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13 Cards in this Set
- Front
- Back
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what is an objective method of assigning magnitude to an earthquake? |
richter scale |
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what is a a subjective method of assigning magnetude to an earthquake? |
Modified Mercalli Intensity Scale |
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The actual site of subsurface break resulting in an earthquake is called the___ |
hypocenter (focus) |
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Lava is magma that has cooled beneath the surface of the earth. |
faulse |
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Drainage basins (watersheds) are separated by drainage divides. |
true |
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Pahoehoe lava is is formed when a surficial lava flow cools leaving a rippled or ropey surface. |
true |
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the outside curve of a river's meander is known as____ |
cutbank |
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a stream is any flowing body of water confined to a chanel. |
true |
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The New Madrid earthquakes of 1811-1812 were interplate earthquakes |
true |
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the hot spot that underlines North America and could be a supervolcano if it were to erupt is |
Yellowstone, WA |
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what are the three types of earthquake faults |
reverse; normal; strike-slip |
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the phreatic explostion that destroyed the island of Krakatoa was caused when sea water rushed into the volcano's magma chamber. |
true |
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the residents of Pompeii were killed when a lava flow engulfed their city |
faulse |
