M 5.3 earthquake: North Atlantic Ocean (Portugal) — September 22, 1988

M 5.3 earthquake: North Atlantic Ocean (Portugal) — September 22, 1988. Epicenter 2003 km SW of Horta, depth 10 km, 04:32 Local (1988-09-22 07:32 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (2003 km SW, Portugal) — 26.505, -44.623

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