M 6.0 earthquake: North Atlantic Ocean (Brazil) — April 4, 1977

M 6.0 earthquake: North Atlantic Ocean (Brazil) — April 4, 1977. Epicenter 1275 km NE of Acaraú, depth 33 km, 15:52 Local (1977-04-04 17:52 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1275 km NE, Brazil) — 7.301, -34.857

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