M 4.7 earthquake: South Pacific Ocean (Tonga) — January 27, 1974

M 4.7 earthquake: South Pacific Ocean (Tonga) — January 27, 1974. Epicenter 470 km W of Nuku'alofa, depth 572 km, 15:57 Local (1974-01-28 03:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (470 km W, Tonga) — -22.199, -179.622

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