M 5.5 earthquake near Bío-Bío, 智利 — 1973-07-31

Magnitude 5.5 earthquake near Coronel以南72公里（智利）, depth 32 km, 01:41 Local (1973-07-31 05:41 UTC). Shaking felt by ~205万 people. Readings from every reporting agency, affected towns, aftershock sequence.

Coronel以南72公里（智利） — -37.65, -73.379

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