M 4.8 earthquake: North Atlantic Ocean (Portugal) — March 9, 1984

M 4.8 earthquake: North Atlantic Ocean (Portugal) — March 9, 1984. Epicenter 256 km N of Horta, depth 10 km, 09:03 Local (1984-03-09 10:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (256 km N, Portugal) — 40.72, -29.574

EarthquakeLive.org