At least 20,000 people got the apps’ messages, with more getting notice from FEMA and Google, said USGS’s Robert de Groot, the national coordinator of outreach and education for ShakeAl…
Santa Rosa’s earthquake gave the Bay Area its first real test of the nation’s new ShakeAlert system, and it was a qualified success, warning thousands of residents on Tuesday night with a loud alarm and instructions to seek cover.
After more than a decade in development, the ShakeAlert system is finally a reality for over 50 million West Coast residents. Created by the U.S. Geological Survey, it is 81% complete, with more than 903 buried sensors in California that can mobilize cellphone users who are at risk. When complete, it will have 1,115 sensors and quicker transmission time.
In some spots, it was overenthusiastic, puncturing the serenity of a seismically uneventful evening. “The alert scared me to death,” wrote Anna Boucher, of San Rafael, who said she did not experience any shaking. While there were few reports of damage or injury, the city has dispatched public works employees to assess possible damage to essential services and city infrastructure.
UGSG has prioritized high-population areas, especially those located near major faults, in its ‘build up’ strategy. Businesses and public agencies such as BART are already acting on alerts from the system.
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