Blind Fault 4 : A fault that does not rupture all the way up to the surface so there is no evidence of it on the ground. It is "buried" under the uppermost layers of sediments or rock in the crust
Christian Nerger and Johannes Schweitzer (Assisting Editor in Compiling), Glossary of Terms Frequently Used in Seismology and Observatory Practice, US Geological Survey (http://www.usgs.gov/), the Montana Bureau of Mines and Geology (http://www.mbmg.mtech.edu/) and the International Data Center of the CTBTO (http://www.ctbto.org), USA 2004. http://gfzpublic.gfz-potsdam.de/pubman/item/escido c:4141:2/component/escidoc:4142/Glossary_rev1.pdf% 3Bjsessionid=216960F299E7DC5292AAE080C9BACFB3, (ND/ Erthq - Amer) {25}