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 ...

Scientists say the San Andreas and San Jacinto faults are more stressed than at any time in 1,000 years, raising questions ...

Most people buying a home check the school ratings, the flood zone, maybe the noise from a nearby highway. Very few pull up a fault map. Yet across the United States, geologists have been quietly ...

While analyzing strong-motion data close to fault lines, a group of researchers at Kyoto University noticed something unexpected: a negative phase in the waveforms, a pattern that did not conform to ...

A new study suggests stress levels along Southern California's San Andreas and San Jacinto fault systems are at their highest ...