A new study on the Cascadia fault line breaks down the flooding potential of a 9.0 earthquake, calculating the risk of where ...

A map shows areas in California where temperatures are expected to surpass 100 this week. There has been an early-season heat wave in Southern and Central California. On Monday, people in four states ...

Here’s what journalists need to know about this burgeoning market — plus, five big questions to start digging into.

Data: Ohenhen, et al., 2025, "Land subsidence risk to infrastructure in US metropolises"; Map: Erin Davis/Axios Visuals San Francisco is sinking, and new research shows it's more widespread — and ...

A minor, 3.8-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey.