M 5.5 earthquake near South Pacific Ocean (Tonga) — 1972-12-20

Magnitude 5.5 earthquake near South Pacific Ocean (441 km W, Tonga), depth 595 km, 05:53 Local (1972-12-20 17:53 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (441 km W, Tonga) — -21.817, -179.423

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