M 4.7 Earthquake: South Pacific Ocean (Tonga) — June 28, 1988

M 4.7 Earthquake: South Pacific Ocean (Tonga) — June 28, 1988. Epicenter 394 km W of Nuku'alofa, depth 627 km, 00:08 Local (1988-06-27 12:08 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (394 km W, Tonga) — -20.846, -179.004

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