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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2021-614-FA

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AKA: Palos Verdes Fault 2021 (USGS/BOEM)

Other ID: none

Status: Completed

Organization(s): USGS, Pacific Coastal and Marine Science Center

Funding Program(s): Other (Other), Coastal and marine earthquake, tsunami, and landslide active margin field studies (ZP00EQV)

Principal Investigator(s): Jared Kluesner, James Conrad, Daniel Brothers

Affiliate Investigator(s): Travis Alongi (UCSC), Mark Leung (BOEM)

Information Specialist(s): Alicia Balster-gee

Data Type(s): Seismics: Sub Bottom Profiler, Seismics: Sparker, Seismics: Multichannel

Scientific Purpose/Goals: acquire seismic imaging of the Palos Verdes Fault zone to quantify damage zone characteristics and seismic hazards

Vehicle(s): Dodge Caravan - G41-2395R, MarFac; Ford 650 Box truck - White G71-03559, MarFac; Ford F350 pickup/stake truck; 6 pass; G82-0317H, Sonata Hybrid G10-6192P

Start Port/Location: San Diego, CA

End Port/Location: San Diego, CA

Start Date: 2021-05-07

End Date: 2021-05-26

Equipment Used: minisparker, Mini sparker, 0.5-16 kHz receiver, 0.5-16 kHz, Multichannel, multichannel source

Information to be Derived: stratigraphic framework, fault/fracture distribution, sequence strat, fluid flow evidence

Summary of Activity and Data Gathered: Collection of Sparker MCS and CHIRP profiles across the Palos Verdes Fault Zone.

Staff: Rachel Marcuson, Robert Wyland

Affiliate Staff:

Notes: There will be 8 days at sea.

Location:

San Pedro Shelf and Slope offshore Los Angeles

Boundaries
North: 33.89364486 South: 33.37643027 West: -118.54136467 East: -117.84641504

Platform(s):

photo of Robert Gordon Sproul
Robert Gordon Sproul

Publications

Alongi, T., Balster-Gee, A.F. Kluesner, J.W., Snyder, G.R., Brothers, D.S., Conrad, J.E., and Marcuson, R.K., 2024, Multichannel minisparker and chirp seismic reflection data collected during USGS field activity 2021-614-FA along the Palos Verdes Fault Zone: U.S. Geological Survey data release, https://doi.org/10.5066/P9HCOSDF.

Portals/Viewers

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
minisparker --- Sparker
Mini sparker --- Sparker
0.5-16 kHz receiver --- Sub Bottom Profiler
Chirp sub-bottom data collected during USGS field activity 2021-614-FA along the Palos Verdes Fault Zone (Chirp sub-bottom data were collected by the U.S. Geological Survey in May of 2021 along the Palos Verdes Fault Zone in San Pedro Bay and San Pedro Channel. MCS data were acquired coincident with chirp sub-bottom data.)
0.5-16 kHz --- Sub Bottom Profiler
Multichannel --- Multichannel
Multichannel minisparker seismic reflection data collected during USGS field activity 2021-614-FA along the Palos Verdes Fault Zone (High-resolution multichannel minisparker seismic reflection (MCS) data were collected by the U.S. Geological Survey in May of 2021 along the Palos Verdes Fault Zone in San Pedro Bay and San Pedro Channel. MCS data were acquired coincident with chirp sub-bottom data.)
multichannel source --- Multichannel

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