M 5.6 earthquake: South Pacific Ocean (Tonga) — May 7, 1991

M 5.6 earthquake: South Pacific Ocean (Tonga) — May 7, 1991. Epicenter 276 km W of Nuku'alofa, depth 496 km, 11:50 Local (1991-05-06 22:50 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (276 km W, Tonga) — -20.871, -177.868

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