M 5.0 earthquake near South Pacific Ocean (Tonga) — 1977-01-20

Magnitude 5.0 earthquake near South Pacific Ocean (551 km SW, Tonga), depth 546 km, 00:33 Local (1977-01-20 12:33 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (551 km SW, Tonga) — -23.544, -179.91

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