4.2
Earthquake Details: 99 km SSW of Nikolski, Alaska
Sep 1, 2026, 08:18:45
A magnitude 4.2 earthquake occurred near 99 km SSW of Nikolski, Alaska on Sep 1, 2026 at 08:18:45. The seismic event was recorded at a depth of 8.1 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth8.1 km
Significance271
Latitude52.0710
Longitude-169.2210
Event IDaka2026rhlymu
Magnitude4.2
Updated:Sep 1, 2026, 17:17:50 UTC
External Resources
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Time & depth
- Local time
- Sep 1, 2026, 08:18:45
- UTC
- Sep 1, 2026, 08:18:45 UTC
8.1 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M5.177 km SSW of Nikolski, AlaskaBeforeM5.389 km SSW of Nikolski, AlaskaBeforeM5.293 km SSW of Nikolski, AlaskaBeforeM4.5105 km SSW of Nikolski, AlaskaBeforeM4.590 km SSW of Nikolski, AlaskaBeforeM4.684 km SSW of Nikolski, AlaskaAfterM4.998 km SSW of Nikolski, AlaskaAfterM4.892 km SSW of Nikolski, AlaskaAfterM5.295 km SSW of Nikolski, AlaskaAfterM5.191 km SSW of Nikolski, AlaskaAfterM4.985 km SSW of Nikolski, AlaskaAfterM4.6101 km SSW 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 1, 2026, 17:17 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.