M 4.5 earthquake: North Atlantic Ocean (Portugal) — March 3, 1998

M 4.5 earthquake: North Atlantic Ocean (Portugal) — March 3, 1998. Epicenter 1130 km SW of Horta, depth 10 km, 23:11 Local (1998-03-04 02:11 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1130 km SW, Portugal) — 33.37, -39.474

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