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  • Revised technical implementation plan for the ShakeAlert system - An earthquake early warning system for the West Coast of the United States
    https://www.preventionweb.net/go/68069

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Revised technical implementation plan for the ShakeAlert system - An earthquake early warning system for the West Coast of the United States

Source(s):  United States Geological Survey (USGS)

The U.S. Geological Survey (USGS), along with partner organizations, has developed an earthquake early warning (EEW) system called ShakeAlert for the highest risk areas of the United States: namely, California, Oregon, and Washington. The purpose of the system is to reduce the impact of earthquakes and save lives and property by providing alerts to institutional users and the public. Using networks of ground-motion sensors and sophisticated computer algorithms, ShakeAlert can detect an earthquake seconds after it begins, calculate its location and magnitude, and estimate the resulting intensity of shaking. Alerts can then be sent to people and systems that may experience damaging shaking, allowing them to take appropriate protective actions. Depending on the user’s distance from the earthquake, alerts may be delivered before, during, or after the arrival of strong shaking.



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  • Revised technical implementation plan for the ShakeAlert system - An earthquake early warning system for the West Coast of the United States
  • Publication date 2019
  • Author(s) Given, Douglas D.; Allen, Richard M.; Baltay, Annemarie S. et al.
  • Number of pages 42 p.

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