M 4.6 earthquake: North Pacific Ocean (USA) — October 21, 1988

M 4.6 earthquake: North Pacific Ocean (USA) — October 21, 1988. Epicenter 461 km W of Coos Bay, depth 10 km, 16:29 Local (1988-10-22 01:29 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (461 km W, USA) — 44.567, -129.732

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