Areas scarred by the Eaton Fire are at “high to very high risk” of debris flows this week. How do they happen? What is being ...

A third earthquake struck California in less than six hours, this one rocking the city of Hayward near San Francisco and San ...

California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...

A study led by NASA and NOAA has found that California is sinking in some areas, which means the projected sea level rise for ...