Earthquake early warning system expands to entire West Coast
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Elizabeth Sanchez, 30, owner of CyBelle’s Pizza, located at 1422 Broadway St., in Oakland, Calif., shows an earthquake emergency alert that was sent to her employee’s cellphone on Wednesday, March 27, 2019. State authorities announced the launch of an early warning app for the entire state on Thursday.Yalonda M James / The Chronicle
An earthquake early warning system that’s been 15 years in the making is now available to more than 50 million people along the entire West Coast, the most earthquake-prone region in the U.S., the United States Geological Survey announced Tuesday.