3.9
Earthquake Details: 260 km ESE of Attu Station, Alaska
Sep 7, 2026, 01:02:43
A magnitude 3.9 earthquake occurred near 260 km ESE of Attu Station, Alaska on Sep 7, 2026 at 01:02:43. The seismic event was recorded at a depth of 18.4 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth18.4 km
Significance234
Latitude51.7310
Longitude176.5500
Event IDaka2026rrznwc
Magnitude3.9
Updated:Sep 7, 2026, 02:24:59 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 7, 2026, 01:02:43
- UTC
- Sep 7, 2026, 01:02:43 UTC
18.4 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 7
M5.0236 km ESE of Attu Station, AlaskaBeforeM5.0264 km ESE of Attu Station, AlaskaBeforeM3.5Rat Islands, Aleutian Islands, AlaskaBeforeM3.3Rat Islands, Aleutian Islands, AlaskaBeforeM3.0Rat Islands, Aleutian Islands, AlaskaBeforeM3.3Rat Islands, Aleutian Islands, AlaskaBeforeM3.7262 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: Sep 7, 2026, 02:24 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.