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Earth Science U2B

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Across
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instrument used to record and measure vibrations from earthquakes or earth tremors
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a record of the time and intensity of the energy waves produced by an earthquake
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process used to locate the epicenter of an earthquake
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instrument used to measure ground swelling
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horizontal intrusion of magma between rock layers
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volcanic flow that contains a high concentration of gases, ash, and small rocks
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cliff-like landform created by a normal fault
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gassy smoke released by a volcano
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intrusive rock that pushes its way between sedimentary strata in the shape of a dome
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scientific study of earthquakes
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magma that has a high viscosity and high silica and gas content; eruption tends to be very explosive
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a ramp-like fold between flat rock layers at different elevations
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measure of the total amount of energy released during an earthquake
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U-shaped, downward fold in rock
Down
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wet soil behaves like a liquid and is no longer able to support buildings during an earthquake
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an avalanche of water, mud, and other materials that a volcanic eruption can produce
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ability of a substance to resist flowing
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volcanic rock and debris that is blasted from a volcano during an eruption
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the ratio of distance represented on a map to distance on Earth
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an underwater volcano
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the most powerful, explosive type of volcanic eruption
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provides an explanation of lines and symbols given on a map