M 4.8 earthquake: North Atlantic Ocean (Portugal) — May 9, 1984

M 4.8 earthquake: North Atlantic Ocean (Portugal) — May 9, 1984. Epicenter 1036 km SW of Horta, depth 10 km, 17:06 Local (1984-05-09 20:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1036 km SW, Portugal) — 33.739, -38.544

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