According to JMA, a magnitude 4.9 earthquake struck near Southern Ibaraki Prefecture on September 29, 2026. It was recorded at 04:45 AM GMT+9 at a depth of 50 km.
Magnitude and location may later be revised by JMA.
Your location is only used for this calculation and is never stored.
Magnitude
M4.9
Mj · Light
Depth
50 km
Shallow
Time (UTC)
07:45:00 PM
September 28, 2026
Local time
04:45 AM
September 29, 2026 · GMT+9
The epicenter was about 42 km from Kawagoe.
Since this earthquake, 2 earthquakes have been recorded within 50 km of the epicenter; the largest was M3.9.
From 1990 until this earthquake, 869 earthquakes of magnitude 4.5 or greater were recorded within 100 km of the epicenter. The largest was an M6.3 earthquake on June 1, 1990.
Source: USGS earthquake catalogue (ComCat).
The earthquake occurred near Southern Ibaraki Prefecture at 36.100° N, 139.900° E, at a depth of 50 km. The nearest town was Kawagoe, about 42 km away.
JMA reported a magnitude of Mj 4.9 (light). How strongly it was felt, and any damage, also depend on depth, distance from the epicenter and local ground conditions.
Since this earthquake, 2 earthquakes have been recorded within 50 km of the epicenter; the largest was M3.9.
Earthquake data: USGS (public domain); Turkey: AFAD; Europe: EMSC-CSEM SeismicPortal (CC BY 4.0); Japan: JMA; New Zealand: GeoNet (CC BY 3.0 NZ); Australia: Geoscience Australia (CC BY 4.0); Canada: NRCan (OGL-Canada); USGS backup: GFZ GEOFON (CC BY 4.0). Map: © OpenMapTiles © OpenStreetMap contributors. Borders: Natural Earth.