The process that occurs when an earthquake shakes wet sandy soil until it behaves like a liquid, allowing sand to "boil up" to the surface, buildings to sink, or sloping ground to move
U.S. Department of the Interior,U.S. Geological Survey, Putting Down Roots in Earthquake Country (Your Handbook for the San Francisco Bay Region), Glossary, Denver, CO, USA 2006. http://pubs.usgs.gov/gip/2005/15/#glossary, http://bhs.idaho.gov/pages/Preparedness/Hazards/PD F/Putting%20Down%20Roots%20in%20EQ%20Country.pdf, (ND/ Erthq - Brit) {897}