M 4.6 earthquake: North Atlantic Ocean (Portugal) — October 12, 2025

M 4.6 earthquake: North Atlantic Ocean (Portugal) — October 12, 2025. Epicenter 1006 km SW of Horta, depth 10 km, 08:47 Local (2025-10-12 11:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1006 km SW, Portugal) — 33.7802, -38.1895

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