Major ancient faults like that can remain as weak zones in the Earth’s crust and then focus ongoing tectonic strain,” noted ...

The earthquake followed a pair of smaller earthquakes in the Inland Empire. At 8:34 a.m., a 3.0 magnitude earthquake hit ...

A magnitude 8.8 monster off the eastern coast of Russia threatened tens of millions of people with a tsunami risk. So why did ...

Low-level airplane flights begin as soon as this month over the Black Hills and Bear Lodge areas of Wyoming and South Dakota ...

Most of southern California is currently under a tsunami advisory while Humboldt County and north of there is under a more ...

The term "100-year flood" implies that the event is a rare occurrence; however, dozens of such storms have inundated the ...

A Nipomo resident challenged Cal Fire’s fire hazard severity zone map, citing outdated data used to map San Luis Obispo County, California.

The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano might erupt again.

Which Santa Barbara County neighborhoods are the most flammable? Last month, Cal Fire released updated fire hazard maps for Santa Barbara and the rest of the state, showing where to beware of ...

Improving building codes First, seismologists and earthquake engineers at the U.S. Geological Survey, or USGS, produce the National Seismic Hazard Model. These maps, based on research into ...

Improving building codes First, seismologists and earthquake engineers at the U.S. Geological Survey, or USGS, produce the National Seismic Hazard Model. These maps, based on research into ...

Two months after the most destructive wildfires in Los Angeles history, Cal Fire has released updated Fire Hazard Severity Zone maps for the county.