M 5.5 Earthquake off the coast of Atka, USA — February 6, 1971

M 5.5 Earthquake off the coast of Atka, USA — February 6, 1971. Epicenter 242 km SW of Atka, depth 35 km, 16:20 Local (1971-02-07 03:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Off the coast of Atka (242 km SW, USA) — 50.99, -177.12

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