M 4.6 earthquake: North Atlantic Ocean (Portugal) — January 12, 1987

M 4.6 earthquake: North Atlantic Ocean (Portugal) — January 12, 1987. Epicenter 334 km N of Horta, depth 10 km, 08:11 Local (1987-01-12 10:11 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (334 km N, Portugal) — 41.474, -29.478

EarthquakeLive.org