M 4.6 earthquake: North Pacific Ocean (USA) — December 31, 2011

M 4.6 earthquake: North Pacific Ocean (USA) — December 31, 2011. Epicenter 548 km W of Atka, depth 12 km, 00:35 Local (2011-12-30 12:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (548 km W, USA) — 50.924, 178.144

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