2.8
Earthquake Details: 52 km S of Atka, Alaska
Aug 23, 2026, 07:56:31
A magnitude 2.8 earthquake occurred near 52 km S of Atka, Alaska on Aug 23, 2026 at 07:56:31. The seismic event was recorded at a depth of 51.98 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth51.98 km
Significance121
Latitude51.7271
Longitude-174.3300
Event IDus6000tn78
Magnitude2.8
Updated:Sep 3, 2026, 06:32:07 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Aug 23, 2026, 07:56:31
- UTC
- Aug 23, 2026, 07:56:31 UTC
51.98 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 1
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 3, 2026, 06:32 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.