Humboldt County earthquake puts California's early warning system to the test
The temblor Tuesday was the biggest test yet to the ShakeAlert system since it launched in 2019.
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The temblor Tuesday was the biggest test yet to the ShakeAlert system since it launched in 2019.
An earthquake warning system operated by the U.S. Geological Survey warned 3 million people about a quake that jolted Northern California's coast.
California earthquake puts early warning system to the test | 2022-12-23 01:53:02
An earthquake warning system operated by the U.S. Geological Survey warned 3 million people about a quake that jolted Northern California's coast
An earthquake warning system operated by the U.S. Geological Survey warned 3 million people about a quake that jolted Northern California's coast