M 4.5 earthquake: North Atlantic Ocean (Portugal) — September 10, 2021

M 4.5 earthquake: North Atlantic Ocean (Portugal) — September 10, 2021. Epicenter 599 km SW of Horta, depth 10 km, 09:34 Local (2021-09-10 11:34 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (599 km SW, Portugal) — 35.9542, -34.5877

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