M 5.5 earthquake: North Atlantic Ocean (Portugal) — January 15, 1984

M 5.5 earthquake: North Atlantic Ocean (Portugal) — January 15, 1984. Epicenter 1745 km SW of Horta, depth 10 km, 04:14 Local (1984-01-15 07:14 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1745 km SW, Portugal) — 28.804, -43.494

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