Light earthquake
M4.6 Earthquake — 48 km ESE of Iwaki, Japan
2026-08-27 19:45 UTC · 36.91°, 141.40°
A magnitude 4.6 (light) earthquake struck 48 km ESE of Iwaki, Japan on 2026-08-27 19:45 UTC, at a depth of 49 km. See it live on Earth Live's real-time 3D globe.
M4.6
Magnitude
49 km
Depth
120 t
TNT equivalent
~423 km
Felt radius (est.)
Source: USGS event page. Energy and felt-radius figures are standard seismological estimates, not official assessments.