M 5.4 earthquake: Aleutian Islands (Atka, USA) — July 12, 1971

M 5.4 earthquake: Aleutian Islands (Atka, USA) — July 12, 1971. Epicenter 72 km S of Atka, depth 35 km, 12:57 Local (1971-07-12 22:57 UTC). Shaking felt by ~61 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (72 km S of Atka, USA) — 51.557, -174.075

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