Researchers from NOAA, U.S. Geological Survey and their partners have completed the first high-resolution, comprehensive mapping of one of the fastest moving underwater tectonic faults in the world, ...

Seismologists have a term they use carefully: a "seismic gap." It refers to a section of an active fault that has gone quiet ...

Scientists are warning that a 1,000-foot-tall “mega tsunami” could potentially wipe a large chunk of America off the map – if a strong enough earthquake hits a specific active fault line over the next ...