1. Coastal and Marine Hazards and Resources
  2. Geoscience Data System

Field Activity 2019-651-FA

Identifier 2019-651-FA
Alternate names CRADA Hosgri coring project
Purpose To collect sediment cores and CHIRP data to asses sediment ages and slip rates along the Hosgri Fault Zone.
Location Offshore Morro Bay
Summary 36 chirp profiles (65 profiles including turns and line parts), 32 multichannel minisparker profiles, and 23 vibracores from 20 locations.
Info derived sediment thickness and sediment age, grain size
Projects
Platform
Bold Horizon
Length 170 feet.
Vehicles
MarFac; Ford 650 Box truck - White G71-03559
Itinerary
Start Oakland, CA 2019-10-18
End San Diego, CA 2019-10-24
Days in the field 7
Bounds
West -121.43364429
East -120.61263084
North 35.77579932
South 34.56729133
Marine operations Yes

Personnel

Organization
2885 Mission Street
Santa Cruz, CA95060
(831) 460-7401
Principal investigators Jared W Kluesner
Crew members
Information specialist(s)
Alicia F Balster-gee
Specialist, Information

Data types and categories

Data category: Location-Elevation, Sampling, Seismics
Data type: Multichannel, Navigation, Geology, Sparker, Sub Bottom Profiler

Equipment used

Equipment Usage description Data types Datasets
Multichannel Multichannel 1
Differential GPS Navigation (no data reported)
Vibracore Chemistry, Geology 8
512 chirp-source Sub Bottom Profiler (no data reported)
Other Unknown, Multichannel, Boomer, Sub Bottom Profiler, Sparker, Bubble Gun, Air Gun / Water Gun, Ocean Bottom Seismometer, Sonobuoy (no data reported)
512 chirp Sub Bottom Profiler 1
Mini sparker Sparker (no data reported)

Datasets

Datasets produced in this activity

Dataset name Equipment Description Dataset contact
Multichannel seismic-reflection and navigation data Multichannel Multichannel seismic-reflection data and associated navigation files were collected offshore central California in the vicinity of Morro Bay. These data were collected aboard the M/V Bold Horizon in October 2019 for use in regional hazard assessments relating to the Hosgri Fault. George Snyder
Computed tomography (CT) scans of vibracores Vibracore This dataset includes computed tomography (CT) scans of sediment cores collected offshore central California in the vicinity of Morro Bay. These data were collected aboard the M/V Bold Horizon in October 2019 for use in regional hazard assessments relating to the Hosgri Fault. George Snyder
Coordinates of vibracores Vibracore This dataset includes coordinate information for sediment cores collected offshore central California in the vicinity of Morro Bay. These data were collected aboard the M/V Bold Horizon in October 2019 for use in regional hazard assessments relating to the Hosgri Fault. George Snyder
Grain-size data of vibracores Vibracore This dataset includes grain-size data of sediment cores collected offshore central California in the vicinity of Morro Bay. These data were collected aboard the M/V Bold Horizon in October 2019 for use in regional hazard assessments relating to the Hosgri Fault. George Snyder
Mineralogical point-count data from vibracores Vibracore This dataset includes mineralogical point-count data from sediment cores collected offshore central California in the vicinity of Morro Bay. These data were collected aboard the M/V Bold Horizon in October 2019 for use in regional hazard assessments relating to the Hosgri Fault. George Snyder
Multi-sensor core logger (MSCL) data of vibracores Vibracore This dataset includes multi-sensor core logger (MSCL) data from sediment cores collected offshore central California in the vicinity of Morro Bay. The sediment cores were collected aboard the M/V Bold Horizon in October 2019 for use in regional hazard assessments relating to the Hosgri Fault. George Snyder
Optically stimulated luminescence (OSL) age data from vibracores Vibracore This dataset includes optically stimulated luminescence (OSL) age data from sediment cores collected offshore central California in the vicinity of Morro Bay. These data were collected aboard the M/V Bold Horizon in October 2019 for use in regional hazard assessments relating to the Hosgri Fault. George Snyder
Photographs of vibracores Vibracore This dataset includes photographs of sediment cores collected offshore central California in the vicinity of Morro Bay. These data were collected aboard the M/V Bold Horizon in October 2019 for use in regional hazard assessments relating to the Hosgri Fault. George Snyder
Radiocarbon age data from vibracores Vibracore This dataset includes radiocarbon age data from sediment cores collected offshore central California in the vicinity of Morro Bay. These data were collected aboard the M/V Bold Horizon in October 2019 for use in regional hazard assessments relating to the Hosgri Fault. George Snyder
CHIRP seismic-reflection and navigation data 512 chirp CHIRP seismic-reflection data and associated navigation files were collected offshore central California in the vicinity of Morro Bay. These data were collected aboard the M/V Bold Horizon in October 2019 for use in regional hazard assessments relating to the Hosgri Fault. George Snyder

Publications

Samples collected during this field activity