5.7
Earthquake Details: near the east coast of Honshu, Japan
8/21/2025, 10:34:46 PM
A magnitude 5.7 earthquake occurred near near the east coast of Honshu, Japan on 8/21/2025 at 10:34:46 PM. The seismic event was recorded at a depth of -58.7 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth-58.7 km
Significance
Latitude38.7460
Longitude141.9836
Event IDemsc:20250821_0000540
Magnitude5.7
Updated:8/22/2025, 6:49:06 AM
External Resources
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Time & depth
- Local time
- 8/22/2025, 7:34:46 AM GMT+9
- UTC
- 8/21/2025, 10:34:46 PM UTC
-58.7 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
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: Aug 22, 2025, 06:49 AM 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.