M 4.5 earthquake: North Atlantic Ocean (Portugal) — October 30, 1999
M 4.5 earthquake: North Atlantic Ocean (Portugal) — October 30, 1999. Epicenter 287 km W of Portimão, depth 10 km, 10:22 Local (1999-10-30 09:22 UTC). Readings from every reporting agency, affected towns, aftershock sequence.
North Atlantic Ocean (287 km W, Portugal) — 36.949, -11.759
