M 4.7 earthquake: South Pacific Ocean (Tonga) — December 21, 1998

M 4.7 earthquake: South Pacific Ocean (Tonga) — December 21, 1998. Epicenter 306 km W of Nuku'alofa, depth 600 km, 13:44 Local (1998-12-22 01:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (306 km W, Tonga) — -20.176, -177.973

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