M 4.9 earthquake: North Atlantic Ocean (Portugal) — March 1, 1980

M 4.9 earthquake: North Atlantic Ocean (Portugal) — March 1, 1980. Epicenter 319 km SW of Horta, depth 10 km, 15:02 Local (1980-03-01 17:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (319 km SW, Portugal) — 37.36, -31.968

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