M 5.4 earthquake: South Pacific Ocean (Tonga) — August 8, 1991

M 5.4 earthquake: South Pacific Ocean (Tonga) — August 8, 1991. Epicenter 317 km W of Nuku'alofa, depth 579 km, 04:30 Local (1991-08-08 16:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (317 km W, Tonga) — -20.226, -178.103

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