3.1
Earthquake Details: 82 km SW of Adak, Alaska
Sep 28, 2026, 00:02:21
A magnitude 3.1 earthquake occurred near 82 km SW of Adak, Alaska on Sep 28, 2026 at 00:02:21. The seismic event was recorded at a depth of 19.7 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth19.7 km
Significance148
Latitude51.3820
Longitude-177.5200
Event IDaka2026terzmg
Magnitude3.1
Updated:Sep 28, 2026, 21:02:10 UTC
External Resources
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Time & depth
- Local time
- Sep 28, 2026, 00:02:21
- UTC
- Sep 28, 2026, 00:02:21 UTC
19.7 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 28, 2026, 21:02 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.