Seismic event — 155 km SSE of Hihifo, Tonga

Seismic·● resolved·Tier 3 · sober·34d active

Level6.9/ 10

Signals

MagnitudeM5.3
Other M5.0+ in 24h5

Cite this situation

Monitoring Room, "Seismic event — 155 km SSE of Hihifo, Tonga", situation page, level 6.9/10 (Monitoring Room's 0–10 severity score), as of 2026-09-17 04:06 UTC, source: USGS. https://monitoringroom.com/s/seismic-us7000thz3

Call what happens next

Will a magnitude 6.0+ earthquake strike the Japan region between 19–25 October 2026?No calls yet — be first · as of 04:05 UTC
Will a magnitude 5.5+ earthquake strike the California region between 6–31 October 2026?No calls yet — be first · as of 04:05 UTC
Will a magnitude 6.0+ earthquake strike the Indonesia region between 6–31 October 2026?No calls yet — be first · as of 04:05 UTC

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