M 4.6 Earthquake: South Pacific Ocean (Tonga) — August 23, 1988

M 4.6 Earthquake: South Pacific Ocean (Tonga) — August 23, 1988. Epicenter 360 km NW of Nuku'alofa, depth 639 km, 22:07 Local (1988-08-24 10:07 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (360 km NW, Tonga) — -18.833, -177.643

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