M 5.0 Earthquake: South Pacific Ocean (Tonga) — June 17, 1977

M 5.0 Earthquake: South Pacific Ocean (Tonga) — June 17, 1977. Epicenter 303 km W of Nuku'alofa, depth 567 km, 22:04 Local (1977-06-18 10:04 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (303 km W, Tonga) — -20.288, -177.989

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