One of the most flawless diamonds of Andaman, the 354-meter high Barren Island is the main dynamic fountain of liquid magma in India, having a volcanic crater that is around 2 kilometers wide. Along a chain of volcanoes from Sumatra to Myanmar, Barren Island is the sole active volcano. The island had encountered a mammoth blast in 1991 that obliterated the fauna of the island as well, decreasing the number of bird species and populace.