5.0
Earthquake Details: 264 km ESE of Attu Station, Alaska
Sep 4, 2026, 02:28:46
A magnitude 5.0 earthquake occurred near 264 km ESE of Attu Station, Alaska on Sep 4, 2026 at 02:28:46. The seismic event was recorded at a depth of 52 km. A tsunami warning was issued for this event.
Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth52 km
Significance385
Latitude52.1280
Longitude176.9050
Event IDattktivy
Magnitude5.0
Updated:Sep 4, 2026, 02:40:31 UTC
External Resources
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Time & depth
- Local time
- Sep 4, 2026, 02:28:46
- UTC
- Sep 4, 2026, 02:28:46 UTC
52 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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 4, 2026, 02:40 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.