M 4.7 earthquake: North Atlantic Ocean (Portugal) — April 1, 1998

M 4.7 earthquake: North Atlantic Ocean (Portugal) — April 1, 1998. Epicenter 733 km SW of Horta, depth 10 km, 20:21 Local (1998-04-01 22:21 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (733 km SW, Portugal) — 35.306, -35.843

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