Light earthquake
M4.7 Earthquake — 139 km NNE of Hihifo, Tonga
2026-09-09 12:18 UTC · -14.88°, -173.12°
A magnitude 4.7 (light) earthquake struck 139 km NNE of Hihifo, Tonga on 2026-09-09 12:18 UTC, at a depth of 10 km. See it live on Earth Live's real-time 3D globe.
M4.7
Magnitude
10 km
Depth
169 t
TNT equivalent
~644 km
Felt radius (est.)
Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.