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Liquefaction in Subsurface Layer of Sand
Liquefaction in Subsurface Layer of Sand
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Title: Liquefaction in Subsurface Layer of Sand

Description: Ground shaking triggered liquefaction in a subsurface layer of sand, producing differential lateral and vertical movement in a overlying carapace of unliquified sand and silt, which moved from right to left toward the Pajaro River. This mode of ground failure, termed "lateral spreading," is a principal cause of liquefaction-related earthquake damage.

Location: Watsonville, CA, USA

Date Taken: Oct 17 1989

Photographer: S.D. Ellen
Photographer Email:
Photographer Organization: U.S. Geological Survey


Usage: This image is public domain/of free use unless otherwise stated. Please refer to the USGS Copyright section for how to credit the photo.

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Type: JPEG image - 52.52 KB

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Tags: Loma Prieta earthquake liquefaction sand

 

 

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