At the Seismological Society of America's Annual Meeting, researchers posed a seemingly simple question: how wide are faults?

with the largest exceeding magnitude 4.0. Prior to Monday's earthquake, the fault line near Yerington had recorded thousands of smaller tremors, according to the Nevada Seismological Lab.

Nevada has experienced four earthquakes since 8am ET ... Valmy sits within a region of active fault lines, including the Fairview Peak-Dixie Valley Fault Scarps and the Central Nevada Seismic ...

Scientists say the size of earthquake faults may have been previously underestimated, extending potentially dangerous ...

In this type of fault, the block of rock above the fault plane, known as the hanging wall, moves downward relative to the block below, called the footwall. Normal faults are typically found at ...

San Diego, Los Angeles and Big Sur are located on the Pacific Plate while San Francisco, Sacramento and the Sierra Nevada are ... California Earthquake Data Center, this fault zone is one of ...