San Gabriel Valley 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 done to prepare? And what do survivors of a catastrophic ...

This is the fourth eartquake to hit California with others felt across the region including shaking in San Bernardino, ...

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.