3.1
Earthquake Details: 152 km SW of Adak, Alaska
Sep 11, 2026, 10:51:55
A magnitude 3.1 earthquake occurred near 152 km SW of Adak, Alaska on Sep 11, 2026 at 10:51:55. The seismic event was recorded at a depth of 18.8 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth18.8 km
Significance148
Latitude51.0870
Longitude-178.4380
Event IDaka2026sadhaz
Magnitude3.1
Updated:Sep 11, 2026, 15:56:11 UTC
External Resources
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Time & depth
- Local time
- Sep 11, 2026, 10:51:55
- UTC
- Sep 11, 2026, 10:51:55 UTC
18.8 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M2.5205 km W of Adak, AlaskaBeforeM2.586 km SW of Atka, AlaskaBeforeM2.5225 km WSW of Adak, AlaskaBeforeM2.5232 km SSW of Adak, AlaskaBeforeM2.5181 km WSW of Adak, AlaskaBeforeM5.7152 km SW of Adak, AlaskaBeforeM5.2152 km WSW of Adak, AlaskaBeforeM5.3151 km WSW of Adak, AlaskaBeforeM4.3151 km SW of Adak, AlaskaAfterM2.5135 km SW of Adak, AlaskaAfterM2.5152 km SW of Adak, AlaskaAfterM2.6174 km W of Adak, 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 11, 2026, 15:56 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.