M 4.8 Earthquake: South Pacific Ocean (Tonga) — May 4, 1975

M 4.8 Earthquake: South Pacific Ocean (Tonga) — May 4, 1975. Epicenter 322 km W of Nuku'alofa, depth 560 km, 09:19 Local (1975-05-04 21:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (322 km W, Tonga) — -20.693, -178.287

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