Entire U.S. West Coast Now Covered By Earthquake Early Warning System
Cell phone users from the U.S. border with Canada south to the border with Mexico should receive a mobile alert from the early warning system when an earthquake is detected.
Read more on NPR
Cell phone users from the U.S. border with Canada south to the border with Mexico should receive a mobile alert from the early warning system when an earthquake is detected.
Read more on NPR
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