M 6.6 earthquake: Aleutian Islands (Atka, USA) — March 13, 1957

M 6.6 earthquake: Aleutian Islands (Atka, USA) — March 13, 1957. Epicenter 322 km W of Atka, depth 25 km, 04:42 Local (1957-03-13 15:42 UTC). Shaking felt by ~61 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (322 km W of Atka, USA) — 51.425, -178.721

EarthquakeLive.org