M 5.1 earthquake: North Atlantic Ocean (Portugal) — January 16, 1977

M 5.1 earthquake: North Atlantic Ocean (Portugal) — January 16, 1977. Epicenter 820 km W of Horta, depth 33 km, 08:34 Local (1977-01-16 10:34 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (820 km W, Portugal) — 35.465, -37.04

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