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 51.72 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Technical Details
Depth51.72 km
Significance121
Latitude51.7280
Longitude-174.3301
Event IDus6000tn78
Magnitude2.8
Updated:Aug 26, 2026, 05:23:15 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
51.72 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M2.8154 km SSE of Atka, AlaskaAfterM3.9134 km E of Atka, AlaskaAfterM2.992 km SE of Atka, AlaskaAfterM3.5135 km SW of Adak, AlaskaAfterM3.5134 km SW of Adak, AlaskaAfterM2.940 km NE of Atka, AlaskaAfterM3.2166 km WSW of Adak, AlaskaAfterM3.1162 km WSW of Adak, AlaskaAfterM2.974 km S of Nikolski, AlaskaAfterM3.1103 km SW of Atka, AlaskaAfterM3.7100 km SE of Atka, AlaskaAfterM3.792 km SE of Atka, 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 26, 2026, 05:23 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.