M 4.5 earthquake: North Atlantic Ocean (Portugal) — October 3, 2025

M 4.5 earthquake: North Atlantic Ocean (Portugal) — October 3, 2025. Epicenter 1214 km N of Angra do Heroísmo, depth 10 km, 07:14 Local (2025-10-03 09:14 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1214 km N, Portugal) — 49.5402, -28.3373

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