M 4.5 earthquake: South Pacific Ocean (Tonga) — January 7, 1991

M 4.5 earthquake: South Pacific Ocean (Tonga) — January 7, 1991. Epicenter 258 km S of Nuku'alofa, depth 257 km, 01:32 Local (1991-01-06 12:32 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (258 km S, Tonga) — -23.43, -175.603

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