India’s only live volcano in the Andaman and Nicobar islands which had started showing activity in 1991 after being dormant for over 150 years has once again started spewing ash , researchers at the Goa- based national institute of oceanography (NIO) said today . A team scientists led by Abhay Mudholkar , from CSIR-national institute of oceanography (CSIR-NIO) in Goa reported that the volcano is active and spewing smoke and lava once again
“The team moved about one mile from the volcano and began closely observing it . It was erupting in small episodes lasting about five to ten minutes , “Said the release . How ever , after sundown , the team observed red lava fountains spewing from the crater into the atmosphere and hot lava slows streaming down . ” They have sampled the sediments and water in the vicinity of the volcano and recovered coal- like black pyroelastic material representing proximal volcanic ejecta . The Andaman basin is an active back-are spreading basin and is known for its strong seismicity and many submarine volcanos and hydrothermal activity . These volcanoes are formed due to the rising magma formed deep in the mantle due to the melting of the subducted indian ocean crust .
“The only live volcano in Andman and Nicobar islands is erupting once again . The barren island volcano , located 140-km north-east of port blair .