M 4.6 earthquake: North Atlantic Ocean (Portugal) — December 15, 1998

M 4.6 earthquake: North Atlantic Ocean (Portugal) — December 15, 1998. Epicenter 2005 km SW of Horta, depth 10 km, 11:31 Local (1998-12-15 14:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (2005 km SW, Portugal) — 26.485, -44.635

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