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=Section 4 Monitoring Faults=

Vocabulary:

 * There are not any vocabulary in this section**

Introduction

 * There are no patteren for earthquakes

Devices that Monitor Faults

 * Creep meters
 * it measures horizontal movement
 * Laser Ranging Device
 * it detects even small moverments
 * it can also detects any change in distance to the reflector
 * Tiltmeters
 * measures tilting of ground by using water
 * Satellite Monitors
 * a radar that makes fault pictures

Monitoring Risk In the United States

 * Earthquake risk can be determined
 * by looking at active faults and past earthquakes


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