M 5.7 earthquake: South Pacific Ocean (Tonga) — April 23, 1972

M 5.7 earthquake: South Pacific Ocean (Tonga) — April 23, 1972. Epicenter 418 km W of Nuku'alofa, depth 600 km, 14:04 Local (1972-04-24 02:04 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (418 km W, Tonga) — -21.4, -179.243

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