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Random pictures
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 | Reports
Barren Island volcano books
Barren Island volcano eruptions:
1787, 1789, 1795, 1803-04, 1852(?), 1991, 1994-95, 2005-2006, 2015, 2016, 2018
Typical eruption style:
Explosive
Last earthquakes nearby
Latest satellite images
Location map of Barren Island.
Location map of Barren Island.

Volcano news & eruption updates: Barren Island

Barren Island volcano (Indian Ocean): eruption continues

Thursday Oct 25, 2018 10:44 AM | BY: T

Sentinel satellite image from 23 Oct showing lava flows on Barren Island
Sentinel satellite image from 23 Oct showing lava flows on Barren Island
Lava flow and lava fountaining on 20 Oct (image: Andaman Aquaholics)
Lava flow and lava fountaining on 20 Oct (image: Andaman Aquaholics)
The mainly effusive eruption of the volcano continues. Recent satellite images show an active field of fresh lava flows towards the northwest form the active cone.
Heavy steaming is occurring from the summit vent and possibly also from the coast where lava is likely entering the Indian Ocean.
Andaman Aquaholics, a small local company that charters boat trips to the island, sent us pictures from last week showing the active lava flow and strombolian activity or fountaining from the summit vent.
Previous news
Hot spots at Barren Island volcano suggesting lava flows from the crater on the northern flank of the cone (image: MODIS / Univ. Hawaii)
Tuesday, Oct 02, 2018
A new eruption seems to be going on at the remote island (the only active volcano of India): since around 25 Sep, a strong thermal signal has been visible on satellite data and suggests lava flows on the north flank of the active cone, probably reaching the NW coast. [more]
Heat signal from Barren Island volcano (MIROVA)
Monday, Feb 20, 2017
A new eruption is occurring at the remote and India's only active volcano. ... [more]
Steam (and ash?) plume from Barren Island on 1 March (red spot is a thermal anomaly detected by the VIIRS radiometer onboard NASA's Suomi NPP)
Thursday, Mar 03, 2016
Weak eruptive activity continues at the summit vent of the remote and rarely directly observed volcano, satellite data indicates. ... [more]
Steam / ash plume and thermal hot spot at Barren Island on 1 Feb 2016 (MODIS / VIIRS Nasa imagery)
Wednesday, Feb 03, 2016
Minor eruptive activity (possibly strombolian) seems to continue on the remote island, at least intermittently. ... [more]
Ash and steam plume from Barren Island on 16 Nov (Landsat 8 image, annotated by Culture Volcan)
Monday, Nov 23, 2015
With all likelihood, the volcano continues to be in eruption. It is very remote and rarely directly observed, but satellite imagery regularly show albeit weak thermal signals - again present more or less continuously since August and more frequent since October this year. ... [more]

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

 

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