M 4.8 earthquake: Aleutian Islands (Atka, USA) — December 21, 1976

M 4.8 earthquake: Aleutian Islands (Atka, USA) — December 21, 1976. Epicenter 461 km W of Atka, depth 101 km, 07:45 Local (1976-12-20 19:45 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (461 km W of Atka, USA) — 51.813, 179.09

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