- ShakeAlert – Because seconds matter.
What is ShakeAlert®? The ShakeAlert ® Earthquake Early Warning (EEW) System, managed by the U S Geological Survey, detects significant earthquakes quickly enough so that alerts can be delivered to people and automated systems potentially seconds before strong shaking arrives
- Introduction – ShakeAlert
To advance this goal, the USGS has developed this ShakeAlert Tests, Drills, and Exercises Toolkit to incorporate earthquake early warning (EEW) into existing training activities
- Alert Delivery Thresholds – ShakeAlert
End-users in California, Oregon, and Washington receive ShakeAlert-powered alerts only if certain thresholds for magnitude and shaking intensity are met, as identified below
- ShakeAlert® Messaging Toolkits – ShakeAlert
ShakeAlert ® Messaging Toolkits augment existing earthquake preparedness efforts, offer consistent information about ShakeAlert Earthquake Early Warning System technology, and promote protective actions
- ShakeAlert® System Algorithms
The ShakeAlert System includes the USGS component, plus the pathways by which ShakeAlert-powered products and services are delivered to end-users, such as alerts to a cell phone or computer systems that trigger an automated action, such as slowing or stopping trains
- General Educational Resources – ShakeAlert
Develop educational resources that promote awareness, understanding, and action related to the ShakeAlert System and earthquake science more broadly Engage broad and diverse learners in a variety of educational settings, including formal and free-choice learning environments
- Post ShakeAlert® Message Summaries
They summarize how accurately the ShakeAlert system estimated an earthquake’s location, magnitude, shaking intensities, how much warning time for selected nearby cities, and how many seismic stations contributed data to these estimates
- Caltech – ShakeAlert
In 2016, the USGS began operating a prototype ShakeAlert® system in California, allowing partnering test users to start taking limited actions in response to alerts
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