CCKH+2.4

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Outline:

 * ===Monitoring Faults===
 * monitoring San Andreas fault
 * ===Devices that monitor faults===
 * instruments measure stress and deformation in the crust
 * creep meters
 * measure amount fault moves
 * laser ranging devices
 * uses laser beams to detect fault movement
 * tiltmeters
 * measures tilting off the ground
 * satellite monitors
 * used to make images of faults
 * ===Monitoring risk in the united states===
 * geologists determine quakes by locating active faults