M 4.8 earthquake: North Atlantic Ocean (Portugal) — January 28, 1991

M 4.8 earthquake: North Atlantic Ocean (Portugal) — January 28, 1991. Epicenter 1982 km SW of Horta, depth 10 km, 16:15 Local (1991-01-28 19:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1982 km SW, Portugal) — 26.745, -44.602

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