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en.wikipedia.org/wiki/Fault_(geology)

In geology, a fault is a planar fracture or discontinuity in a volume of rock, across which there ... A fault trace or fault line is the intersection of a fault plane with the ground surface. A fault trace is also the line ... By definition, the hanging wall occurs above the fault plane and the footwall occurs below the fault. This terminology ...

discovermagazine.com/2010/apr/12-what-happens-to-ground-at-fault-line

May 13, 2010 ... Faults are breaks in the earth's crust where adjacent sections, or plates, have moved relative to each other. When a lot of slippage happens all ...

www.earthquakecountry.org/roots/basics.html

This section describes how earthquakes happen and how they are measured. ... A fault is a thin zone of crushed rock separating blocks of the earth's crust.

www.livescience.com/37052-types-of-faults.html

Sep 25, 2014 ... ... of slip or movement. Descriptions of the three types of faults that cause earthquakes. ... Fault Lines: Facts About Cracks in the Earth. By Becky Oskin, Senior ... What Ever Happened to the Richter Scale? Volcano Facts and ...

www.iris.edu/hq/files/programs/education_and_outreach/aotm/2/EarthquakeFaults_Background.pdf

happens on a discrete area of the fault plane that ... Fault slip occurs in three stages: .... vertical as in a strike slip fault or inclined like a subduction zone fault.

www.exploratorium.edu/faultline/basics/faults.html

The effect of that sudden shift depends on the type of fault the movement occurs in. There are three main types of faults, based on how adjacent blocks of rock ...

pubs.usgs.gov/gip/earthq3/safaultgip.html

Nov 30, 2016 ... In this stretch of the fault zone, the name "San Andreas" generally is ... a great earthquake occurs on only one section of the fault at a time.

eqseis.geosc.psu.edu/~cammon/HTML/Classes/IntroQuakes/Notes/faults.html

When an earthquake occurs only a part of a fault is involved in the rupture. ... Structure of an exposed section of a vertical strike-slip fault zone (after Chester et  ...

www.scienceclarified.com/landforms/Faults-to-Mountains/Fault.html

The area where crustal blocks meet and move along a fault from the fault line down ... When this happens, the hanging-wall block (the one above the fault plane) ...

www.popsci.com/extreme-science-san-andreas

Aug 19, 2015 ... Yet in an instant, that crack, the San Andreas fault line, could ruin lives ... In a simplified, ideal world, this movement would happen easily and ...