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Chirp seismic-reflection data of USGS field activity 2014-645-FA collected in the outer Santa Barbara Channel, California, between 2014-11-12 to 2014-11-25 (ver. 2.0, March 2020)

Dates

Publication Date
Start Date
2014-11-12
End Date
2014-11-25
Revision
2020-03-31

Citation

Balster-Gee, A.F., Kluesner, J.W., Brothers, D.S., Conrad, J.E., and Sliter, R.W., 2017, Minisparker and chirp seismic-reflection data of field activity 2014-645-FA collected in the outer Santa Barbara Channel, California, between 2014-11-12 to 2014-11-25 (ver. 2.0, March 2020): U.S. Geological Survey data release, https://doi.org/10.5066/F7CV4FW6.

Summary

This data release contains 43 chirp sub-bottom profiles that were collected in November of 2014 from the Catalina and Santa Cruz Basins offshore southern California by the U.S. Geological Survey Pacific and Coastal Marine Science Center. Data were collected aboard the University of California’s R/V Robert Gordon Sproul on USGS cruise 2014-645-FA. Chirp profiles were collected to assess earthquake and submarine landslide hazards offshore southern California.

Contacts

Attached Files

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2014-645-FA_chirp_tracklines.png
“Chirp trackline map”
thumbnail 2.1 MB image/png
1.95 GB application/zip

Purpose

Data were acquired to support USGS geologic hazards projects to aide hazard assessment and shallow geologic structure mapping of southern California’s offshore Catalina, Catalina Ridge, San Clemente, and San Diego Trough Fault Zones. These data were collected to update the USGS Quaternary fault database and shaking hazard models developed by the Working Group on California Earthquake Probabilities. In addition, the survey imaged a large landslide complex in Santa Cruz Basin in order to determine causes and age of seafloor failure. Data collection was funded in part by UC Student Ship Funds. Multichannel seismic-reflection data were collected coincidentally. These data and information are intended for science researchers, students from elementary through college, policy makers, and general public.

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