M 5.9 earthquake: Aleutian Islands (Atka, USA) — June 21, 1978

M 5.9 earthquake: Aleutian Islands (Atka, USA) — June 21, 1978. Epicenter 363 km W of Atka, depth 33 km, 17:41 Local (1978-06-22 05:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (363 km W of Atka, USA) — 51.605, -179.412

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