ShakeAlert

In Oregon, Washington State and California, an early warning system helps citizens and officials better prepare for and respond to earthquakes. In the early morning hours on August 24, 2014, scientists at UC Berkeley received a “ShakeAlert” – an alarm providing warning of a pending earthquake. Five seconds later, the city of Napa felt a magnitude 6.0 earthquake. That five-second warning was an early success for a broader goal: the creation of an earthquake early warning system that can communicate the size, extent and timing of imminent earthquakes on the West Coast...

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