M 4.9 earthquake: North Atlantic Ocean (Portugal) — April 26, 1983

M 4.9 earthquake: North Atlantic Ocean (Portugal) — April 26, 1983. Epicenter 479 km W of Lisbon, depth 10 km, 12:24 Local (1983-04-26 13:24 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (479 km W, Portugal) — 37.216, -14.265

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