4.1
Earthquake Details: 93 km SW of Atka, Alaska
Oct 3, 2026, 16:06:51
A magnitude 4.1 earthquake occurred near 93 km SW of Atka, Alaska on Oct 3, 2026 at 16:06:51. The seismic event was recorded at a depth of 50.31 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth50.31 km
Significance259
Latitude51.6964
Longitude-175.2905
Event IDus6000tzda
Magnitude4.1
Updated:Oct 3, 2026, 18:22:38 UTC
External Resources
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Time & depth
- Local time
- Oct 3, 2026, 16:06:51
- UTC
- Oct 3, 2026, 16:06:51 UTC
50.31 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 2
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: Oct 3, 2026, 18:22 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.