M 4.8 earthquake: North Atlantic Ocean (Portugal) — January 1, 1997

M 4.8 earthquake: North Atlantic Ocean (Portugal) — January 1, 1997. Epicenter 903 km SW of Horta, depth 10 km, 09:44 Local (1997-01-01 11:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (903 km SW, Portugal) — 34.407, -37.354

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