M 4.6 earthquake: North Atlantic Ocean (Portugal) — March 16, 2011

M 4.6 earthquake: North Atlantic Ocean (Portugal) — March 16, 2011. Epicenter 1791 km SW of Horta, depth 10 km, 04:38 Local (2011-03-16 07:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1791 km SW, Portugal) — 28.375, -43.682

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