3.3
Earthquake Details: Rat Islands, Aleutian Islands, Alaska
Sep 4, 2026, 16:33:04
A magnitude 3.3 earthquake occurred near Rat Islands, Aleutian Islands, Alaska on Sep 4, 2026 at 16:33:04. The seismic event was recorded at a depth of 10 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth10 km
Significance168
Latitude50.1674
Longitude179.5213
Event IDus7000tecs
Magnitude3.3
Updated:Sep 5, 2026, 17:07:30 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 4, 2026, 16:33:04
- UTC
- Sep 4, 2026, 16:33:04 UTC
10 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 8
M2.5Rat Islands, Aleutian Islands, AlaskaBeforeM4.1231 km ESE of Attu Station, AlaskaBeforeM4.2234 km ESE of Attu Station, AlaskaBeforeM5.0236 km ESE of Attu Station, AlaskaBeforeM5.0264 km ESE of Attu Station, AlaskaBeforeM3.5Rat Islands, Aleutian Islands, AlaskaBeforeM3.0Rat 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 5, 2026, 17:07 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.