M 4.5 earthquake: South Pacific Ocean (Tonga) — March 29, 1978

M 4.5 earthquake: South Pacific Ocean (Tonga) — March 29, 1978. Epicenter 316 km W of Nuku'alofa, depth 538 km, 15:28 Local (1978-03-30 03:28 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (316 km W, Tonga) — -20.621, -178.21

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