M 5.4 earthquake: South Pacific Ocean (Tonga) — August 27, 1985

M 5.4 earthquake: South Pacific Ocean (Tonga) — August 27, 1985. Epicenter 388 km W of Nuku'alofa, depth 626 km, 18:29 Local (1985-08-27 06:29 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (388 km W, Tonga) — -20.941, -178.956

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