3.1
Earthquake Details: 123 km WSW of Adak, Alaska
Oct 9, 2026, 00:28:27
A magnitude 3.1 earthquake occurred near 123 km WSW of Adak, Alaska on Oct 9, 2026 at 00:28:27. The seismic event was recorded at a depth of 35 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth35 km
Significance148
Latitude51.3012
Longitude-178.1614
Event IDus6000u1d0
Magnitude3.1
Updated:Oct 10, 2026, 21:10:09 UTC
External Resources
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Time & depth
- Local time
- Oct 9, 2026, 00:28:27
- UTC
- Oct 9, 2026, 00:28:27 UTC
35 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 11
M2.688 km SSE of Adak, AlaskaBeforeM2.8203 km WSW of Adak, AlaskaBeforeM3.9209 km SSE of Atka, AlaskaBeforeM2.687 km SW of Adak, AlaskaBeforeM2.6129 km SW of Adak, AlaskaBeforeM2.5128 km SW of Adak, AlaskaBeforeM2.651 km ENE of Adak, AlaskaBeforeM2.776 km SSW of Adak, AlaskaBeforeM2.7115 km SW of Adak, AlaskaBeforeM2.673 km SW of Atka, AlaskaBeforeM4.2167 km S 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: Oct 10, 2026, 21:10 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.