M 5.0 earthquake: North Pacific Ocean (USA) — February 4, 1988

M 5.0 earthquake: North Pacific Ocean (USA) — February 4, 1988. Epicenter 866 km W of Atka, depth 33 km, 14:35 Local (1988-02-04 02:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (866 km W, USA) — 50.75, 173.5

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