M 4.8 Earthquake: Aleutian Islands (Atka, USA) — April 30, 1977

M 4.8 Earthquake: Aleutian Islands (Atka, USA) — April 30, 1977. Epicenter 81 km SE of Atka, depth 42 km, 11:49 Local (1977-04-30 21:49 UTC). Shaking felt by ~61 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (81 km SE of Atka, USA) — 51.646, -173.431

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