NORFOLK, Va. — Fault lines are fractures or breaks in the Earth's crust where tectonic plates move past each other, often resulting in earthquakes. These geological features are classified into three ...

One of the most dangerous faults in the United States, the Cascadia Subduction Zone, may be able to trigger an earthquake on ...

A mega-earthquake might be triggered by two volatile faults, striking in unison, with one quake nudging the other into ...

A 10-story cold-formed steel-framed building will soon be put to the test on an earthquake simulator at the University of California San Diego to see how well it can withstand earthquakes. The UC San ...

What Is a Tsunami and How Does It Form? A tsunami is a series of ocean waves caused by a sudden disturbance, usually an underwater earthquake, that pushes a large amount of water up or down. Most ...

SAN BENITO COUNTY, CA - Friday night, a preliminary 3.1 magnitude quake was detected near Pinnacles, according to the U.S.

SAN DIEGO (FOX 5/KUSI) — Researchers at UC San Diego on Monday put a 10-story, cold-formed steel building to the test, simulating how the structure would move in the midst of a major earthquake. The ...