M 5.1 earthquake: North Atlantic Ocean (Portugal) — March 15, 1984

M 5.1 earthquake: North Atlantic Ocean (Portugal) — March 15, 1984. Epicenter 1802 km SW of Horta, depth 10 km, 21:43 Local (1984-03-16 00:43 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1802 km SW, Portugal) — 28.387, -43.854

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