M 5.0 earthquake: North Atlantic Ocean (Portugal) — May 5, 1987

M 5.0 earthquake: North Atlantic Ocean (Portugal) — May 5, 1987. Epicenter 323 km SW of Horta, depth 10 km, 00:57 Local (1987-05-05 02:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (323 km SW, Portugal) — 37.344, -32.006

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