3.9

Earthquake Details: 91 km SSW of Nikolski, Alaska

Sep 4, 2026, 14:39:54

A magnitude 3.9 earthquake occurred near 91 km SSW of Nikolski, Alaska on Sep 4, 2026 at 14:39:54. The seismic event was recorded at a depth of 35 km. No tsunami warning was issued.

No Tsunami WarningStatus: ReviewedType: Earthquake

Regional Seismicity

View recent seismic activity near this event:

Technical Details

Depth35 km
Significance234
Latitude52.2007
Longitude-169.4478
Event IDus7000tecc
Magnitude3.9
Updated:Sep 5, 2026, 16:49:46 UTC

External Resources

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Time & depth

Local time
Sep 4, 2026, 14:39:54
UTC
Sep 4, 2026, 14:39:54 UTC
35 km · Shallow-focus

Less than 70 km deep. Shaking is often stronger near the epicentre.

Nearby event sequence · 12
M4.998 km SSW of Nikolski, AlaskaBeforeM5.295 km SSW of Nikolski, AlaskaBeforeM5.191 km SSW of Nikolski, AlaskaBeforeM4.985 km SSW of Nikolski, AlaskaBeforeM5.278 km SSW of Nikolski, AlaskaBeforeM6.191 km SSW of Nikolski, AlaskaBeforeM6.2105 km SSW of Nikolski, AlaskaBeforeM6.384 km SSW of Nikolski, AlaskaBeforeM4.892 km SSW of Nikolski, AlaskaBeforeM5.297 km SSW of Nikolski, AlaskaBeforeM4.981 km SW of Nikolski, AlaskaBeforeM4.990 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 5, 2026, 16:49 UTC.

Data sources: