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Earth Quakes
Chapter 12 pg 295
| Question | Answer |
|---|---|
| Earthquakes | a movement or trembling of the ground that is caused by a sudden release of energy when rocks along a fault move. |
| Elastic Rebound | the sudden return of elastically deformed rock to its undeformed shape |
| Shadow Zone | An area on Earth's surface where no direct seismic waves from a particular earthquake can be detected |
| Focus | the location within Earth along a fault at which the first motion of an earthquake occurs |
| epicenter | the point on earth's surface directly above an earthquake's starting point, or focus. |
| body wave | in geology, a seismic wave that travels through the body of a medium |
| surface wave | in geology a seismic wave that travels along the surface of a medium and that has a stronger effect near the surface of the medium that it has in the interior |
| P wave | the primary wave the moves up and down and it also the fastest |
| S wave | a secondary wave that moves side to side and is the 2nd fastest |
| Fault Zone | A region of numerous closely spaced faults |
| Seismograph | an instrument that records vibrations in the ground |
| seismogram | a tracing of earthquake motion recorded by a seismogram |
| Magnitude | a measure of strength of an earthquake |
| Intensity | the amount of damage and Earthquake has done |
| tsunami | a giant ocean wave formed from a volcanic eruption, submarine earthquake, or landslide |
| seismic gap | An area that hasn't had an earthquake and is bound to have one |
Created by:
summerkizo
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