M 4.7 earthquake: South Pacific Ocean (Tonga) — July 4, 1974

M 4.7 earthquake: South Pacific Ocean (Tonga) — July 4, 1974. Epicenter 325 km W of Nuku'alofa, depth 420 km, 00:02 Local (1974-07-04 12:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (325 km W, Tonga) — -21.917, -178.254

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