M 4.7 earthquake: North Pacific Ocean (USA) — October 1, 1977

M 4.7 earthquake: North Pacific Ocean (USA) — October 1, 1977. Epicenter 419 km W of Coos Bay, depth 15 km, 09:33 Local (1977-10-01 18:33 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (419 km W, USA) — 44.378, -129.259

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