International Federation of Digital Seismograph Networks

Y8 (2016-2021): Monitoring Entiat Earthquakes in Chelan County, Washington

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FDSN code Y8 (2016-2021) Network name Monitoring Entiat Earthquakes in Chelan County, Washington (Entiat Earthquake Cluster)
Start year 2016 Operated by
  • Washington State Department of Natural Resources
End year 2021 Deployment region United States of America

Entiat, Chelan County is one of the most seismically active regions in Washington. There are no 3-comp stations to record current shallow earthquake activity in the area. Relocation studies have not been successful for this area due to lack of poor station coverage. USGS is suggesting to install more stations to better record the earthquakes in the area (Tom Brocher, written communications). WA DNR- Geology and Earth Resources will install (5-10) rapid deployment stations to record the earthquakes in this area in next 6 months (maybe with extension of another 6 months). This effort will help understand the earthquake activity caused by an active fault that have not well characterized. This active fault have a potential to generate sizable damaging earthquakes in the area.

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