Global Volcanism Program

27 June-3 July 2012

Based on analyses of satellite imagery, the Darwin VAAC reported that during 28-29 June ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 75 km NE and E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

Available Weekly Reports

27 June 2012 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 28-29 June ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 75 km NE and E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

13 June 2012 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 18 June an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 110 km W. An ash plume rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted almost 85 km W on 19 June.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

23 May 2012 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 25 May an ash plume from Dukono rose to an altitude of 4.5 km (14,000 ft) a.s.l. and drifted 185 km E. Ash plumes again rose to an altitude of 4.5 km (14,000 ft) a.s.l. drifting 130 km E on 27 May and 93 km NE on 28 May. An ash plume rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 75 km NE during 28-29 May.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

16 May 2012 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 18 May an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 55 km E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

2 May 2012 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 8-9 May ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 75 km SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

1 February 2012 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 1-4 February ash plumes from Dukono rose to an altitude of 2.7 km (9,000 ft) a.s.l. The plumes drifted 220 km SW on 1 February and 45 km SW and S during 2-4 February.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

25 January 2012 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 30-31 January ash plumes from Dukono rose to an altitude of 2.7 km (9,000 ft) a.s.l. and drifted 220 km SW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

14 December 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 13-15 December ash plumes from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l and drifted 55-75 km SW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

7 December 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 13 December an ash plume from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted 74 km SW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

30 November 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 29 November ash plumes from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted 65 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

23 November 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 27-28 November ash plumes from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted 65-110 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

2 November 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 3 November an ash plume from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted 75 km NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

26 October 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 27 October-1 November ash plumes from Dukono rose to altitudes of 2.1-2.7 km (7,000-9,000 ft) a.s.l. and drifted 35-110 km W, NW, and NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

19 October 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 22 October ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 110-185 km W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

5 October 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 5-6 and 8-9 October ash plumes from Dukono rose to altitudes of 2.1-2.4 km (7,000-8,000 ft) a.s.l. and drifted 75-83 km NE and SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

21 September 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 27 September ash plumes from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted 75 km NW and NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

7 September 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 13 September an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 75 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

17 August 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 18-21 August ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 110-150 km NE and N.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

10 August 2011 Back to Top

According to a news article, activity at Dukono had continued to increase. On 11 August ash explosions were audible within a radius of about 7 km from the base of the volcano. Ash was ejected as high as 1 km above the crater, producing plumes that drifted E and S, and also approached Tobelo City (14 km ENE). Seismographs at the Dukono observation post recorded more than 100 eruption earthquakes. Based on analyses of satellite imagery, the Darwin VAAC reported that on 11 and 14 August ash plumes rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 93 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC) , Metro TV News

6 July 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 6-7 July ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 55 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

29 June 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 1 July an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 110 km E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

1 June 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 1 June an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 110 km NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

18 May 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 19 May an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 110 km NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

11 May 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 11-12 May ash plumes from Dukono rose to an altitude of 4.3 km (14,000 ft) a.s.l. and drifted 75-110 km NE and E. On 16 May an ash plume rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted over 90 km E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

4 May 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 10 May ash plumes from Dukono rose to an altitude of 4.3 km (14,000 ft) a.s.l. and drifted 90-110 km NE and E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

27 April 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 28 April-2 May ash plumes from Dukono rose to an altitude of 4.3 km (14,000 ft) a.s.l. and drifted 55-150 km NW, W, and SW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

20 April 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 21-22 April ash plumes from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted less than 85 km NE and E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

30 March 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 4 April an ash plume from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 185 km E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

16 March 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 18-19 March ash plumes from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted 37-75 km NW, N, and NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

9 March 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 11-12 March ash plumes from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted 110-165 km SW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

16 February 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 16-17 February an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 150-185 km SW and W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

9 February 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 11 February an ash plume from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 75 km N.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

5 January 2011 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 5-7 January ash plumes from Dukono rose to altitudes of 2.4-3.7 km (8,000-12,000 ft) a.s.l. and drifted 65-130 km W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

15 December 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 21 December an ash plume from Dukono rose to an altitude of 2.7 km (9,000 ft) a.s.l. and drifted 55 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

