A pair of moderate earthquakes that shook Northern California on Thursday and Friday happened near a region known as the Almanor Fault Zone, marking the two strongest temblors in almost a decade for a ...

Some geologic faults that appear strong and stable, slip and slide like weak faults. Now an international team of researchers has laboratory evidence showing why some faults that "should not" slip are ...

While it is often said that mountains don’t move, in reality, the Colorado Rocky Mountains are the result of a slow dance that has been occurring beneath the earth’s surface for hundreds of millions ...

Two of the biggest fault lines in the world are synched together in a way that could lead to disastrous consequences, according to recent scientific analysis. This synchronization raises alarms about ...