M 5.0 earthquake: North Atlantic Ocean (Portugal) — September 18, 1988

M 5.0 earthquake: North Atlantic Ocean (Portugal) — September 18, 1988. Epicenter 1250 km SW of Horta, depth 10 km, 20:27 Local (1988-09-18 23:27 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1250 km SW, Portugal) — 32.351, -40.191

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