M 4.5 earthquake: North Atlantic Ocean (Portugal) — October 29, 2004

M 4.5 earthquake: North Atlantic Ocean (Portugal) — October 29, 2004. Epicenter 989 km SW of Horta, depth 10 km, 08:06 Local (2004-10-29 11:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (989 km SW, Portugal) — 33.732, -37.926

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