M 6.6 earthquake near Chocó, Colombia — 1970-09-27

Magnitude 6.6 earthquake near 114 km NW of Quibdó (Colombia), depth 10 km, 22:38 Local (1970-09-27 03:38 UTC). Shaking felt by ~30M people. Readings from every reporting agency, affected towns, aftershock sequence.

114 km NW of Quibdó (Colombia) — 6.401, -77.407