M 5.4 earthquake: South Pacific Ocean (Tonga) — January 4, 2010

M 5.4 earthquake: South Pacific Ocean (Tonga) — January 4, 2010. Epicenter 390 km W of Nuku'alofa, depth 620 km, 23:04 Local (2010-01-04 10:04 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (390 km W, Tonga) — -20.959, -178.977

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