M 5.5 earthquake in Chile (Antofagasta) — August 4, 1973

M 5.5 earthquake in Chile (Antofagasta) — August 4, 1973. Epicenter 95 km N of Antofagasta, depth 43 km, 20:49 Local (1973-08-05 00:49 UTC). Shaking felt by ~827K people. Readings from every reporting agency, affected towns, aftershock sequence.

95 km N of Antofagasta (Chile) — -22.812, -70.222

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