M 5.1 earthquake: North Atlantic Ocean (Portugal) — July 30, 1988

M 5.1 earthquake: North Atlantic Ocean (Portugal) — July 30, 1988. Epicenter 1389 km SW of Horta, depth 20 km, 02:52 Local (1988-07-30 05:52 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1389 km SW, Portugal) — 31.321, -41.109

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