Here's why experts are warning California about 'The Big One'

Earthquake experts have long warned of a looming "Big One" that will have devastating impacts. A study says warning signs ...

Northern California shaken by moderate earthquake; USGS Shake Alert activated

Northern California received a jolt in the form of a moderate earthquake on Wednesday morning, not far from Redwood Valley. Preliminary reports from the U.S. Geological Survey sai ...

Magnitude 4.1 earthquake strikes Nevada, outside of Las Vegas: USGS

Magnitude 4.1 earthquake hits near Las Vegas, USGS says after shallow tremor in Summerlin South.
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California earthquakes have shifted the state for centuries

California is shifting about 45–50 millimeters per year as tectonic plates slide past each other along major faults. New research shows Southern California fault systems are highly strained after ...

Inside California’s early earthquake warning system as NorCal, Japan, Venezuela rattled

As earthquakes struck from California to Venezuela to Japan, millions of people received warnings on their mobile phones, providing critical seconds to seek protection. Venezuela ...