M 5.0 earthquake: South Pacific Ocean (Tonga) — December 18, 1989

M 5.0 earthquake: South Pacific Ocean (Tonga) — December 18, 1989. Epicenter 270 km W of Nuku'alofa, depth 508 km, 20:59 Local (1989-12-18 07:59 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (270 km W, Tonga) — -20.374, -177.685

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