What is a geologic fault?

What is a geologic fault?

Tom Jordan (Director, Southern California Earthquake Center (SCEC)) gives expert video advice on: What is a geologic fault?; What is the "Richter Scale" of an earthquake?; What is the "Moment Magnitude Scale" of an earthquake? and more...

A geologic fault is a zone within the earth's crust where there has been displacement of one side relative to the other. We see geologic faults as off-sets in geologic formations.