M 5.5 earthquake near South Pacific Ocean (Tonga) — 1978-05-01

Magnitude 5.5 earthquake near South Pacific Ocean (317 km NW, Tonga), depth 578 km, 18:06 Local (1978-05-01 06:06 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (317 km NW, Tonga) — -19.25, -177.498

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