Brittle Behavior : Failure (sudden loss of strength) at some critical stress either by breaking along a new fracture or, most commonly, by frictional sliding on an already existing fracture
Natural and Environmental Disaster Information Exchange System NEDIES, European Commission, Directorate General Joint Research Centre (DG JRC), Institute for the Protection and Security of the Citizen (IPSC), Ispra (Varese) Italy, http://nedies.jrc.it/index.asp?ID=82#Top, University of Utah Seismograph Stations UUSS, Glossary of Terms, Utah, USA 2012. http://www.seis.utah.edu/qfacts/glossary.shtml, (ND/ Erthq - Amer) {166}