M 4.7 earthquake: North Atlantic Ocean (Portugal) — February 28, 1997

M 4.7 earthquake: North Atlantic Ocean (Portugal) — February 28, 1997. Epicenter 950 km SW of Horta, depth 10 km, 07:25 Local (1997-02-28 10:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (950 km SW, Portugal) — 34.132, -37.748

EarthquakeLive.org