M 5.4 earthquake: South Pacific Ocean (Tonga) — September 25, 1991

M 5.4 earthquake: South Pacific Ocean (Tonga) — September 25, 1991. Epicenter 452 km SW of Nuku'alofa, depth 410 km, 05:43 Local (1991-09-25 17:43 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (452 km SW, Tonga) — -23.364, -178.902

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