M 5.0 earthquake: North Atlantic Ocean (Portugal) — April 5, 1974

M 5.0 earthquake: North Atlantic Ocean (Portugal) — April 5, 1974. Epicenter 1766 km SW of Horta, depth 33 km, 01:56 Local (1974-04-05 04:56 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1766 km SW, Portugal) — 28.612, -43.588

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