M 4.7 earthquake: Indian Ocean (Indonesia) — August 10, 1983

M 4.7 earthquake: Indian Ocean (Indonesia) — August 10, 1983. Epicenter 272 km SW of Sibolga, depth 22 km, 03:37 Local (1983-08-09 20:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (272 km SW, Indonesia) — -0.008, 97.099

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