M 4.6 earthquake in Chile (Copiapó) — October 18, 1973

M 4.6 earthquake in Chile (Copiapó) — October 18, 1973. Epicenter 78 km NW of Copiapó, depth 33 km, 14:46 Local (1973-10-18 17:46 UTC). Shaking felt by ~277K people. Readings from every reporting agency, affected towns, aftershock sequence.

78 km NW of Copiapó (Chile) — -26.913, -70.946

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