M 4.5 earthquake: South Pacific Ocean (Tonga) — December 28, 1999

M 4.5 earthquake: South Pacific Ocean (Tonga) — December 28, 1999. Epicenter 396 km W of Nuku'alofa, depth 622 km, 23:06 Local (1999-12-28 10:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (396 km W, Tonga) — -21.015, -179.032

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