M 4.6 earthquake: Bering Sea (Unalaska, USA) — September 21, 1979

M 4.6 earthquake: Bering Sea (Unalaska, USA) — September 21, 1979. Epicenter 32 km SW of Unalaska, depth 33 km, 17:49 Local (1979-09-22 03:49 UTC). Shaking felt by ~3.6K people. Readings from every reporting agency, affected towns, aftershock sequence.

Bering Sea (32 km SW of Unalaska, USA) — 53.73, -166.953

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