M 5.4 earthquake: South Pacific Ocean (Tonga) — September 29, 1975

M 5.4 earthquake: South Pacific Ocean (Tonga) — September 29, 1975. Epicenter 446 km S of Nuku'alofa, depth 33 km, 06:49 Local (1975-09-29 18:49 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (446 km S, Tonga) — -25.132, -175.593

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