M 4.6 earthquake: North Atlantic Ocean (Portugal) — January 31, 2001

M 4.6 earthquake: North Atlantic Ocean (Portugal) — January 31, 2001. Epicenter 319 km N of Horta, depth 10 km, 15:47 Local (2001-01-31 17:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (319 km N, Portugal) — 41.369, -29.249

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