M 4.6 earthquake: North Atlantic Ocean (Ecuador) — April 11, 1973

M 4.6 earthquake: North Atlantic Ocean (Ecuador) — April 11, 1973. Epicenter 438 km NW of Esmeraldas, depth 33 km, 13:49 Local (1973-04-11 18:49 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (438 km NW, Ecuador) — 3.682, -82.487

EarthquakeLive.org