M 4.8 Earthquake: North Pacific Ocean (USA) — October 10, 1977

M 4.8 Earthquake: North Pacific Ocean (USA) — October 10, 1977. Epicenter 306 km W of Coos Bay, depth 15 km, 18:50 Local (1977-10-11 03:50 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (306 km W, USA) — 43.869, -127.948

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