M 5.4 earthquake in Chile (Coquimbo) — September 18, 1977

M 5.4 earthquake in Chile (Coquimbo) — September 18, 1977. Epicenter 18 km W of Coquimbo, depth 33 km, 14:21 Local (1977-09-18 18:21 UTC). Shaking felt by ~814K people. Readings from every reporting agency, affected towns, aftershock sequence.

18 km W of Coquimbo (Chile) — -29.905, -71.522