5.0
Earthquake Details: 231 km ESE of Attu Station, Alaska
Aug 23, 2026, 23:20:34
A magnitude 5.0 earthquake occurred near 231 km ESE of Attu Station, Alaska on Aug 23, 2026 at 23:20:34. The seismic event was recorded at a depth of 8.129 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Technical Details
Depth8.129 km
Significance385
Latitude52.1915
Longitude176.4305
Event IDus6000tn19
Magnitude5.0
Updated:Aug 30, 2026, 04:47:30 UTC
External Resources
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Time & depth
- Local time
- Aug 23, 2026, 23:20:34
- UTC
- Aug 23, 2026, 23:20:34 UTC
8.129 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 8
M3.3237 km ESE of Attu Station, AlaskaAfterM3.2Rat Islands, Aleutian Islands, AlaskaAfterM3.7228 km ESE of Attu Station, AlaskaAfterM3.7232 km ESE of Attu Station, AlaskaAfterM2.8Rat Islands, Aleutian Islands, AlaskaAfterM3.1238 km W of Adak, AlaskaAfterM2.7250 km W of Adak, AlaskaAfterM3.2231 km ESE of Attu Station, 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 30, 2026, 04:47 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.