Barren Island, India’s only live volcano, active again

Posted on:20 Feb 2017 17:43:49
Barren Island, India’s only live volcano, active again
20 February 2017 Current Affairs: Barren Island, India's only live volcano in the Andaman and Nicobar Islands, recently started spewing smoke and lava again. The announcement was made by researchers at Goa based National Institute of Oceanography (NIO).

The volcano is erupting in small episodes of five to 10 minutes. The researchers observed only ash clouds during the day. However after sundown, red lava foundations spew from the crater into the atmosphere.

Researchers from Council of Scientific & Industrial Research (CSIR) and NIO have sampled sediments and water in the vicinity and recovered coal-like black pyroclastic material representing proximal volcanic ejecta. With the help of these samples, researchers can decipher the nature of present and past volcanic activity in the region.

 Barren Island :  Barren Island is an island located in the Andaman Sea.It is the only confirmed active volcano in South Asia.

It lies about 138 km northeast of the territory's capital, Port Blair.The first eruption of the volcano was recorded in the year 1787.

Since 1787, the volcano has erupted more than ten times. Further eruptions were recorded in 1789, 1795, 1803–1804, 1852. After nearly one and half century of dormancy, the island had another eruption in 1991 that lasted six months and caused major damage.

The volcano again erupted in 1994–1995 and 2005–2007, the latter considered to be linked to the 2004 Indian Ocean earthquake.

 

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