M 4.8 earthquake: North Atlantic Ocean (Portugal) — November 12, 1997

M 4.8 earthquake: North Atlantic Ocean (Portugal) — November 12, 1997. Epicenter 1349 km SW of Horta, depth 10 km, 18:36 Local (1997-11-12 21:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1349 km SW, Portugal) — 31.79, -41.01

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