3.5
Earthquake Details: 52 km SSW of Adak, Alaska
Sep 1, 2026, 07:56:51
A magnitude 3.5 earthquake occurred near 52 km SSW of Adak, Alaska on Sep 1, 2026 at 07:56:51. The seismic event was recorded at a depth of 22.9 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth22.9 km
Significance188
Latitude51.4320
Longitude-176.8800
Event IDaka2026rhlfov
Magnitude3.5
Updated:Sep 1, 2026, 20:21:40 UTC
External Resources
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Time & depth
- Local time
- Sep 1, 2026, 07:56:51
- UTC
- Sep 1, 2026, 07:56:51 UTC
22.9 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M3.7100 km SE of Atka, AlaskaBeforeM3.792 km SE of Atka, AlaskaBeforeM3.2234 km WSW of Adak, AlaskaBeforeM3.1200 km W of Adak, AlaskaBeforeM3.1114 km SW of Adak, AlaskaBeforeM3.058 km SSW of Adak, AlaskaBeforeM3.871 km SSE of Adak, AlaskaAfterM4.067 km SSE of Adak, AlaskaAfterM3.5160 km SW of Adak, AlaskaAfterM3.5159 km SW of Adak, AlaskaAfterM3.060 km SSE of Atka, AlaskaAfterM3.167 km SSE 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 1, 2026, 20:21 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.