M 4.9 earthquake: North Atlantic Ocean (Ecuador) — May 4, 1983

M 4.9 earthquake: North Atlantic Ocean (Ecuador) — May 4, 1983. Epicenter 770 km NW of Puerto Villamil, depth 10 km, 07:05 Local (1983-05-04 13:05 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (770 km NW, Ecuador) — 2.065, -97.255

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