M 4.9 earthquake: South Pacific Ocean (Tonga) — January 31, 1991

M 4.9 earthquake: South Pacific Ocean (Tonga) — January 31, 1991. Epicenter 445 km W of Nuku'alofa, depth 547 km, 23:32 Local (1991-02-01 11:32 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (445 km W, Tonga) — -22.458, -179.288

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