M 4.6 earthquake: North Atlantic Ocean (Portugal) — September 10, 1976

M 4.6 earthquake: North Atlantic Ocean (Portugal) — September 10, 1976. Epicenter 890 km N of Angra do Heroísmo, depth 33 km, 06:54 Local (1976-09-10 08:54 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (890 km N, Portugal) — 46.652, -27.306

EarthquakeLive.org