M 4.9 earthquake: North Pacific Ocean (USA) — December 9, 1976

M 4.9 earthquake: North Pacific Ocean (USA) — December 9, 1976. Epicenter 451 km W of Coos Bay, depth 15 km, 01:38 Local (1976-12-09 10:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (451 km W, USA) — 44.623, -129.572

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