Chap 19 vocab
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The total force acting on crustal rocks per unit of area. | show 🗑
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show | Strain
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show | Elastic deformation
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When stress builds up past a certain point, called the elastic limit. | show 🗑
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show | Fault
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The vibrations of the ground produced during an earthquake. | show 🗑
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Squeeze and push rocks in the direction along which the waves are traveling. | show 🗑
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show | Secondary Wave
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Point of the initial fault rupture where an earthquake originates that usually lies at least several kilometer beneath Earth's surface. | show 🗑
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Point on Earth's surface directly above the focus of an earthquake. | show 🗑
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Instrument used to measure horizontal or vertical motion during an earthquake. | show 🗑
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Record produced by a seismometer that can provide individual tracking of each type of seismic wave. | show 🗑
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Numerical rating system used to measure the amount of energy released during an earthquake. | show 🗑
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show | Magnitude
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show | Amplitude
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A rating scale that measures the energy released by an earthquake, taking into account the size of the fault rupture, the amount of movement along the fault, and the rock's stiffness. | show 🗑
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show | Modified Mercalli scale
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Seismic vibrations can cause the ground to behave like a liquid in a phenomenon. | show 🗑
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A large ocean wave generated by vertical motions of the seafloor during an earthquake. | show 🗑
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show | Seismic gap
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
jesse14