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Are small earthquakes that follow the main shock.
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| slopes landward n downward into Earth at an angle of about 30° to 60°. |
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| seismic wave that travels throught Earth's interior. |
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| major belt around the edge of the Pacific Ocean on which most composite volcanoes are loacted and where many earthquakes occur. |
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| Distance between the focus and rhe epicenter of an earthquake. |
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| a trembling or shaking of the ground caused by the sudden release of energy stored in the rocks beneath the surface. |
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| The sudden release of progressively stored strain in rocks results in movement along a fault. |
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| the point on earth's surface directly above the focus of an earthquake. |
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| The point within the earth where seismic waves first originate. |
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| a measure of an earthquake's size by its effect on people and buildings. |
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| a curved line of islands. |
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a type of surface seismic wave that causes the ground to move side in a horizontal plane perpendicular to the direction the wave is traveling.
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