M 5.4 earthquake: North Pacific Ocean (USA) — August 20, 1992

M 5.4 earthquake: North Pacific Ocean (USA) — August 20, 1992. Epicenter 338 km W of Coos Bay, depth 20 km, 16:02 Local (1992-08-21 01:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (338 km W, USA) — 43.93, -128.344

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