M 4.6 earthquake: South Pacific Ocean (Tonga) — January 31, 1999

M 4.6 earthquake: South Pacific Ocean (Tonga) — January 31, 1999. Epicenter 461 km W of Nuku'alofa, depth 558 km, 04:42 Local (1999-01-31 16:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (461 km W, Tonga) — -22.099, -179.562

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