M 6.8 earthquake: Bering Sea (Nikolski, USA) — February 21, 1957

M 6.8 earthquake: Bering Sea (Nikolski, USA) — February 21, 1957. Epicenter 166 km W of Nikolski, depth 104 km, 03:30 Local (1957-02-21 14:30 UTC). Shaking felt by ~73K people. Readings from every reporting agency, affected towns, aftershock sequence.

Bering Sea (166 km W of Nikolski, USA) — 52.925, -171.345

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