M 4.6 earthquake: Indian Ocean (India) — December 20, 1988

M 4.6 earthquake: Indian Ocean (India) — December 20, 1988. Epicenter 262 km S of Port Blair, depth 96 km, 13:48 Local (1988-12-20 08:18 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (262 km S, India) — 9.406, 93.423

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