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17 Cards in this Set
- Front
- Back
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Focus |
The place inside the earth where the earthquake starts. |
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epicenter |
The spt on the land directly above the focus. |
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Seismogragh |
An instrument that detects and measure earth quakes. |
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seismogram |
A paper record of an earthquake event. |
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The richer scale |
Measures the magnitude of an earthquake. |
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Seismic waves |
Vibrations released during an earthquake. |
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primary wave |
the fastest moving seismic waves, least destructive, travels through solids, liquids, and gasses, first wave recorded. |
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secondary waves |
The seismic wave that is recorded second, and causes little more damage then P waves. |
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Surface waves |
The seismic wave that causes the most destruction, are the slowest and are the third waves recorded. |
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ring of fire |
The major earthquake and volcano in the world in around the Pacific ocean. |
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transform boundries |
where earthquakes occur. |
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strike-slip fault |
caused when two plates scrape along side one another. |
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tsnami |
a huge wave caused by an underwater earthquake. |
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Normal fault |
rocks are pulled a part at this fault. |
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convection current |
warmer matter rises, cooler matter sinks. |
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the mercalli scale |
measures earthquake damage using roman numerals. |
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Liquefaction |
Soil acts more like liquid. |
