M 5.7 earthquake: North Atlantic Ocean (Antigua and Barbuda) — June 21, 1988

M 5.7 earthquake: North Atlantic Ocean (Antigua and Barbuda) — June 21, 1988. Epicenter 1868 km NE of Saint John's, depth 25 km, 03:26 Local (1988-06-21 06:26 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1868 km NE, Antigua and Barbuda) — 24.878, -45.867

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