1 December 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 3-5 December ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 55-110 km W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

24 November 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 23-27 November ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 75-130 km W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

17 November 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 23 November an ash plume from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 130 km W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

27 October 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 1-2 November ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 45-75 km NW and SW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

6 October 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 6-7 October ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 75-110 km W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

29 September 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 1-4 October ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 55-205 km W and NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

22 September 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 21-25 September ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 35-95 km W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

15 September 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 15-18 and 20 September ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. The plumes drifted 90-260 km NW and W during 17-18 and 20-21 September.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

8 September 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 8-11 and 14 September ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 35-95 km SW, W, and NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

1 September 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 1-2 and 6-7 September ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted almost 95 km W and NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

25 August 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 25-29 August ash plumes from Dukono rose to altitudes of 2.1-3 km (7,000-10,000 ft) a.s.l. and drifted 35-110 km W and NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

18 August 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 18-22 August ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 65-225 km W and NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

11 August 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 12-17 August ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 25-95 km W, NW, and SW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

28 July 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 31 July an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted over 90 km W. A diffuse ash plume drifted 130 km NNE on 3 August at the same altitude.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

21 July 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 24 July an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted over 110 km W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

7 July 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 7 and 9-10 July ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 35-75 km NW and N.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

30 June 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 30 June-2 July and on 6 July ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 90-225 km W and NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

23 June 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 23-24 and 29 June ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 120-225 km W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

16 June 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 18-20 June ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 120 km W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

9 June 2010 Back to Top

The Darwin VAAC reported that during 9-10 June an ash plume from Dukono was seen in satellite imagery drifting 130 km W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

2 June 2010 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 2 June an ash plume from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 110 km NW. On 7 June a diffuse ash plume was seen drifting 110 km W at an altitude of 3 km (10,000 ft) a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

12 May 2010 Back to Top

The Darwin VAAC reported that on 16 and 18 May ash plumes from Dukono were seen in satellite imagery drifting about 165 km W and NW, respectively, at an altitude of 3 km (10,000 ft) a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

5 May 2010 Back to Top

The Darwin VAAC reported that during 4 and 8-10 May ash plumes from Dukono were seen in satellite imagery drifting 25-100 km NW, NE, and SE at an altitude of 3 km (10,000 ft) a.s.l. On 6 May a pilot reported that a significant plume rose to an altitude of 4.6 km (15,000 ft) a.s.l. and drifted NW, but there was no confirmation of the plume in satellite imagery.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

28 April 2010 Back to Top

The Darwin VAAC reported that on 3 May an ash plume from Dukono was seen on satellite imagery drifting about 90 km W at an altitude of 3 km (10,000 ft) a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

21 April 2010 Back to Top

The Darwin VAAC reported that on 27 April an ash plume from Dukono was seen on satellite imagery drifting 45 km NW at an altitude of 3 km (10,000 ft) a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

7 April 2010 Back to Top

The Darwin VAAC reported that on 9 April an ash plume from Dukono was seen on satellite imagery drifting over 220 km NE at an altitude of 3.7 km (12,000 ft) a.s.l. During 10-12 April ash plumes rose to altitudes of 1.5-2.1 km (5,000-7,000 ft) a.s.l. and drifted 20-75 km NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

31 March 2010 Back to Top

The Darwin VAAC reported that on 2 April an ash plume from Dukono was seen on satellite imagery drifting 55 km S at an altitude of 2.4 km (8,000 ft) a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

17 March 2010 Back to Top

The Darwin VAAC reported that on 22 March an ash plume from Dukono was seen on satellite imagery drifting 45 km SE at an altitude of 2.4 km (8,000 ft) a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

10 March 2010 Back to Top

The Darwin VAAC reported that on 13 March an ash plume from Dukono was seen on satellite imagery drifting 75 km E at an altitude of 2.7 km (9,000 ft) a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

10 February 2010 Back to Top

The Darwin VAAC reported that on 10 February a plume from Dukono was seen on satellite imagery drifting 150 km SW at an altitude of 2.4 km (8,000 ft) a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

