M 5.0 earthquake: North Pacific Ocean (USA) — May 17, 1983

M 5.0 earthquake: North Pacific Ocean (USA) — May 17, 1983. Epicenter 263 km W of Eureka, depth 10 km, 17:49 Local (1983-05-18 00:49 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (263 km W, USA) — 40.853, -127.278

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