M 4.9 earthquake: North Atlantic Ocean (Portugal) — March 21, 2023

M 4.9 earthquake: North Atlantic Ocean (Portugal) — March 21, 2023. Epicenter 1778 km SW of Horta, depth 10 km, 17:46 Local (2023-03-21 20:46 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1778 km SW, Portugal) — 28.4962, -43.6257

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