M 5.4 earthquake: North Atlantic Ocean (Portugal) — March 25, 1997

M 5.4 earthquake: North Atlantic Ocean (Portugal) — March 25, 1997. Epicenter 1453 km SW of Horta, depth 10 km, 11:20 Local (1997-03-25 14:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1453 km SW, Portugal) — 30.914, -41.597

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