3.1
Earthquake Details: 118 km ESE of Atka, Alaska
Sep 12, 2026, 07:22:53
A magnitude 3.1 earthquake occurred near 118 km ESE of Atka, Alaska on Sep 12, 2026 at 07:22:53. The seismic event was recorded at a depth of 10.9 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth10.9 km
Significance148
Latitude51.8260
Longitude-172.5840
Event IDaka2026sbsiuh
Magnitude3.1
Updated:Sep 12, 2026, 16:36:09 UTC
External Resources
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Time & depth
- Local time
- Sep 12, 2026, 07:22:53
- UTC
- Sep 12, 2026, 07:22:53 UTC
10.9 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M3.2155 km SW of Adak, AlaskaBeforeM5.7152 km SW of Adak, AlaskaBeforeM5.2152 km WSW of Adak, AlaskaBeforeM5.3151 km WSW of Adak, AlaskaBeforeM3.1152 km SW of Adak, AlaskaBeforeM4.3151 km SW of Adak, AlaskaBeforeM3.5151 km SW of Adak, AlaskaBeforeM3.1223 km SSE of Atka, AlaskaBeforeM3.690 km SSW of Unalaska, AlaskaAfterM3.686 km SSW of Unalaska, AlaskaAfterM4.2157 km WSW of Adak, AlaskaAfterM3.9150 km WSW 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 12, 2026, 16:36 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.