M 4.9 earthquake: Indian Ocean (Indonesia) — December 22, 1979

M 4.9 earthquake: Indian Ocean (Indonesia) — December 22, 1979. Epicenter 251 km W of Sibolga, depth 53 km, 04:01 Local (1979-12-21 21:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (251 km W, Indonesia) — 2.218, 96.594

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