M 4.9 earthquake: North Atlantic Ocean (Portugal) — May 4, 2018

M 4.9 earthquake: North Atlantic Ocean (Portugal) — May 4, 2018. Epicenter 521 km SW of Horta, depth 10 km, 00:24 Local (2018-05-04 02:24 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (521 km SW, Portugal) — 36.3353, -33.8626

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