M 4.8 earthquake: Indian Ocean (India) — October 13, 1977

M 4.8 earthquake: Indian Ocean (India) — October 13, 1977. Epicenter 274 km SE of Port Blair, depth 33 km, 13:20 Local (1977-10-13 07:50 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (274 km SE, India) — 9.487, 93.912

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