M 4.9 earthquake: South Pacific Ocean (Tonga) — August 30, 1975

M 4.9 earthquake: South Pacific Ocean (Tonga) — August 30, 1975. Epicenter 343 km W of Nuku'alofa, depth 518 km, 08:17 Local (1975-08-30 20:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (343 km W, Tonga) — -21.056, -178.53

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