Late Quaternary : The age between the present and 500,000 years before the present. Faults of this age are sometimes considered active based on the observation of historical activity on faults of this age in some locales
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, ScienceMaster, physical Science, Earthquake Glossary, CA, USA 2010. http://www.sciencemaster.com/physical/item/earthqu ake_glossary.php, (ND/ Erthq - Amer) {161}