M 4.5 earthquake: North Pacific Ocean (USA) — May 10, 1975

M 4.5 earthquake: North Pacific Ocean (USA) — May 10, 1975. Epicenter 634 km W of Atka, depth 33 km, 16:27 Local (1975-05-10 04:27 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (634 km W, USA) — 50.604, 177.016

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