2.9
Earthquake Details: 40 km NE of Atka, Alaska
Aug 28, 2026, 17:54:37
A magnitude 2.9 earthquake occurred near 40 km NE of Atka, Alaska on Aug 28, 2026 at 17:54:37. The seismic event was recorded at a depth of 181.813 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth181.813 km
Significance129
Latitude52.4931
Longitude-173.8504
Event IDus7000tcq4
Magnitude2.9
Updated:Aug 29, 2026, 12:38:19 UTC
External Resources
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Time & depth
- Local time
- Aug 28, 2026, 17:54:37
- UTC
- Aug 28, 2026, 17:54:37 UTC
181.813 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby event sequence · 12
M5.177 km SSW of Nikolski, AlaskaAfterM5.389 km SSW of Nikolski, AlaskaAfterM5.293 km SSW of Nikolski, AlaskaAfterM4.5105 km SSW of Nikolski, AlaskaAfterM4.590 km SSW of Nikolski, AlaskaAfterM4.684 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: Aug 29, 2026, 12:38 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.