M 4.9 earthquake: South Atlantic Ocean (Liberia) — March 21, 1974

M 4.9 earthquake: South Atlantic Ocean (Liberia) — March 21, 1974. Epicenter 1085 km SW of Robertsport, depth 33 km, 12:42 Local (1974-03-21 13:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (1085 km SW, Liberia) — -0.204, -18.225

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