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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 (India): ash plume reported, hot spot

Wednesday Aug 19, 2015 16:18 PM | BY: T

MIROVA thermal signals of Barren Island volcano
MIROVA thermal signals of Barren Island volcano
An ash plume was reported this morning, at estimated 5,000 ft (1.5 km) altitude, extending 50 km to the east from the island (VAAC Darwin). This suggests that a new phase of activity is occurring at the volcano.
A moderately strong hot spot also visible on satellite data since mid August.
Previous news
Hot spot at Barren island (MIROVA)
Saturday, Jun 06, 2015
A steam and ash plume at estimated 10,000 ft (3 km) altitude and extending 35 km to the east from the volcano was detected yesterday on MTSAT satellite imagery (VAAC Darwin). ... [more]
Monday, Apr 27, 2015
A pilot reported an ash plume rising to 10,000 ft from the volcano. Likely, eruptive activity which had produced a new lava flow in March is still going on or has resumed. [more]
Sunday, Apr 05, 2015
An eruption occurred in mid to late March with strombolian explosions and the effusion of a lava flow from the central cone. [more]
Hot spot detected at Barren Island via MIROVA
Saturday, Feb 07, 2015
As the Culture Volcan blog pointed out, a weak thermal anomaly was detected on satellite data above the volcano yesterday. The hot spot is weak, but could indicate some sort of activity occurring at the volcano. What could be a plume is visible on other satellite imagery, but for now, there is no confirmation of volcanic activity. [more]
Gas and ash plume from Barren Island today (MODIS/Terra, NASA)
Tuesday, Feb 04, 2014
Intermittent eruptive activity continues on the small remote island next to the Andaman island group. A small steam and ash plume and a thermal hot spot can be seen on today's and yesterday's satellite images. ... [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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