3 February 2010 Back to Top

The Darwin VAAC reported that during 5-6 February ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 55-150 km SW and W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

9 December 2009 Back to Top

The Darwin VAAC reported that during 9-11 December ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 90-130 km E and SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

2 December 2009 Back to Top

The Darwin VAAC reported that during 5-6 December ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 55-85 km NE and SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

25 November 2009 Back to Top

The Darwin VAAC reported that on 30 November an ash plume from Dukono at an altitude of 3 km (10,000 ft) a.s.l. was observed on satellite imagery 75 km E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

4 November 2009 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 8 November an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 35 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

28 October 2009 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 31 October an ash plume from Dukono rose to an altitude of 1.5 km (5,000 ft) a.s.l. and drifted 35-110 km NE and N.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

21 October 2009 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 22-23 and 26-27 October ash plumes from Dukono rose to altitudes of 2.1-2.4 km (7,000-8,000 ft) a.s.l. and drifted 45-95 km NE and E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

14 October 2009 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 15 October an ash plume from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 45 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

7 October 2009 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 7 October an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 74 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

30 September 2009 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 2 October an ash plume from Dukono rose to an altitude of 2.7 km (9,000 ft) a.s.l. and drifted 75 km NE. On 6 October, an ash plume rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 55 km NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

23 September 2009 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 24 September an ash plume from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 65 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

16 September 2009 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 17-20 September ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 25-75 km NE and ESE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

9 September 2009 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 12 and 14 September ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 25-75 km W and SW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

2 September 2009 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 7-8 September ash plumes from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted 35-75 km E and SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

26 August 2009 Back to Top

Based on analyses of satellite imagery and pilot observations, the Darwin VAAC reported that during 26 August-1 September ash plumes from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted 20-65 km NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

12 August 2009 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that on 15 August an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted more than 90 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

5 August 2009 Back to Top

Based on analyses of satellite imagery, the Darwin VAAC reported that during 6-7 and 10 August ash plumes from Dukono rose to altitudes of 2.4-3 km (8,000-10,000 ft) a.s.l. and drifted 45-130 km NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

8 July 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 8 July ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 85 km NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

1 July 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 5 and 7 July ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 65 km E and 85 km NE, respectively.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

24 June 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 28 June an ash plume from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted 75 km N.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

10 June 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 16 June an ash plume from Dukono rose to an altitude of 1.5 km (5,000 ft) a.s.l. and drifted 40 km NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

3 June 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that during 6-8 June ash plumes from Dukono drifted 20-75 km NW and NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

27 May 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that during 27-28 May ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 55-110 km NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

20 May 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 26 May an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 90 km N.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

13 May 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 14 May an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 110 km N.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

6 May 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that during 5-7 May ash plumes from Dukono rose to altitudes of 3-3.7 km (10,000-12,000 ft) a.s.l. and drifted 20-110 km SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

29 April 2009 Back to Top

Based on analysis of satellite imagery and pilot observations, the Darwin VAAC reported that during 29 April-4 May ash plumes from Dukono rose to an altitude of 3.7-4.5 km (12,000-14,000 ft) a.s.l. and drifted 45-165 km E and NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

22 April 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 28 April an ash plume from Dukono rose to an altitude of 4.5 km (14,000 ft) a.s.l. and drifted 150 km E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

8 April 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 12 April an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 55 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

11 February 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that an ash plume from Dukono drifted SE at an altitude of 3 km (10,000 ft) a.s.l. on 11 February.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

4 February 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that during 9-10 February ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted E and SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

14 January 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 18 January ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted NE and N.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

7 January 2009 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 7 January ash plumes from Dukono rose to an altitude of 1.8 km (6,000 ft) a.s.l. and drifted E and SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

31 December 2008 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 6 January an ash plume from Dukono rose to an altitude of 1.8 km (6,000 ft) a.s.l. and drifted E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

10 December 2008 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 15 December an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted about 160 km SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

19 November 2008 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 20 November an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted 110 km NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

5 November 2008 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that during 6-7 November ash plumes from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted WNW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

8 October 2008 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 11 October an ash plume from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted about 110 km WNW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

