M 5.6 earthquake: South Pacific Ocean (Tonga) — January 21, 2003

M 5.6 earthquake: South Pacific Ocean (Tonga) — January 21, 2003. Epicenter 344 km W of Nuku'alofa, depth 600 km, 06:43 Local (2003-01-20 18:43 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (344 km W, Tonga) — -20.393, -178.427

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