M 4.6 earthquake: North Atlantic Ocean (Portugal) — January 28, 1991

M 4.6 earthquake: North Atlantic Ocean (Portugal) — January 28, 1991. Epicenter 1949 km SW of Horta, depth 10 km, 05:47 Local (1991-01-28 08:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1949 km SW, Portugal) — 27.016, -44.433

EarthquakeLive.org