M 4.8 earthquake: North Atlantic Ocean (Portugal) — February 23, 1988

M 4.8 earthquake: North Atlantic Ocean (Portugal) — February 23, 1988. Epicenter 770 km SW of Horta, depth 10 km, 14:18 Local (1988-02-23 16:18 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (770 km SW, Portugal) — 35.33, -36.329

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