M 4.7 earthquake: South Atlantic Ocean (Liberia) — July 7, 1983

M 4.7 earthquake: South Atlantic Ocean (Liberia) — July 7, 1983. Epicenter 943 km SW of Robertsport, depth 10 km, 10:20 Local (1983-07-07 11:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (943 km SW, Liberia) — -0.072, -16.407

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