M 4.7 earthquake: South Pacific Ocean (Tonga) — February 16, 1974

M 4.7 earthquake: South Pacific Ocean (Tonga) — February 16, 1974. Epicenter 568 km SW of Nuku'alofa, depth 578 km, 11:15 Local (1974-02-15 23:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (568 km SW, Tonga) — -23.516, 179.893

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