M 4.6 earthquake near Santander, Colombia — 1981-04-20

Magnitude 4.6 earthquake near 41 km S of Bucaramanga (Colombia), depth 169 km, 16:57 Local (1981-04-20 21:57 UTC). Shaking felt by ~406K people. Readings from every reporting agency, affected towns, aftershock sequence.

41 km S of Bucaramanga (Colombia) — 6.771, -73.048