M 4.5 earthquake: North Atlantic Ocean (Brazil) — February 18, 1977

M 4.5 earthquake: North Atlantic Ocean (Brazil) — February 18, 1977. Epicenter 1303 km N of Acaraú, depth 33 km, 11:14 Local (1977-02-18 14:14 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1303 km N, Brazil) — 8.818, -39.717

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