M 4.6 earthquake in Canada (Fort McPherson) — August 21, 1981

M 4.6 earthquake in Canada (Fort McPherson) — August 21, 1981. Epicenter 215 km S of Fort McPherson, depth 33 km, 12:44 Local (1981-08-21 19:44 UTC). Shaking felt by ~49K people. Readings from every reporting agency, affected towns, aftershock sequence.

215 km S of Fort McPherson (Canada) — 65.571, -135.518

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