M 5.3 earthquake: South Pacific Ocean (Tonga) — September 9, 1975

M 5.3 earthquake: South Pacific Ocean (Tonga) — September 9, 1975. Epicenter 441 km S of Nuku'alofa, depth 33 km, 22:44 Local (1975-09-10 10:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (441 km S, Tonga) — -25.098, -175.373

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