M 4.7 earthquake: North Atlantic Ocean (Portugal) — May 15, 1974

M 4.7 earthquake: North Atlantic Ocean (Portugal) — May 15, 1974. Epicenter 1904 km SW of Horta, depth 33 km, 02:36 Local (1974-05-15 05:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1904 km SW, Portugal) — 27.408, -44.231

EarthquakeLive.org