Barren island located in Bay of Bengal is the most easterly island of Andaman. It is the only active volcano in South Asia. The island is located 135 km northeast of the capital of Andaman, Port Blair.
The first recorded eruption of the volcano dates back to 1787. Since then the volcano has erupted more than 10 times, the most recent of which was in September 2010 that continued through January 2011 spewing lava and ash. Approximately 150 km northeast of Barren Island is Narcondum.