M 4.9 earthquake: North Atlantic Ocean (Portugal) — February 11, 1991

M 4.9 earthquake: North Atlantic Ocean (Portugal) — February 11, 1991. Epicenter 2007 km SW of Horta, depth 10 km, 20:43 Local (1991-02-11 23:43 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (2007 km SW, Portugal) — 26.401, -44.565

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