A group of fault lines sit underground near Van Horn, Texas, dating up to 1.6 million years old, according to a map published by the U.S. Geological Survey (USGS) While the fault lines might have been ...

SALT LAKE CITY, Utah — Two active fault lines appear to connect under downtown Salt Lake City, according to a newly published geological study. Scientists believe they have the potential to cause more ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the best places to visualize the geological features known as the Balcones Escarpment and Balcones Fault is Mount Bonnell.

A fault line does not keep a calendar, no matter how often people ask it to. That simple limitation shapes nearly everything scientists say about the San Andreas Fault. Researchers can measure strain, ...

CITYWIDE — It's a seismic year for Santa Monica. In the 20th year since the destructive Northridge Earthquake, city officials announced they would assess buildings that might need seismic upgrades and ...

Red-shaded areas show newly identified fault zones. Courtesy City of San Diego Following the release of two maps last week by the California Department of Conservation, San Diego is notifying ...

Readers ask: "Where exactly is the Balcones Fault?" And while we're at it, "What precisely is the Balcones Escarpment?" Excellent questions. Even some old-timers can't tell you exactly where these two ...

Following the release of two maps last week by the California Department of Conservation, San Diego is notifying residents and property owners of proposed changes to earthquake fault zones within city ...

SAN DIEGO COUNTY, Calif. — Following the release of two maps last week by the California Department of Conservation, San Diego is notifying residents and property owners of proposed changes to ...