M 4.9 earthquake: North Atlantic Ocean (Portugal) — January 15, 1984

M 4.9 earthquake: North Atlantic Ocean (Portugal) — January 15, 1984. Epicenter 1737 km SW of Horta, depth 10 km, 04:35 Local (1984-01-15 07:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1737 km SW, Portugal) — 28.898, -43.486

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