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Light earthquake

M4.6 Earthquake — 286 km WNW of Houma, Tonga

2026-06-18 21:09 UTC · -19.90°, -177.69°

A magnitude 4.6 (light) earthquake struck 286 km WNW of Houma, Tonga on 2026-06-18 21:09 UTC, at a depth of 550 km. See it live on Earth Live's real-time 3D globe.

M4.6
Magnitude
550 km
Depth
120 t
TNT equivalent
~97 km
Felt radius (est.)
🌍 View live on the 3D globe →

Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.

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