3.5
Earthquake Details: 236 km ESE of Attu Station, Alaska
Aug 23, 2026, 14:46:42
A magnitude 3.5 earthquake occurred near 236 km ESE of Attu Station, Alaska on Aug 23, 2026 at 14:46:42. The seismic event was recorded at a depth of 67.19 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Technical Details
Depth67.19 km
Significance188
Latitude51.9075
Longitude176.2953
Event IDus6000tn83
Magnitude3.5
Updated:Aug 24, 2026, 20:08:21 UTC
External Resources
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Time & depth
- Local time
- Aug 23, 2026, 14:46:42
- UTC
- Aug 23, 2026, 14:46:42 UTC
67.19 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M4.0232 km ESE of Attu Station, AlaskaBeforeM4.0231 km ESE of Attu Station, AlaskaBeforeM3.7236 km ESE of Attu Station, AlaskaBeforeM3.8234 km ESE of Attu Station, AlaskaBeforeM4.3261 km ESE of Attu Station, AlaskaBeforeM4.0263 km ESE of Attu Station, AlaskaBeforeM3.6234 km ESE of Attu Station, AlaskaBeforeM5.1208 km ESE of Attu Station, AlaskaAfterM5.0228 km ESE of Attu Station, AlaskaAfterM3.6233 km ESE of Attu Station, AlaskaAfterM3.9233 km ESE of Attu Station, AlaskaAfterM3.9229 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 24, 2026, 20:08 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.