M 5.5 earthquake: South Pacific Ocean (Tonga) — September 7, 1991

M 5.5 earthquake: South Pacific Ocean (Tonga) — September 7, 1991. Epicenter 577 km SW of Nuku'alofa, depth 534 km, 02:32 Local (1991-09-07 14:32 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (577 km SW, Tonga) — -24.103, -179.836

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