M 4.6 earthquake in the USA (St. George) — April 20, 1991

M 4.6 earthquake in the USA (St. George) — April 20, 1991. Epicenter 128 km NE of St. George, depth 10 km, 06:56 Local (1991-04-20 12:56 UTC). Shaking felt by ~419K people. Readings from every reporting agency, affected towns, aftershock sequence.

128 km NE of St. George (USA) — 38.0723333, -112.7875

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