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n. See earthquake.

n. A shaking of the Earth's surface; an earthquake or tremor.

n. shaking and vibration at the surface of the earth resulting from underground movement along a fault plane of from volcanic activity

"Ai's installation in the Northwest Laboratory building at Harvard is part of his recent engagement with the 2008 Sichuan earthquake and the alleged corruption scandal involving the poorly constructed Sichuan schools that collapsed during the seism."

geological phenomenon   

seismo-   

earth tremor    seaquake    microseism    tremor    submarine earthquake   

sexism