M 4.9 earthquake: North Atlantic Ocean (Brazil) — March 7, 1977

M 4.9 earthquake: North Atlantic Ocean (Brazil) — March 7, 1977. Epicenter 1236 km N of Acaraú, depth 33 km, 08:39 Local (1977-03-07 10:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1236 km N, Brazil) — 7.432, -35.987

EarthquakeLive.org