M 6.3 earthquake: North Atlantic Ocean (Sierra Leone) — April 27, 1940

M 6.3 earthquake: North Atlantic Ocean (Sierra Leone) — April 27, 1940. Epicenter 1186 km SW of Freetown, depth 15 km, 09:33 Local (1940-04-27 10:33 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1186 km SW, Sierra Leone) — 0.469, -20.312

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