M 4.7 earthquake: North Pacific Ocean (USA) — October 31, 1979

M 4.7 earthquake: North Pacific Ocean (USA) — October 31, 1979. Epicenter 339 km W of Coos Bay, depth 15 km, 09:43 Local (1979-10-31 18:43 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (339 km W, USA) — 43.975, -128.345

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