4.2
Earthquake Details: 6 km N of Ashikaga, Japan
Aug 25, 2026, 23:33:14
A magnitude 4.2 earthquake occurred near 6 km N of Ashikaga, Japan on Aug 25, 2026 at 23:33:14. The seismic event was recorded at a depth of 78.342 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth78.342 km
Significance271
Latitude36.3955
Longitude139.4387
Event IDus7000tddv
Magnitude4.2
Updated:Sep 1, 2026, 23:31:05 UTC
External Resources
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Time & depth
- Local time
- Aug 26, 2026, 08:33:14 GMT+9
- UTC
- Aug 25, 2026, 23:33:14 UTC
78.342 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
Nearby event sequence · 8
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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Sep 1, 2026, 23:31 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.