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Glossary of earthquake terms
Sand ejected through a crack forming a series
of sand boils along the railroad tracks adjacent to Deschutes
Parkway in Olympia. (Photo courtesy of Geomatrix)
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Liquefaction
A process by which
water-saturated sediment temporarily loses strength and acts as
a fluid, like when you wiggle your toes in the wet sand near the
water at the beach. This effect can be caused by earthquake shaking.
See also Liquefaction
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