M 4.6 earthquake: North Atlantic Ocean (Portugal) — February 10, 1999

M 4.6 earthquake: North Atlantic Ocean (Portugal) — February 10, 1999. Epicenter 435 km SW of Lisbon, depth 10 km, 10:03 Local (1999-02-10 11:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (435 km SW, Portugal) — 37.032, -13.619

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