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When the earth shake
| Term | Definition |
|---|---|
| Fault | a fracture in bedrock along which blocks of rock on opposite sides of the fracture move |
| Intensity | a measure of the damage done by an earthquake that is determined on the basis of the earthquakes effect on people structures and the natural environment |
| magnitude | a measure of the total amount of energy released at the focus of an earthquake |
| destructive | causing damage or injury |
| stress | The amount of force being applied to a rock or surface |
| tsunami | a series of sea waves caused by undersea events such as an earthquake beneath the ocean floor that rise to great heights as they near a shore |
| seismogram | The record made by a seismograph the paper on which data about earthquakes waves is recorded |
| seismograph | an instrument used to detect earthquake waves |
| tension | |
| compression | |
| shearing |