M 4.7 earthquake: South Pacific Ocean (Tonga) — July 30, 1991

M 4.7 earthquake: South Pacific Ocean (Tonga) — July 30, 1991. Epicenter 587 km SW of Nuku'alofa, depth 557 km, 19:21 Local (1991-07-31 07:21 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (587 km SW, Tonga) — -24.154, -179.912

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