M 5.2 earthquake: South Pacific Ocean (Tonga) — May 20, 1974

M 5.2 earthquake: South Pacific Ocean (Tonga) — May 20, 1974. Epicenter 365 km W of Nuku'alofa, depth 571 km, 16:47 Local (1974-05-21 04:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (365 km W, Tonga) — -21.214, -178.742

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