M 4.6 earthquake: North Pacific Ocean (USA) — October 21, 1986

M 4.6 earthquake: North Pacific Ocean (USA) — October 21, 1986. Epicenter 358 km W of Coos Bay, depth 10 km, 03:08 Local (1986-10-21 12:08 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (358 km W, USA) — 43.847, -128.613

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