M 4.7 earthquake: North Pacific Ocean (USA) — September 10, 1984

M 4.7 earthquake: North Pacific Ocean (USA) — September 10, 1984. Epicenter 257 km W of Eureka, depth 10 km, 00:47 Local (1984-09-10 07:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (257 km W, USA) — 40.311, -127.123

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