M 4.6 earthquake: North Atlantic Ocean (Ecuador) — September 20, 1991

M 4.6 earthquake: North Atlantic Ocean (Ecuador) — September 20, 1991. Epicenter 960 km W of Puerto Villamil, depth 10 km, 03:06 Local (1991-09-20 10:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (960 km W, Ecuador) — 1.899, -99.17

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