The graphic on the top shows how a high-angle normal fault cuts between two of the earth's plates. The block on the right shifts down as the fault moves. The graphic on the bottom shows a low-angle normal fault. The block on the right cannot move directly down, but instead can slip to the right. (Credit: Courtesy of Gabriele Casale)
ScienceDaily (Aug. 28, 2009) — Some slow-moving faults may help protect some regions of Italy and other parts of the world against destructive earthquakes, suggests new research from The University of Arizona in Tucson....
