M 5.2 earthquake: Indian Ocean (Sri Lanka) — August 21, 1983

M 5.2 earthquake: Indian Ocean (Sri Lanka) — August 21, 1983. Epicenter 811 km SE of Batticaloa, depth 10 km, 18:06 Local (1983-08-21 12:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (811 km SE, Sri Lanka) — 3.229, 87.474

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