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The ShakeAlert Earthquake Early Warning System is now the first in the world to use geodetic data! Scientists at the Pacific Northwest Seismic Network developed a new algorithm called GFAST that helps ShakeAlert to more accurately estimate the size of very large earthquakes. Learn all about it from our newest blog post! ShakeAlert has always used data from seismic stations to rapidly calculate earthquake location and magnitude. These values have been calculated using the EPIC and FinDer algorith
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