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Light earthquake

M4.7 Earthquake — 6 km W of Onna, Japan

2026-08-21 00:01 UTC · 26.48°, 127.79°

A magnitude 4.7 (light) earthquake struck 6 km W of Onna, Japan on 2026-08-21 00:01 UTC, at a depth of 44 km. See it live on Earth Live's real-time 3D globe.

M4.7
Magnitude
44 km
Depth
169 t
TNT equivalent
~491 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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