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

M 4.9 earthquake: North Atlantic Ocean (Portugal) — January 15, 1984. Epicenter 1730 km SW of Horta, depth 10 km, 04:02 Local (1984-01-15 07:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1730 km SW, Portugal) — 28.934, -43.414

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