Williamson County residents, don't be alarmed if you receive an emergency alert Wednesday afternoon, as officials plan to test a new system.

In July 2024, a 7.4-magnitude earthquake struck Calama, Chile, damaging buildings and causing power outages. A sequence of events, discovered by researchers at The University of Texas at Austin, ...

Scientists were able to use the data from a fiber optic cable and a sensitive measuring device to “image” the Mendocino earthquake – determining the magnitude, location and length of the rupture.

Last winter, the magnitude 7.0 earthquake struck miles off the California coast, prompting tsunami warnings for coastal regions and setting off aftershocks. This quake occurred in a highly active area ...

The team behind the Intact invention. From left, John Nickel (Cowboy Technologies), Amanda Aker (Office of Technology Commercialization), Jai Hare Rajendran (Office of Technology Commercialization), ...

The aftershock occurred in the area of the original Monday morning 4.3-magnitude earthquake on the Hayward Fault.

The earthquake was just east-southeast of Berkeley, the U.S. Geological Survey said. It happened shortly before 3 a.m. PT.

A 4.3-magnitude earthquake was strong enough to rattle nerves in the middle of the night, especially in the heavily populated East Bay where it was centered.

An earthquake with a magnitude of 4.3 shook the San Francisco area early Monday, according to the United States Geological Survey.   The earthquake was just east-southeast of Berkeley, the survey said ...