M 4.8 earthquake: South Pacific Ocean (Tonga) — March 21, 1988

M 4.8 earthquake: South Pacific Ocean (Tonga) — March 21, 1988. Epicenter 350 km W of Nuku'alofa, depth 595 km, 12:53 Local (1988-03-21 00:53 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (350 km W, Tonga) — -19.946, -178.331

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