<http://schema.org/description>
"A U.S.-German team of geologists says it has determined why some areas of the San Andreas fault experience repeated earthquakes and other areas do not."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2010/06/24/Tiny-clays-curb-big-earthquakes/UPI-14121277402120/>