The state worked with the U.S. Geological Survey and Google, the maker of Android, to build the quake alerts into all phones that run the commonplace operating system.
(AP Photo/Reed Saxon, File)SACRAMENTO, Calif. Android phones will be used to sense earthquakes around the world and may one day be able to provide global warnings, with the first mass alert system unveiled Tuesday in California, Google announced.
Google, which helped develop Android, worked with California and the U.S. Geological Survey to build the quake alerts into all phones that run the commonplace mobile operating system.
By contrast, many millions of people own Android phones.
Also Tuesday, Google announced that Android phones will begin detecting earthquakes from around the world through their motion-sensing accelerometers.