M 4.5 earthquake: Aleutian Islands (Unalaska, USA) — February 28, 1973

M 4.5 earthquake: Aleutian Islands (Unalaska, USA) — February 28, 1973. Epicenter 147 km E of Unalaska, depth 33 km, 10:42 Local (1973-02-28 21:42 UTC). Shaking felt by ~11K people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (147 km E of Unalaska, USA) — 53.608, -164.341

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