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Barren Island (India): steam/ash plume and thermal anomaly

Wed, 3 Feb 2016, 10:10
10:10 AM | BY: T
Steam / ash plume and thermal hot spot at Barren Island on 1 Feb 2016 (MODIS / VIIRS Nasa imagery)
Steam / ash plume and thermal hot spot at Barren Island on 1 Feb 2016 (MODIS / VIIRS Nasa imagery)
Minor eruptive activity (possibly strombolian) seems to continue on the remote island, at least intermittently.
Yesterday and the day before, a weak steam and possibly ash plume was visible on satellite imagery as well as a thermal hot spot.

Previous news

Wed, 27 Jan 2016, 06:00

Barren Island volcano (Andaman Islands, India) - Smithsonian / USGS Weekly Volcanic Activity Report for 27 January-2 February 2016 (Continuing Activity)

Based on analysis of satellite imagery and wind data, the Darwin VAAC reported that during 31 January-2 February ash plumes from Barren Island rose to an altitude of 1.5 km (5,000 ft) a.s.l. and drifted as far as 165 km SW. ... Read all
Wed, 30 Dec 2015, 06:00

Barren Island volcano (Andaman Islands, India) - Smithsonian / USGS Weekly Volcanic Activity Report for 30 December-5 January 2016 (Continuing Activity)

Based on analysis of satellite imagery and wind data, the Darwin VAAC reported that during 3-4 January an ash plume from Barren Island rose to an altitude of 1.5 km (5,000 ft) a.s.l. and drifted almost 85 km SW. ... Read all
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Background:

Barren Island, a possession of India in the Andaman Sea about 135 km NE of Port Blair in the Andaman Islands, is the only historically active volcano along the N-S-trending volcanic arc extending between Sumatra and Burma (Myanmar).  The 354-m-high island is the emergent summit of a volcano that rises from a depth of about 2250 m.  The small, uninhabited 3-km-wide island contains a roughly 2-km-wide caldera with walls 250-350 m high.  The caldera, which is open to the sea on the west, was created during a major explosive eruption in the late Pleistocene that produced pyroclastic-flow and -surge deposits.  The morphology of a fresh pyroclastic cone that was constructed in the center of the caldera has varied during the course of historical eruptions.  Lava flows fill much of the caldera floor and have reached the sea along the western coast during eruptions in the 19th century and more recently in 1991 and 1995.
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Source: GVP, Smithsonian Institution

Barren Island volcano
Stratovolcano 354 m / 1,161 ft.
Indian Ocean, 12.28°N / 93.86°E
Current status: minor activity or eruption warning (3 out of 5)
Barren Island webcams / live data | News/Updates | Earthquakes | Books
Barren Island volcano eruptions:
1787, 1789, 1795, 1803-04, 1852(?), 1991, 1994-95, 2005-2006, 2015, 2016, 2018, 2019
Typical eruption style
Explosive
Location map of Barren Island.
Location map of Barren Island.
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