M 4.8 earthquake: North Atlantic Ocean (Portugal) — April 10, 1984

M 4.8 earthquake: North Atlantic Ocean (Portugal) — April 10, 1984. Epicenter 759 km SW of Horta, depth 10 km, 15:33 Local (1984-04-10 17:33 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (759 km SW, Portugal) — 35.32, -36.186

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