M 4.8 earthquake: South Pacific Ocean (Tonga) — May 21, 1976

M 4.8 earthquake: South Pacific Ocean (Tonga) — May 21, 1976. Epicenter 532 km SW of Nuku'alofa, depth 611 km, 05:41 Local (1976-05-21 17:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (532 km SW, Tonga) — -23.151, -179.909

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