M 4.8 earthquake: North Atlantic Ocean (Portugal) — August 21, 2006

M 4.8 earthquake: North Atlantic Ocean (Portugal) — August 21, 2006. Epicenter 1350 km SW of Horta, depth 10 km, 04:05 Local (2006-08-21 07:05 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1350 km SW, Portugal) — 31.693, -40.926

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