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
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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 · 10
M2.974 km S of Nikolski, AlaskaAfterM3.1103 km SW of Atka, AlaskaAfterM2.7198 km WSW of Adak, AlaskaAfterM3.7100 km SE of Atka, AlaskaAfterM3.792 km SE of Atka, AlaskaAfterM2.8239 km WSW of Adak, AlaskaAfterM2.875 km SE of Adak, AlaskaAfterM2.519 km NW of Atka, AlaskaAfterM2.895 km SE of Atka, AlaskaAfterM2.776 km SSE of Adak, 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 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.