M 6.6 earthquake: North Atlantic Ocean (Antigua and Barbuda) — March 21, 2026

M 6.6 earthquake: North Atlantic Ocean (Antigua and Barbuda) — March 21, 2026. Epicenter 1830 km NE of Saint John's, depth 10 km, 09:16 Local (2026-03-21 12:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1830 km NE, Antigua and Barbuda) — 23.8601, -45.7987

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