M 4.9 earthquake: Indian Ocean (India) — August 31, 1977

M 4.9 earthquake: Indian Ocean (India) — August 31, 1977. Epicenter 253 km S of Port Blair, depth 27 km, 19:53 Local (1977-08-31 14:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (253 km S, India) — 9.451, 93.245

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