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Definition
| A scale that rates earthquakes by estimating the total energy released by an earthquake |
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| The record of an earthquakes seismic waves produced by a seismograph. |
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| A scale that rates an earthquake's magnitude based on the size of its seismic waves. -works by showing numbers of the magnitude of the earthquake |
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| The measurement of an earthquake's strength based on seismic waves and movement along faults. |
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| A scale that rates earthquakes according to their intensity and how much damage they cause at a certain place. |
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| A type of seismic wave that forms when P waves and S waves reach Earth's surface. |
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| A type of seismic wave that moves the ground up and down or side to side. |
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| A type of seismic wave that compresses and expands the ground. |
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| A force that acts on rock to change its shape or volume. |
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| stress that stretches rock so it becomes thinner in the middle. |
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| Stress that squeezes rock until it folds or breaks. |
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| Stress that pushes masses of rock in opposite directions, in a sideways motion. |
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| Stress that pushes masses of rock in opposite directions, in a sideways motion. |
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| type of fault where the hanging wall slides downward;-caused by tension. |
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| The block of rock that forms the upper half of a fault. |
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| the block of rock that forms the lower half of a fault. |
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Definition
| The point on Earth's surface directly above an earthquakes focus. |
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| The point beneath Earth's surface where rock breaks under stress and causes an earthquake. |
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| The shaking that results form the movement of rock beneath Earth's surface. |
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| A large area of flat land elevated high above sea level. |
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Definition
| A type of fault where the hanging wall slides upward; caused by compression in crust. |
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| A type of fault in which rocks on either side move past each other sideways with little up or down motion. |
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| An upward fold in rock formed by compression of Earth's crust. |
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| A downward fold in rock formed by compression. |
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| The process by which an earthquake's violent movement turns loose soil into liquid mud. |
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| an earthquake that occurs after a larger earthquake in the same area. |
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| A large wave produced by an earthquake on the ocean floor. |
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| A building mounted on bearings designed to absorb the energy of an earthquake. |
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Definition
| the force that opposes the motion of one surface as it moves across another surface. |
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