4.0
Earthquake Details: 75 km SE of Adak, Alaska
Oct 2, 2026, 06:02:57
A magnitude 4.0 earthquake occurred near 75 km SE of Adak, Alaska on Oct 2, 2026 at 06:02:57. The seismic event was recorded at a depth of 17.3 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth17.3 km
Significance246
Latitude51.3280
Longitude-175.9930
Event IDaka2026tmocjx
Magnitude4.0
Updated:Oct 2, 2026, 12:46:47 UTC
External Resources
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Time & depth
- Local time
- Oct 2, 2026, 06:02:57
- UTC
- Oct 2, 2026, 06:02:57 UTC
17.3 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 2, 2026, 12:46 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.