M 4.6 earthquake: North Atlantic Ocean (Ecuador) — October 23, 1974

M 4.6 earthquake: North Atlantic Ocean (Ecuador) — October 23, 1974. Epicenter 254 km N of Santa Cruz, depth 33 km, 04:45 Local (1974-10-23 09:45 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (254 km N, Ecuador) — 1.697, -90.826

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