M 5.1 earthquake: North Atlantic Ocean (Portugal) — June 18, 1984

M 5.1 earthquake: North Atlantic Ocean (Portugal) — June 18, 1984. Epicenter 1734 km SW of Horta, depth 10 km, 19:58 Local (1984-06-18 22:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1734 km SW, Portugal) — 28.878, -43.419

EarthquakeLive.org