M 4.6 earthquake: South Pacific Ocean (Tonga) — March 1, 1999

M 4.6 earthquake: South Pacific Ocean (Tonga) — March 1, 1999. Epicenter 560 km SW of Nuku'alofa, depth 567 km, 23:31 Local (1999-03-01 11:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (560 km SW, Tonga) — -23.482, 179.956

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