M 5.4 earthquake: North Atlantic Ocean (Liberia) — May 21, 1997

M 5.4 earthquake: North Atlantic Ocean (Liberia) — May 21, 1997. Epicenter 959 km SW of Robertsport, depth 10 km, 19:23 Local (1997-05-21 20:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (959 km SW, Liberia) — 0.015, -16.759

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