← Back to the map

India's southernmost land — the tip of an island arc rising from a great subduction zone.

Great Nicobar is part of the outer-arc ridge thrown up where the Indian plate dives beneath the Burma–Sunda plate. The islands are built of uplifted deep-sea sediments, and the same subduction drives the earthquakes and tsunamis of this seismically fierce belt.

Indira Point, at its southern tip, is the southernmost point of India. The island’s rainforests and coasts form a biosphere reserve and shelter the Nicobar megapode and leatherback turtles.

Sources

• Geological Survey of India
• UNESCO Man and the Biosphere Programme

A short reference note: this summary draws on third-party sources such as the Geological Survey of India and Wikipedia. In time I plan to give every geological feature its own learning-oriented write-up — with custom diagrams, graphs, and study pointers — as I’ve already done for the 11 locations that have an Instagram reel.