M 4.6 earthquake: South Pacific Ocean (Tonga) — September 30, 1991

M 4.6 earthquake: South Pacific Ocean (Tonga) — September 30, 1991. Epicenter 317 km NW of Nuku'alofa, depth 441 km, 22:47 Local (1991-10-01 10:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (317 km NW, Tonga) — -19.358, -177.592

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