M 4.6 earthquake: Aleutian Islands (Atka, USA) — June 20, 1987

M 4.6 earthquake: Aleutian Islands (Atka, USA) — June 20, 1987. Epicenter 90 km S of Atka, depth 33 km, 09:13 Local (1987-06-20 18:13 UTC). Shaking felt by ~58 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (90 km S of Atka, USA) — 51.442, -173.739

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