M 4.5 earthquake: North Pacific Ocean (USA) — December 5, 1983

M 4.5 earthquake: North Pacific Ocean (USA) — December 5, 1983. Epicenter 339 km W of Coos Bay, depth 10 km, 11:14 Local (1983-12-05 20:14 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (339 km W, USA) — 44.262, -128.262

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