M 4.9 earthquake: Aleutian Islands (Atka, USA) — September 4, 1973

M 4.9 earthquake: Aleutian Islands (Atka, USA) — September 4, 1973. Epicenter 76 km SE of Atka, depth 42 km, 15:07 Local (1973-09-05 01:07 UTC). Shaking felt by ~61 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (76 km SE of Atka, USA) — 51.704, -173.423

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