M 7.0 earthquake: South Pacific Ocean (Tonga) — September 30, 1991

M 7.0 earthquake: South Pacific Ocean (Tonga) — September 30, 1991. Epicenter 351 km W of Nuku'alofa, depth 566 km, 12:21 Local (1991-09-30 00:21 UTC). Shaking felt by ~606K people. Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (351 km W, Tonga) — -20.878, -178.591

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