Global Volcanism Program | Ulawun

The launch of a new GVP website is scheduled for Monday, May 20, 2013.

Volcano Information

Eruptive History

Data Criteria

Region Information

Ulawun

More recent eruptive activity has been reported during 2011. Details can be found in the Monthly or Weekly Reports.

Start Date: 2010 May 26 ± 4 days

Stop Date: 2011 Jan 1 (on or after)

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2?

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 2007 Dec 25

Eruption is UNCERTAIN

Volcanic Explosivity Index (VEI): 1?

Eruptive Characteristics:
Central vent eruption
Explosive eruption (?)

Start Date: 2007 May 1

Stop Date: 2007 May 1

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 2006 Mar 1

Stop Date: 2007 Jan 18

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 2005 Mar 27 (?)

Stop Date: 2005 Aug 9 (?)

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 2004 Apr 12

Stop Date: 2004 Apr 14

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 2003 Apr 14 (?)

Stop Date: 2003 Oct 10

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 2002 Aug 22 (?)

Stop Date: 2002 Nov 3

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 2001 Aug 28

Stop Date: 2001 Aug 28

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 2001 Jan 16 (?)

Stop Date: 2001 May 3

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 3

Area of Activity: Summit and NNE flank

Eruptive Characteristics:
    Central vent eruption
    Flank (excentric) vent
    Explosive eruption
    Pyroclastic flow(s)
    Lava flow(s)

Start Date: 2000 Sep 28

Stop Date: 2000 Nov 1

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 4

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Pyroclastic flow(s)
    Damage (land, property, etc.)
    Mudflow(s) (lahars)
    Evacuation

Start Date: 1999 Oct 20

Stop Date: 1999 Oct 20

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 1

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 1994 Apr 19 (?)

Stop Date: 1994 Jun

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 1

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Phreatic explosion(s)

Start Date: 1993 Jan 12

Stop Date: 1993 Jan 31 (?)

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Phreatic explosion(s) (?)
    Lava flow(s) (?)

Start Date: 1989 Jan 1

Stop Date: 1989 Dec (?)

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Phreatic explosion(s)

Start Date: 1985 Nov 17

Stop Date: 1985 Nov 22

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 3

Lava Volume: 2 x 10⁶ m³

Tephra Volume: 7.5 ± 0.3 x 10⁶ m³

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Pyroclastic flow(s)
    Lava flow(s)

Start Date: 1984 Dec 30

Stop Date: 1985 Jan 27

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 1

Lava Volume: 10⁵ m³

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Lava flow(s)
    Lava dome extrusion

Start Date: 1984 Aug 23

Stop Date: 1984 Sep 11

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 1

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Phreatic explosion(s)

Start Date: 1983 Nov 6

Stop Date: 1984 Mar 13

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 1

Eruptive Characteristics:
Central vent eruption
Phreatic explosion(s)

Start Date: 1980 Oct 6

Stop Date: 1980 Oct 7

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 3

Tephra Volume: 3.5 ± 0.5 x 10⁷ m³

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Pyroclastic flow(s)
    Damage (land, property, etc.)
    Evacuation

Start Date: 1978 May 7

Stop Date: 1978 May 14

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 3

Lava Volume: 8.1 ± 0.9 x 10⁶ m³

Tephra Volume: 3.4 x 10⁷ m³

Area of Activity: Summit, lower east flank

Eruptive Characteristics:
    Central vent eruption
    Radial fissure eruption
    Explosive eruption
    Pyroclastic flow(s)
    Lava flow(s)
    Damage (land, property, etc.)
    Evacuation
    Debris avalanche(s)

Start Date: 1973 Oct 4

Stop Date: 1973 Oct 19

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Lava Volume: 1 x 10⁷ m³

Tephra Volume: > 4 ± 1.0 x 10⁶ m³

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Pyroclastic flow(s)
    Lava flow(s)

Start Date: 1970 Jan 15

Stop Date: 1970 Feb 11

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 3

Lava Volume: 8 x 10⁶ m³

Tephra Volume: > 5 x 10⁶ m³

Eruptive Characteristics:
    Central vent eruption
    Radial fissure eruption
    Explosive eruption
    Pyroclastic flow(s)
    Lava flow(s)

Start Date: 1967 Jan 22

Stop Date: 1967 Dec 28

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Damage (land, property, etc.)

Start Date: 1963 Mar 17

Stop Date: 1963 May 2 (?)

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 1960 Jul 29 ± 3 days

Stop Date: 1962 Nov

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 1958 Feb 1 ± 60 days

Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 1951

Eruption is UNCERTAIN

Eruptive Characteristics:
Explosive eruption (?)

Start Date: 1941 Jan 26

Stop Date: 1941 Jan 26

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 1937 May

Eruption is UNCERTAIN

Eruptive Characteristics:
Explosive eruption (?)

Start Date: 1927 Jul

Stop Date: 1927 Sep 17 (on or after)

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 1919 May 28 (?)

Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 1918 Jul 21 (?)

Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 1915 Apr

Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 3

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Damage (land, property, etc.)

Start Date: 1912

Eruption DISCREDITED

Area of Activity: (no confirmed eruption in 1912)

Start Date: 1898

Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 3

Eruptive Characteristics:
    Central vent eruption
    Explosive eruption
    Pyroclastic flow(s)

Start Date: 1878

Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Start Date: 1700 Mar 11

Stop Date: Unknown

Dating Technique: Historical Records

Volcanic Explosivity Index (VEI): 2

Eruptive Characteristics:
Central vent eruption
Explosive eruption

Global Volcanism Program — Department of Mineral Sciences — National Museum of Natural History — Smithsonian Institution

Ulawun » Eruptive History

Volcano Information

Eruptive History

Data Criteria

Region Information

Ulawun

Volcanoes of the World

Find a Volcano by Region

Find a Volcano by Name

Find a Volcano by Eruption Date

Global Volcano Lists

Large Holocene Eruptions

Types and Processes Gallery

About Volcanoes of the World

Volcanic Activity Reports

Bulletin of the Global Volcanism Network

Smithsonian / USGS Weekly Volcanic Activity Report

About Volcanic Activity Reports

Educational Resources

Frequently Asked Questions

Video Gallery

Photo Galleries

Media Coverage

Volcanology Links

Information

Products

Staff and Volunteers

Search Options

About the Global Volcanism Program

About Volcanoes of the World

About Volcanic Activity Reports

About Google Earth Placemarks