Field Activity 2021-650-FA

Identifier 2021-650-FA
Also known as Cascadia seafloor geodesy
Purpose Install seafloor geodetic instrumentation, 2 sites = 6 monuments
Location Southern Cascadia
Summary Successfully installed all 6 GPS-A benchmarks and made XSV sound velocity casts at each site location
Info derived GNSS-A velocity vectors, characterize shallow locking along the subduction zone megathrust fault
Projects
Platform
Coral Sea
Length: 90 feet; Beam: 22 feet.
Vehicles
MarFac; Ford F350 pickup/stake truck; 6 pass; G82-0317H
Itinerary
Start Eureka, CA 2021-10-07
End Eureka, CA 2021-10-31
Days in the field 4
Bounds
West -126.69433594
East -124.18945313
North 42.6824354
South 40.73060848
Marine operations Yes

Personnel

Organization
2885 Mission Street
Santa Cruz, CA95060
(831) 460-7401
Organization
USGS, Earthquake Hazards
, CA
Organization
Scripps Institution Of Oceanography, La Jolla, Ca
La Jolla, CA
Principal investigators Janet Tilden WattThomas E Parsons
Crew members
Robert M Wyland
Scientist, Staff
Rachel K Marcuson
Scientist, Staff
Information specialist(s)
Robert M Wyland
Specialist, Information
Rachel K Marcuson
Specialist, Information
Affiliate principal Ben Brooks (USGS), Todd Ericksen (USGS), David Price (SIO), David Chadwell (SIO)

Data types and categories

Data category: Location-Elevation, Environmental Data
Data type: Benchmarks, CTD

Equipment used

Equipment Usage description Data types Datasets
geodetic Benchmarks (no data reported)
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 (no data reported)

Publications

Samples collected during this field activity