AKA: Cascadia seafloor geodesy
Other ID: none
Status: Completed
Organization(s): USGS, Pacific Coastal and Marine Science Center, Scripps Institution Of Oceanography, La Jolla, Ca, USGS, Earthquake Hazards
Funding Program(s): Coastal and marine earthquake, tsunami, and landslide active margin field studies (ZP00EQV)
Principal Investigator(s): Janet Watt, Thomas Parsons
Affiliate Investigator(s): Ben Brooks (USGS), Todd Ericksen (USGS), David Price (SIO), David Chadwell (SIO)
Information Specialist(s): Robert Wyland, Rachel Marcuson
Data Type(s): Location-Elevation: Benchmarks, Environmental Data: CTD
Scientific Purpose/Goals: Install seafloor geodetic instrumentation, 2 sites = 6 monuments
Vehicle(s): MarFac; Ford F350 pickup/stake truck; 6 pass; G82-0317H
Start Port/Location: Eureka, CA
End Port/Location: Eureka, CA
Start Date: 2021-10-07
End Date: 2021-10-31
Equipment Used: geodetic, borrowed equipment
Information to be Derived: GNSS-A velocity vectors, characterize shallow locking along the subduction zone megathrust fault
Summary of Activity and Data Gathered: Successfully installed all 6 GPS-A benchmarks and made XSV sound velocity casts at each site location
Staff: Robert Wyland, Rachel Marcuson
Affiliate Staff:
Notes:
Location:
Southern Cascadia
| Boundaries | |||
|---|---|---|---|
| North: 42.6824354 | South: 40.73060848 | West: -126.69433594 | East: -124.18945313 |
Platform(s):
![]() Coral Sea |
| Survey Equipment | Survey Info | Data Type(s) | Data Collected |
|---|---|---|---|
| geodetic | --- | Benchmarks | |
| borrowed equipment | --- | Species ID Submersible Observations Experiments (biological) Surveys (biological) Gravity Ground Penetrating Radar Magnetics Resistivity CO2 Conductivity CTD Current Depth Dissolved Oxygen Fluorescence Light Meteorology Methane Nitrate ORP pH Radon Temperature Tide Turbidity Wave Experiments (geochemical) Surveys (geochemical) Other Imagery Photo Video Benchmarks LIDAR Navigation Profiles Transects Biology Chemistry Geology Air Gun / Water Gun Boomer Bubble Gun Multichannel Ocean Bottom Seismometer Sonobuoy Sparker Sub Bottom Profiler Interferometric Multibeam Sidescan Single Beam Sound Velocity Biology Monitoring Geochemical Monitoring Mooring (physical oceanography) Ground Truthing |