M 5.1 earthquake: South Pacific Ocean (Tonga) — December 11, 1991

M 5.1 earthquake: South Pacific Ocean (Tonga) — December 11, 1991. Epicenter 280 km W of Nuku'alofa, depth 543 km, 17:15 Local (1991-12-11 04:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (280 km W, Tonga) — -20.319, -177.766

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