M 4.7 earthquake: North Atlantic Ocean (Antigua and Barbuda) — July 22, 1975

M 4.7 earthquake: North Atlantic Ocean (Antigua and Barbuda) — July 22, 1975. Epicenter 1877 km NE of Saint John's, depth 33 km, 23:34 Local (1975-07-23 02:34 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1877 km NE, Antigua and Barbuda) — 23.237, -45.073

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