M 4.8 earthquake: North Atlantic Ocean (Portugal) — January 27, 1991

M 4.8 earthquake: North Atlantic Ocean (Portugal) — January 27, 1991. Epicenter 1970 km SW of Horta, depth 10 km, 08:53 Local (1991-01-27 11:53 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1970 km SW, Portugal) — 26.878, -44.577

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