M 4.6 earthquake: North Atlantic Ocean (Portugal) — November 3, 2025

M 4.6 earthquake: North Atlantic Ocean (Portugal) — November 3, 2025. Epicenter 556 km N of Angra do Heroísmo, depth 10 km, 03:30 Local (2025-11-03 05:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (556 km N, Portugal) — 43.5668, -28.4232

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