M 4.7 earthquake in the USA (Ogden) — September 24, 1987

M 4.7 earthquake in the USA (Ogden) — September 24, 1987. Epicenter 100 km W of Ogden, depth 9 km, 22:27 Local (1987-09-25 04:27 UTC). Shaking felt by ~1.4M people. Readings from every reporting agency, affected towns, aftershock sequence.

100 km W of Ogden (USA) — 41.2218333, -113.1605

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