M 5.4 earthquake: South Pacific Ocean (Tonga) — May 29, 1981

M 5.4 earthquake: South Pacific Ocean (Tonga) — May 29, 1981. Epicenter 401 km S of Nuku'alofa, depth 43 km, 00:26 Local (1981-05-29 12:26 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (401 km S, Tonga) — -24.546, -176.516

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