M 4.6 earthquake: North Atlantic Ocean (Portugal) — December 11, 2025

M 4.6 earthquake: North Atlantic Ocean (Portugal) — December 11, 2025. Epicenter 659 km SW of Horta, depth 10 km, 09:13 Local (2025-12-11 11:13 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (659 km SW, Portugal) — 35.2157, -34.7911