M 4.8 earthquake: South Pacific Ocean (Tonga) — March 15, 1975

M 4.8 earthquake: South Pacific Ocean (Tonga) — March 15, 1975. Epicenter 493 km W of Nuku'alofa, depth 669 km, 20:04 Local (1975-03-16 08:04 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (493 km W, Tonga) — -22.342, -179.814

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