M 4.5 earthquake near Bío-Bío, Chili — 1981-10-23

Magnitude 4.5 earthquake near 83 km au sud de Concepción (Chili), depth 33 km, 22:16 Local (1981-10-23 01:16 UTC). Shaking felt by ~1.1 million people. Readings from every reporting agency, affected towns, aftershock sequence.

83 km au sud de Concepción (Chili) — -37.571, -73.164

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