3.5
Earthquake Details: 134 km SW of Adak, Alaska
Sep 13, 2026, 10:02:36
A magnitude 3.5 earthquake occurred near 134 km SW of Adak, Alaska on Sep 13, 2026 at 10:02:36. The seismic event was recorded at a depth of 20 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth20 km
Significance188
Latitude51.0430
Longitude-178.0360
Event IDaka2026sdtrjk
Magnitude3.5
Updated:Sep 13, 2026, 16:06:23 UTC
External Resources
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Time & depth
- Local time
- Sep 13, 2026, 10:02:36
- UTC
- Sep 13, 2026, 10:02:36 UTC
20 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M3.070 km SSW of Atka, 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, AlaskaBeforeM3.1118 km ESE of Atka, AlaskaBeforeM2.9south of Aleutian IslandsBeforeM4.2157 km WSW of Adak, AlaskaBeforeM3.9150 km WSW of Adak, AlaskaBefore
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 13, 2026, 16:06 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.