M 4.8 earthquake: North Atlantic Ocean (Portugal) — February 23, 2011

M 4.8 earthquake: North Atlantic Ocean (Portugal) — February 23, 2011. Epicenter 869 km SW of Horta, depth 10 km, 10:20 Local (2011-02-23 12:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (869 km SW, Portugal) — 34.412, -36.911

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