M 5.0 earthquake: South Pacific Ocean (Tonga) — August 4, 1999

M 5.0 earthquake: South Pacific Ocean (Tonga) — August 4, 1999. Epicenter 381 km NW of Nuku'alofa, depth 579 km, 12:17 Local (1999-08-05 00:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (381 km NW, Tonga) — -18.859, -177.943

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