3.9
Earthquake Details: 166 km WSW of Nikolski, Alaska
Sep 22, 2026, 00:44:43
A magnitude 3.9 earthquake occurred near 166 km WSW of Nikolski, Alaska on Sep 22, 2026 at 00:44:43. The seismic event was recorded at a depth of 129.47 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth129.47 km
Significance234
Latitude52.2461
Longitude-171.0441
Event IDus7000tj31
Magnitude3.9
Updated:Sep 22, 2026, 04:59:21 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 22, 2026, 00:44:43
- UTC
- Sep 22, 2026, 00:44:43 UTC
129.47 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby event sequence · 12
M4.0166 km SW of Nikolski, AlaskaBeforeM4.086 km SSW of Nikolski, AlaskaBeforeM4.085 km SSW of Nikolski, AlaskaBeforeM3.7159 km WSW of Nikolski, AlaskaBeforeM4.6102 km WSW of Nikolski, AlaskaBeforeM3.5168 km SW of Nikolski, AlaskaBeforeM3.5145 km SW of Nikolski, AlaskaBeforeM3.6142 km SW of Nikolski, AlaskaBeforeM3.6167 km WSW of Nikolski, AlaskaBeforeM3.9167 km WSW of Nikolski, AlaskaAfterM3.7155 km SW of Nikolski, AlaskaAfterM3.8136 km SW of Nikolski, AlaskaAfter
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 22, 2026, 04:59 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.