M 4.7 earthquake: North Atlantic Ocean (Portugal) — June 12, 1973

M 4.7 earthquake: North Atlantic Ocean (Portugal) — June 12, 1973. Epicenter 881 km N of Angra do Heroísmo, depth 33 km, 21:18 Local (1973-06-12 23:18 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (881 km N, Portugal) — 46.571, -27.471

EarthquakeLive.org