M 4.6 earthquake: North Atlantic Ocean (Portugal) — April 26, 1979

M 4.6 earthquake: North Atlantic Ocean (Portugal) — April 26, 1979. Epicenter 723 km SW of Horta, depth 10 km, 18:15 Local (1979-04-26 20:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (723 km SW, Portugal) — 35.116, -35.556

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