4.5
Earthquake Details: Bonin Islands, Japan region
Aug 21, 2026, 15:08:30
A magnitude 4.5 earthquake occurred near Bonin Islands, Japan region on Aug 21, 2026 at 15:08:30. The seismic event was recorded at a depth of 10 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth10 km
Significance312
Latitude28.4731
Longitude142.6360
Event IDus6000tmiz
Magnitude4.5
Updated:Aug 21, 2026, 15:41:56 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Aug 22, 2026, 00:08:30 GMT+9
- UTC
- Aug 21, 2026, 15:08:30 UTC
10 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 1
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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: Aug 21, 2026, 15:41 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.