4.1
Earthquake Details: 231 km ESE of Attu Station, Alaska
Sep 3, 2026, 17:40:07
A magnitude 4.1 earthquake occurred near 231 km ESE of Attu Station, Alaska on Sep 3, 2026 at 17:40:07. The seismic event was recorded at a depth of 19.2 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth19.2 km
Significance259
Latitude52.0982
Longitude176.3604
Event IDus7000te2d
Magnitude4.1
Updated:Sep 3, 2026, 19:35:18 UTC
External Resources
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Time & depth
- Local time
- Sep 3, 2026, 17:40:07
- UTC
- Sep 3, 2026, 17:40:07 UTC
19.2 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 8
M2.5Rat Islands, Aleutian Islands, AlaskaBeforeM4.2234 km ESE of Attu Station, AlaskaAfterM5.0236 km ESE of Attu Station, AlaskaAfterM5.0264 km ESE of Attu Station, AlaskaAfterM3.5Rat Islands, Aleutian Islands, AlaskaAfterM3.3Rat Islands, Aleutian Islands, AlaskaAfterM3.0Rat Islands, Aleutian Islands, AlaskaAfterM3.3Rat Islands, Aleutian Islands, 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, 19:35 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.