M 4.5 earthquake: North Pacific Ocean (USA) — October 21, 1988

M 4.5 earthquake: North Pacific Ocean (USA) — October 21, 1988. Epicenter 456 km W of Coos Bay, depth 10 km, 16:35 Local (1988-10-22 01:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (456 km W, USA) — 44.573, -129.662

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