M 4.5 earthquake: South Pacific Ocean (Tonga) — July 15, 1999

M 4.5 earthquake: South Pacific Ocean (Tonga) — July 15, 1999. Epicenter 383 km W of Nuku'alofa, depth 550 km, 13:29 Local (1999-07-16 01:29 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (383 km W, Tonga) — -21.7, -178.87

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