M 5.7 earthquake: South Pacific Ocean (Tonga) — January 18, 1990

M 5.7 earthquake: South Pacific Ocean (Tonga) — January 18, 1990. Epicenter 342 km W of Nuku'alofa, depth 586 km, 08:57 Local (1990-01-18 20:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (342 km W, Tonga) — -20.76, -178.487

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