M 4.5 earthquake: North Pacific Ocean (USA) — December 9, 1973

M 4.5 earthquake: North Pacific Ocean (USA) — December 9, 1973. Epicenter 353 km W of Atka, depth 33 km, 17:08 Local (1973-12-10 05:08 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (353 km W, USA) — 50.99, -178.924

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