M 4.7 earthquake: Aleutian Islands (Atka, USA) — December 16, 1987

M 4.7 earthquake: Aleutian Islands (Atka, USA) — December 16, 1987. Epicenter 649 km W of Atka, depth 33 km, 08:58 Local (1987-12-15 20:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (649 km W of Atka, USA) — 51.446, 176.423

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