Upgraded Quake Warning System Will Alert Californians a Few Seconds Sooner

Published on June 6, 2024

Californians could get faster earthquake alerts after scientists added new real-time satellite sensors to the state’s ShakeAlert system. The U.S. Geological Survey (USGS) and its partners announced the upgrades June 5, which they say will help inform the public about potentially damaging quakes faster. “While rare, earthquakes greater than magnitude 7 can have the greatest impact on human lives and infrastructure,” said Robert de Groot, a member of the USGS ShakeAlert Operations Team. The USGS began developing the ShakeAlert system in 2006 and deployed it in California in 2019, expanding to Oregon and Washington in 2021. System alerts are triggered for quakes of magnitude 4.5 or higher....