USGS has unveiled its most detailed national geologic map, giving the public a free, interactive way to explore underground ...

A ridiculous but instructive thought experiment involving deep time, plate tectonics, erosion and the slow death of the sun ...

MAGNA, Utah — It has been three years since a 5.7-magnitude earthquake rocked much of northern Utah. Then last summer, the Utah Geological Survey dug a long trench to study two faults on the west side ...

California, known for its seismic activity due to several geological faults such as the famous San Andreas Fault, has always experienced several small quakes most of them which can be either perceived ...

The Open Space and Recreation Working Group hosted a hike through Willis Woods to a glacial erratic, one of many large boulders deposited across North America by retreating glaciers at the end of the ...

We're learning more about the probable cause of a rockslide that shutdown I-24 west in Marion County and caused headaches for ...

Southeastern Pennsylvania, including York County, contains some remarkable geologic history. From rocks representing a fractured supercontinent 550 million years ago to sediment accumulating in a ...

Researchers say ubiquitous evidence for ongoing geological carbon sequestration in mantle rocks in the creeping sections of the San Andreas Fault is one underlying cause of aseismic creep along a ...

MORGAN HILL – A magnitude 3.0 earthquake jolted South Santa Clara County Tuesday night, according to the U.S. Geological ...