A magnitude 6.3 earthquake was recorded 84 km SSW of Nikolski, Alaska on September 3, 2026 at 11:17 UTC, according to the United States Geological Survey (USGS).
Strong M6.3 earthquake recorded near Nikolski, Alaska
USGS data place the earthquake at a depth of approximately 35.0 km, with epicentral coordinates near 52.258, -169.409.
Where was the earthquake located?
The reported location was 84 km SSW of Nikolski, Alaska. The earthquake parameters may be refined as additional seismic data are reviewed.
What we know so far
The available USGS data confirm the magnitude, location, depth and origin time of the earthquake. Information about its effects can change as additional reports become available.
The USGS event data showed 2 submitted felt reports when this draft was generated. This figure may change.
Tsunami information
The USGS structured event feed carries a tsunami-related flag. This is not, by itself, an official tsunami warning. Check the appropriate official warning center and local authorities before publication.
Earthquake details
- Magnitude: M6.3
- Location: 84 km SSW of Nikolski, Alaska
- Depth: 35.0 km
- Time: September 3, 2026 at 11:17 UTC
- Coordinates: 52.258, -169.409
- Magnitude type: mww
- USGS status: reviewed
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