4.0
Earthquake Details: 91 km S of Nikolski, Alaska
Sep 6, 2026, 15:28:07
A magnitude 4.0 earthquake occurred near 91 km S of Nikolski, Alaska on Sep 6, 2026 at 15:28:07. The seismic event was recorded at a depth of 5.2 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth5.2 km
Significance246
Latitude52.1300
Longitude-169.1130
Event IDaka2026rrgjrx
Magnitude4.0
Updated:Sep 6, 2026, 18:30:02 UTC
External Resources
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Time & depth
- Local time
- Sep 6, 2026, 15:28:07
- UTC
- Sep 6, 2026, 15:28:07 UTC
5.2 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M4.578 km SSW of Nikolski, AlaskaBeforeM4.482 km SSW of Nikolski, AlaskaBeforeM4.881 km SSW of Nikolski, AlaskaBeforeM4.365 km SW of Nikolski, AlaskaBeforeM5.3104 km SSW of Nikolski, AlaskaBeforeM5.393 km SSW of Nikolski, AlaskaBeforeM4.275 km SSW of Nikolski, AlaskaBeforeM5.5100 km S of Nikolski, AlaskaBeforeM5.293 km SSW of Nikolski, AlaskaBeforeM4.288 km SSW of Nikolski, AlaskaBeforeM3.9111 km SSW of Nikolski, AlaskaBeforeM4.1104 km SSW of Nikolski, AlaskaBefore
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 6, 2026, 18:30 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.