M 5.1 Earthquake: Aleutian Islands (Atka, USA) — December 18, 1977

M 5.1 Earthquake: Aleutian Islands (Atka, USA) — December 18, 1977. Epicenter 190 km SW of Atka, depth 53 km, 23:52 Local (1977-12-19 10:52 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (190 km SW of Atka, USA) — 51.194, -176.437

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