24 September 2008 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 24 September a low-level ash plume from Dukono rose to an altitude of 1.8 km (6,000 ft) a.s.l. and drifted NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

17 September 2008 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 23 September a low-level ash plume from Dukono rose to an altitude of 1.8 km (6,000 ft) a.s.l. and drifted NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

10 September 2008 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 11 September a low-level ash plume from Dukono drifted SW. The next day, a plume rose to an altitude of 1.5 km (5,000 ft) a.s.l. and drifted NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

27 August 2008 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 2 September a low-level ash plume from Dukono drifted WNW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

20 August 2008 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 24 August an ash plume from Dukono rose to an altitude of 2.7 km (9,000 ft) a.s.l. and drifted NW. On 26 August, ash plumes rose to an altitude of 1.5 km (5,000 ft) a.s.l. and drifted W and WNW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

13 August 2008 Back to Top

Based on analysis of satellite imagery, the Darwin VAAC reported that on 19 August an ash plume from Dukono rose to an altitude of 2.4 km (8,000 ft) a.s.l. and drifted W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

23 July 2008 Back to Top

Based on observations of satellite imagery, the Darwin VAAC reported that during 25-27 July ash plumes from Dukono rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted W.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

18 June 2008 Back to Top

On 19 June, CVGHM reported that during 30 May-12 June, seismicity from Dukono decreased and white plumes at altitudes of 1.4-1.8 km (4,600-5,900 ft) a.s.l. were spotted when clouds did not inhibit observations The Alert Level was decreased to 2 (on a scale of 1-4) on 13 June. Residents and visitors were not permitted within 2 km of the summit.

Sources: Center of Volcanology and Geological Hazard Mitigation (CVGHM)

28 May 2008 Back to Top

CVGHM reported incandescence at Dukono's summit during 31 March-24 April. On 25 April, incandescent material was ejected 25 m above the summit. During 30 April-2 May seismicty increased. On 25 May, an ash plume rose to an altitude of 1.4-2.1 km (4,600-6,900 ft) a.s.l. and was accompanied by thunderous and booming sounds. On 29 May, an ash plume rose to an altitude of 2.3 km (7,500 ft) a.s.l. and again was accompanied by thunderous and booming sounds. The Alert Level was raised to 3 (on a scale of 1-4). Residents and visitors were not permitted within 3 km of the summit.

Sources: Center of Volcanology and Geological Hazard Mitigation (CVGHM)

20 June 2007 Back to Top

Based on visual observations, CVGHM reported that during 18-25 June ash plumes from Dukono rose to an altitude of 1.4 km (4,600 ft) a.s.l. The Alert Level remained at 2 (on a scale of 1-4).

Sources: Center of Volcanology and Geological Hazard Mitigation (CVGHM)

10 January 2007 Back to Top

The Darwin VAAC reported that a diffuse plume from Dukono was visible on satellite imagery on 16 January and drifted SSE

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

20 December 2006 Back to Top

The Darwin VAAC reported that a diffuse ash plume from Dukono was visible on satellite imagery on 22 December drifting SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

29 November 2006 Back to Top

According to the Darwin VAAC, a diffuse ash plume from Dukono that was visible on satellite imagery on 5 December rose to an altitude of 3 km (10,000 ft) a.s.l. and drifted ENE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

23 August 2006 Back to Top

According to the Darwin VAAC, a diffuse ash plume from Dukono was visible on satellite imagery extending NNE on 23 August.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

11 January 2006 Back to Top

Ash from Dukono was visible on satellite imagery on 12 January at a height of ~3 km (10,000 ft) a.s.l., extending SW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

26 October 2005 Back to Top

An ash plume from Dukono was visible on satellite imagery on 27 October, extending NNW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

19 October 2005 Back to Top

A thin low-level plume from Dukono was visible on satellite imagery on 19 October. The plume extended to the ENE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

12 October 2005 Back to Top

Explosions and pyroclastic ejections continued at Dukono during 10-16 October. Ash columns rose 100-950 m above the summit (or 4,200-7,000 ft a.s.l.) and mainly drifted SE. Seismicity was dominated by explosion earthquakes. Dukono remained at Alert Level 2.

