M 5.6 earthquake: South Pacific Ocean (Tonga) — March 3, 1972

M 5.6 earthquake: South Pacific Ocean (Tonga) — March 3, 1972. Epicenter 433 km W of Nuku'alofa, depth 590 km, 14:58 Local (1972-03-04 02:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (433 km W, Tonga) — -21.888, -179.329

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