M 5.3 Earthquake: South Pacific Ocean (Tonga) — August 1, 1975

M 5.3 Earthquake: South Pacific Ocean (Tonga) — August 1, 1975. Epicenter 451 km W of Nuku'alofa, depth 576 km, 13:45 Local (1975-08-02 01:45 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (451 km W, Tonga) — -22.038, -179.479

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