M 6.1 earthquake: North Atlantic Ocean (Brazil) — September 4, 1964

M 6.1 earthquake: North Atlantic Ocean (Brazil) — September 4, 1964. Epicenter 1222 km N of Acaraú, depth 10 km, 01:28 Local (1964-09-04 03:28 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1222 km N, Brazil) — 7.649, -37.011

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