M 4.5 earthquake: South Pacific Ocean (Tonga) — August 20, 1999

M 4.5 earthquake: South Pacific Ocean (Tonga) — August 20, 1999. Epicenter 408 km NW of Neiafu, depth 33 km, 14:13 Local (1999-08-21 02:13 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (408 km NW, Tonga) — -15.829, -176.444

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