M 4.5 earthquake: South Atlantic Ocean (Sierra Leone) — September 3, 1991

M 4.5 earthquake: South Atlantic Ocean (Sierra Leone) — September 3, 1991. Epicenter 1200 km SW of Freetown, depth 10 km, 19:45 Local (1991-09-03 20:45 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (1200 km SW, Sierra Leone) — -0.029, -19.909

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