M 5.4 earthquake: North Atlantic Ocean (Portugal) — October 26, 1988

M 5.4 earthquake: North Atlantic Ocean (Portugal) — October 26, 1988. Epicenter 696 km SW of Horta, depth 10 km, 22:31 Local (1988-10-27 00:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (696 km SW, Portugal) — 35.109, -35.199

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