M 4.8 earthquake: South Atlantic Ocean (Sierra Leone) — December 11, 1997

M 4.8 earthquake: South Atlantic Ocean (Sierra Leone) — December 11, 1997. Epicenter 1393 km SW of Freetown, depth 10 km, 13:01 Local (1997-12-11 14:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (1393 km SW, Sierra Leone) — -0.833, -21.647

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