M 5.0 earthquake: South Pacific Ocean (Tonga) — April 13, 1980

M 5.0 earthquake: South Pacific Ocean (Tonga) — April 13, 1980. Epicenter 347 km SW of Nuku'alofa, depth 156 km, 07:06 Local (1980-04-13 19:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (347 km SW, Tonga) — -23.904, -176.792

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