M 4.7 earthquake: North Pacific Ocean (USA) — December 23, 1980

M 4.7 earthquake: North Pacific Ocean (USA) — December 23, 1980. Epicenter 440 km W of Coos Bay, depth 15 km, 14:51 Local (1980-12-23 23:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (440 km W, USA) — 44.369, -129.529

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