M 4.9 earthquake: South Pacific Ocean (Tonga) — August 19, 1975

M 4.9 earthquake: South Pacific Ocean (Tonga) — August 19, 1975. Epicenter 393 km W of Nuku'alofa, depth 628 km, 17:17 Local (1975-08-20 05:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (393 km W, Tonga) — -21.199, -179.01

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