M 4.8 earthquake: North Atlantic Ocean (Portugal) — March 15, 1983

M 4.8 earthquake: North Atlantic Ocean (Portugal) — March 15, 1983. Epicenter 1748 km SW of Horta, depth 10 km, 08:06 Local (1983-03-15 11:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1748 km SW, Portugal) — 28.823, -43.551

EarthquakeLive.org