Sources: Center of Volcanology and Geological Hazard Mitigation (CVGHM)

5 October 2005 Back to Top

Explosive activity continued at Dukono during 26 September to 9 October. Ash rose 100-950 m above the summit (or 4,200-7,000 ft a.s.l.) and mostly drifted ENE. Seismicity was dominated by explosion earthquakes. The Alert Level remained at 2 (on a scale of 1-4).

Sources: Center of Volcanology and Geological Hazard Mitigation (CVGHM)

28 September 2005 Back to Top

A thin low-level plume from Dukono was visible on satellite imagery on 28 September extending NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

31 August 2005 Back to Top

A plume from Dukono was observed on satellite imagery on 2 September at a height of ~3 km (10,000 ft) a.s.l. extending NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

15 June 2005 Back to Top

During 20-21 June, ash from Dukono was visible on satellite imagery drifting NW. The height of the ash was not reported.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

1 June 2005 Back to Top

Ash plumes from Dukono were visible on satellite imagery on 1 and 4 June. The plumes reached unknown heights.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

25 May 2005 Back to Top

During 29-31 May, small low-level ash plumes from Dukono were visible on satellite imagery. The plume heights were not known.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

18 May 2005 Back to Top

Satellite data showed thin ash plumes from Dukono on 21 May. The height of the plumes was not reported.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

2 February 2005 Back to Top

DVGHM reported that ash explosions at Dukono during 24-30 January produced ash plumes that rose 200-600 m above the summit. Dukono was at Alert Level 2 (on a scale of 1-4).

Sources: Center of Volcanology and Geological Hazard Mitigation (CVGHM)

22 September 2004 Back to Top

On 26 September, satellite imagery showed a plume erupted from Dukono extending WNW at a height of ~3 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

25 August 2004 Back to Top

On 1 September, a thin ash plume emitted from Dukono was visible on satellite imagery at a height of ~3 km a.s.l. drifting NW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

9 June 2004 Back to Top

During 9-15 June, Dukono occasionally emitted low-level plumes that were visible on satellite imagery.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

2 June 2004 Back to Top

On 7 June a thin ash plume from Dukono was visible in satellite imagery extending ~75 km ESE at ~3 km a.s.l.. On 8 June another thin ash plume was observed in satellite imagery extending ~65 km ESE at an altitude of ~2 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

26 May 2004 Back to Top

During 26-31 May, Dukono occasionally emitted plumes that were visible on satellite imagery at a height of ~3 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

19 May 2004 Back to Top

During 19-25 May, Dukono occasionally emitted ash plumes that were visible on satellite imagery. Plumes rose to heights of ~3 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

5 May 2004 Back to Top

During 5-11 May, Dukono occasionally emitted ash plumes that were visible on satellite imagery. Plumes rose to heights of ~3 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

28 April 2004 Back to Top

During 28 April to 4 May, Dukono occasionally emitted ash plumes that were visible on satellite imagery. Plumes rose to heights of ~3 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

21 April 2004 Back to Top

During 21-27 April, Dukono occasionally emitted ash plumes that were visible on satellite imagery. Plumes rose to heights of ~3 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

14 April 2004 Back to Top

During 14-20 April, Dukono occasionally emitted ash plumes that were visible on satellite imagery. Plumes rose to heights of ~3 km a.s.l. and stretched up to ~75 km in various directions.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

7 April 2004 Back to Top

During 7-13 April, ash clouds emitted from Dukono were occasionally visible on satellite imagery around a height of 3 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

31 March 2004 Back to Top

During 31 March to 6 April, ash clouds emitted from Dukono were sometimes visible on satellite imagery at a height of ~3 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

24 March 2004 Back to Top

According to the Darwin VAAC, during 24-28 March ash plumes were visible on satellite imagery reaching a height of ~3 km a.s.l. On 24 March one of these plumes extended ~185 km E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

17 March 2004 Back to Top

According to the Darwin VAAC, during 17-23 March ash plumes were sometimes visible on satellite imagery reaching a maximum height of ~3 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

