Liquefaction SF1906

www.iris.edu.
Cutaway animation of how liquefaction of compacted sediment in the San Francisco area led to the tilting of houses during the 1906 earthquake. Tilted Victorian home at Howard and 17th Streets in the Mission District of San Francisco showing liquefaction-related damage from the 1906 earthquake. This area is underlain by marsh deposits that were covered by artificial fill in the middle to late 1800s. The earthquake shaking caused the artificial fill to liquefy and lose its ability to support the house.(Photograph by G.K. Gilbert of the U.S. Geological Survey; description from USGS)

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[gr8rootbear]

play me off johnny!