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Chang Heng
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Chang Heng
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Articles about Chang Heng
Earthquake
An earthquake is the sudden shaking of the ground caused by the passage of seismic waves when energy stored in Earth's crust is released, usually when rock masses strained along a fault suddenly fracture and slip. Most earthquakes occur along the boundaries of…
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Modified Mercalli Intensity Scale
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EarthquakeAn earthquake is the sudden shaking of the ground caused by the passage of seismic waves when energy stored in Earth's crust is released, usually when rock masses strained along a fault suddenly fracture and slip. Most earthquakes occur along the boundaries of…