M 6.1 earthquake: North Atlantic Ocean (Portugal) — March 19, 1959

M 6.1 earthquake: North Atlantic Ocean (Portugal) — March 19, 1959. Epicenter 733 km SW of Horta, depth 15 km, 06:25 Local (1959-03-19 08:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (733 km SW, Portugal) — 35.25, -35.791

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