M 4.9 earthquake: South Pacific Ocean (Tonga) — January 28, 1999

M 4.9 earthquake: South Pacific Ocean (Tonga) — January 28, 1999. Epicenter 319 km NW of Nuku'alofa, depth 600 km, 02:05 Local (1999-01-28 14:05 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (319 km NW, Tonga) — -19.281, -177.552

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