M 5.5 earthquake in Mexico (Apatzingán) — December 8, 1983

M 5.5 earthquake in Mexico (Apatzingán) — December 8, 1983. Epicenter 64 km S of Apatzingán, depth 68 km, 04:21 Local (1983-12-08 10:21 UTC). Shaking felt by ~4.4M people. Readings from every reporting agency, affected towns, aftershock sequence.

64 km S of Apatzingán (Mexico) — 18.548, -102.581

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