M 5.3 earthquake: South Pacific Ocean (Tonga) — January 23, 1991

M 5.3 earthquake: South Pacific Ocean (Tonga) — January 23, 1991. Epicenter 611 km SW of Nuku'alofa, depth 503 km, 09:39 Local (1991-01-22 21:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (611 km SW, Tonga) — -23.856, 179.605

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