M 4.6 earthquake: North Atlantic Ocean (Antigua and Barbuda) — April 20, 1991

M 4.6 earthquake: North Atlantic Ocean (Antigua and Barbuda) — April 20, 1991. Epicenter 1908 km NE of Saint John's, depth 10 km, 01:47 Local (1991-04-20 04:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1908 km NE, Antigua and Barbuda) — 23.305, -44.777

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