Available Weekly Reports
| Tair, Jebel at |

28 November-4 December 2007
Since the beginning of an eruption of Jebel at Tair on 30 September, the MODIS satellite detected thermal anomalies over the island every day through 4 December. According to a news article, an eruption took place on 4 December and lava flows intermittently occurred since 30 September.
Sources:
Hawai'i Institute of Geophysics and Planetology (HIGP) Thermal Alerts Team
,
IRIN News
28 November 2007
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Summary of eruption dates and Volcanic Explosivity Indices (VEI).
| Start Date | Stop Date | Eruption Certainty | VEI | Evidence | Activity Area or Unit |
|---|---|---|---|---|---|
| 2007 Sep 30 | 2008 Jun (?) | Confirmed | 3 | Historical | |
| 1883 | Unknown | Confirmed | 2 | Historical | |
| 1863 | Unknown | Confirmed | 2 | Historical | |
| 1833 Dec 31 ± 365 days | Unknown | Confirmed | 2 | Historical | |
| 1750 ± 50 years | Unknown | Confirmed | 2 | Historical |
The basaltic Jebel at Tair volcano rises from a 1200 m depth in the south-central Red Sea, forming an oval-shaped island about 3 km long. Jebel at Tair (one of many variations of the name, including Djebel Teyr, Jabal al Tayr, and Jibbel Tir ) is the northernmost known Holocene volcano in the Red Sea and lies SW of the Farisan Islands. Youthful basaltic pahoehoe lava flows from the steep-sided central vent, Jebel Duchan, cover most of the island. They drape a circular cliff cut by wave erosion of an older edifice and extend beyond it to form a flat coastal plain. Pyroclastic cones are located along the NW and southern coasts, and fumarolic activity occurs from two uneroded scoria cones at the summit. Radial fissures extend from the summit, some of which were the sources of lava flows. The island is of Holocene age, and explosive eruptions were reported in the 18th and 19th centuries.