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  3. Cone Penetration Test data of Paleoliquefaction sites in Washington and Oregon

Cone Penetration Test data of Paleoliquefaction sites in Washington and Oregon

Dates

Publication Date
Start Date
2022-11-07
End Date
2022-11-11

Citation

Grant, A.R.R., Svitek, J.F., Rasanen, R.A., Maurer, B.W., and Greenfield, M.W., 2024, Cone Penetration Test data of Paleoliquefaction sites in Washington and Oregon: U.S. Geological Survey data release, https://doi.org/10.5066/P9XMD80B.

Summary

In many parts of the United States and around the globe, the instrumental earthquake record is insufficient to characterize seismic hazard or constrain potential ground motion intensities from individual sources. This lack of data is particularly acute for the Cascadia Subduction Zone (CSZ) of the U.S. Pacific Northwest, where paleoseismic evidence suggests a long history of large megathrust events. While evidence for pre-historic CSZ earthquakes has been discovered onshore and offshore Cascadia, the identification and dating of paleoliquefaction from pre-historic earthquakes offers the best potential for placing quantitative constraints on shaking intensities during past CSZ events. For this dataset, seven Cone Penetration Test (CPT) [...]

Contacts

Point of Contact :
Alex R Grant, U.S. Geological Survey, SOUTHWEST REGION
Originator :
Alex R Grant, Joseph F Svitek, Ryan A. Rasanen, Brett W. Maurer, Michael W. Greenfield
Metadata Contact :
Alex R Grant, U.S. Geological Survey, SOUTHWEST REGION
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Earthquake Hazards Program
USGS Mission Area :
Natural Hazards

Attached Files

Click on title to download individual files attached to this item.

metadata_paleoliquefaction.xml
“Summary Metadata”
Original FGDC Metadata
View 		17.61 KB application/fgdc+xml
CPT_Profile_Database.zip
“CPT Profile Database” 		18.45 KB application/zip
CPT_Header.csv
“Site Locations and Information” 		900 Bytes text/csv

Purpose

Cone Penetration Test (CPT) data were collected using the USGS CPT truck to characterize soil profiles and source regions for liquefaction features identified in previous geologic investigations. Sites were selected where careful stratigraphic mapping and dating has identified paleoliquefaction features coeval with Cascadia Subduction Zone and Seattle Fault earthquakes in Oregon and Washington, USA. These CPT data can be used to estimate shaking intensities from past earthquakes necessary to generate the observed liquefaction, as well as more general analyses of geotechnical interest derived from CPT data in a variety of Holocene sediments and settings in Oregon and Washington.

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9XMD80B

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