10 March 2004 Back to Top

According to the Darwin VAAC, an ash plume from Dukono was visible on satellite imagery on 14 March at a height of ~4.6 km a.s.l. extending SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

25 February 2004 Back to Top

During 25-27 February, the Darwin VAAC reported thin ash plumes from Dukono that were visible on satellite imagery extending a maximum distance of 160 km towards the E at a height of ~3 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

18 February 2004 Back to Top

The Darwin VAAC reported that during 20-22 February thin ash plumes from Dukono were visible on satellite imagery, extending predominately E to a maximum distance of 90 km.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

7 January 2004 Back to Top

During 7-13 January, low-intensity eruptions at Dukono continued to produce plumes to low levels that extended to ~120 km SSW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

31 December 2003 Back to Top

During 31 December to 6 January, low-intensity eruptions at Dukono continued to produce plumes to low levels that extended to ~185 km SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

24 December 2003 Back to Top

During 24-30 December, thin ash plumes emitted from Dukono were sometimes visible on satellite imagery extending ~90 km E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

17 December 2003 Back to Top

A thin plume emitted from Dukono on 17 December was visible on satellite imagery extending ~90 km E.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

10 December 2003 Back to Top

During 10-16 December, thin ash plumes from Dukono were sometimes visible on satellite imagery extending to a maximum distance of ~90 km E and NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

3 December 2003 Back to Top

Satellite imagery on 8 December showed ash plumes from Dukono at ~3 km a.s.l. extending from 90-190 km WSW.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

26 November 2003 Back to Top

During 26 November to 2 December, steam-and-ash plumes from Dukono were visible on satellite imagery. Plumes did not rise above 3 km and extended a maximum distance of ~65 km SE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

19 November 2003 Back to Top

Satellite imagery showed ash plumes emitted from Dukono on 19 November at 1403, 20 November at 0713, and 21 November at 1428, extending ~185 km NE, ~170 km NE, and ~150 km ESE, respectively. A possible ash plume was observed on 22 November at 1349. All plumes were below ~3 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

12 November 2003 Back to Top

During 12-18 November, ash plumes continued to be emitted from Dukono. Plumes rose to ~3 km a.s.l. and extended a maximum distance of ~300 km to the NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

5 November 2003 Back to Top

During this week repeated aviation messages mentioned Dukono ash plumes of variable density. Some of these messages are summarized as follows.

A 5 November aviation message (Volcanic Ash Advisory) noted a faint ash plume to ~2.4 km a.s.l. and extending 220 km NE of the summit based on satellite imagery (GOES 9, 5 November, 0413 UTC). Another 5 November satellite image (visual data from NOAA-15) analyzed by the U.S. Air Force reported a "very pronounced ash plume" at 2137 UTC.

A 7 November Air Force message described a faint plume stemming from ash and steam eruptions to ~3 km a.s.l. The plume remained visible for ~60 km toward the E where it blew into thicker cirrus clouds thwarting detection.

An 11 November Air Force message described ash and steam to ~3 km a.s.l. moving ESE at 18-28 km/hour. At 0521 UTC the plume extended 120 km ESE of the summit. This observation was based on GOES-9 imagery. Similar reports noted shorter plumes later that day.

Sources: US Air Force Weather Agency

29 October 2003 Back to Top

According to DVGHM, ash explosions at Dukono during October produced low-level plumes. Ash fell around the Tobelo area ~15 km E of the volcano. Dukono was at Alert Level 2 (on a scale of 1-4).

Sources: Center of Volcanology and Geological Hazard Mitigation (CVGHM) , Darwin Volcanic Ash Advisory Centre (VAAC)

22 October 2003 Back to Top

Satellite imagery showed an ash plume emitted from Dukono that rose to ~3 km a.s.l. and extended ~230 km NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

15 October 2003 Back to Top

Satellite imagery showed an ash plume emitted from Dukono on 15 October at 1228. The plume rose to ~3 km a.s.l. and extended ~75 km NNE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

8 October 2003 Back to Top

On 10 October an ash plume emitted from Dukono was visible on satellite imagery rising to ~3 km a.s.l., and extending a maximum distance of ~90 km ENE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

