M 4.9 earthquake near Antofagasta, Chile — 1981-08-20

Magnitude 4.9 earthquake near 82 km N of Antofagasta (Chile), depth 23 km, 00:48 Local (1981-08-20 04:48 UTC). Shaking felt by ~324K people. Readings from every reporting agency, affected towns, aftershock sequence.

82 km N of Antofagasta (Chile) — -22.93, -70.553