USGS PCMSC

The Loma Prieta, California, Earthquake of October 17, 1989—Liquefaction
Soil Liquefaction in the East Bay During the Earthquake

Figure 25

Photo of tramway with extruded sand.

Below-grade tramway, filled with as much as 1.8 m of extruded sand, at Oakland International Airport Terminal Building. Photograph courtesy of B.A. Vallerga.

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