1 October 2003 Back to Top

During 1-7 October, ash plumes emitted from Dukono were sometimes visible on satellite imagery rising to ~3 km a.s.l. and extending to a maximum distance of ~130 km from the summit.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

24 September 2003 Back to Top

During 24-26 September, faint ash plumes from Dukono were visible on satellite imagery rising to ~3 km a.s.l. and extending to a maximum distance of 80 km.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

10 September 2003 Back to Top

Ash plumes from Dukono were visible on satellite imagery on 11 and 16 September, extending NE of the summit ~40 and 80 km, respectively.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

27 August 2003 Back to Top

On 28 August an ash plume from Dukono was visible on satellite imagery at a height of ~4.3 km a.s.l. extending ~90 km N of the summit.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

20 August 2003 Back to Top

On 26 August an ash plume from Dukono was visible on satellite imagery at a height of ~3 km a.s.l. extending ~55 km E of the summit.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

13 August 2003 Back to Top

Plumes from ash emissions at Dukono were visible on satellite imagery on 16 and 18 August, rising ~3 km a.s.l. and extending ~55 km NW of the volcano on the 16th, and rising ~4.3 km a.s.l and extending ~130 km a.s.l. W on the 18th.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

6 August 2003 Back to Top

A faint ash plume emitted from Dukono was visible on satellite imagery on 9 August at an altitude of ~3 km a.s.l. extending ~65 km NE of the summit. The plume was ~75 km NW of the summit later in the day.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

30 July 2003 Back to Top

During 9-14 July, ash explosions at Dukono produced ash plumes to heights of 800-900 m above the volcano. Ash fell around the towns of Mamuya and Galela. During 15-23 July ash plumes rose to low levels, with a plume reaching ~1 km above the volcano on 22 July. According to the Darwin VAAC, ash was visible on satellite imagery on 31 July and 2 and 3 August, with the highest cloud reaching ~2 km above the volcano.

Sources: Center of Volcanology and Geological Hazard Mitigation (CVGHM) , Darwin Volcanic Ash Advisory Centre (VAAC)

16 July 2003 Back to Top

Satellite imagery on 21 July at 0724 showed an ash plume from Dukono that rose to a height of ~3 km a.s.l. and extended ~45 km NNE of the summit.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

18 June 2003 Back to Top

Ash emissions continued at Dukono during 18-24 June. On 21 June an ash plume was visible on satellite imagery at a height of about 3 km a.s.l. drifting NE.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC) , News.com.au - News Limited

11 June 2003 Back to Top

Ash continued to be emitted from Dukono during 11-17 June, with plumes rising to a maximum height of ~4.5 km a.s.l.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

4 June 2003 Back to Top

The Darwin VAAC reported that an ash plume from Dukono was visible on satellite imagery beginning on 8 June at 1625. The ash plume was at a height of ~4.5 km a.s.l. and drifted NE. As of 10 June a plume was visible extending ~75 km towards the N.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC)

Summary of eruption dates and Volcanic Explosivity Indices (VEI).

Start Date	Stop Date	Eruption Certainty	VEI	Evidence	Activity Area or Unit
1933 Aug 13	2011 (continuing)	Confirmed	2	Historical	Malupang Magiwe and Malupang Warirang
1901	Unknown	Confirmed	2	Historical
1868 (?)	Unknown	Confirmed	2	Historical
1719 ± 150 years	Unknown	Confirmed		Historical	East flank of Tolo
1550 Nov 20 ± 20 days	Unknown	Confirmed	3	Historical

Reports from this remote volcano in northernmost Halmahera are rare, but Dukono has been one of Indonesia's most active volcanoes. More-or-less continuous explosive eruptions, sometimes accompanied by lava flows, occurred from 1933 until at least the mid-1990s, when routine observations were curtailed. During a major eruption in 1550, a lava flow filled in the strait between Halmahera and the north-flank cone of Gunung Mamuya. Dukono is a complex volcano presenting a broad, low profile with multiple summit peaks and overlapping craters. Malupang Wariang, 1 km SW of Dukono's summit crater complex, contains a 700 x 570 m crater that has also been active during historical time.