Field Activity 1990-027-FA

Identifier 1990-027-FA
Alternate names F8-90-NC
Purpose Slope stability survey.
Location Farallon Escarpment, California, United States, North America, North Pacific;
Comments Information derived from progress report. No WHSC personnel participated in this cruise. Cruise is related to FA 90018.
Related activities
1990-018-FA: Cruise leg
230 feet
Start Redwood City, CA 1990-08-05
End Redwood City, CA 1990-08-17
Days in the field 13
West -123.55653036
East -122.75024414
North 38.08220911
South 37.1420735


384 Woods Hole Road
Quissett Campus
Woods Hole, MA02543-1598
(508) 548-8700
Principal investigators William C Schwab
Crew members
Affiliate principal Herman Karl, PMG; Dave Drake, PMG
Affiliate staff Ronald Kistler, USGS-SP, Geologist; Duane Champion, USGS-SP, Geologist; Warren Scherfius, USGS-SP, Unspecified Investigator; Jon Stern, USGS-SP, Unspecified Investigator; Steve Wessels, USGS-SP, Unspecified Investigator; Jim Vaughan, PMG, Electrical engineer; Norm Maher, PMG, Geologist; John Chin, PMG, Geologist; Jesus Baraza, PMG, Geologist; Doug Musser, PMG, Geologist; Brian Edwards, PMG, Geologist; Michael Hamer, PMG, Navigator; Kaye Kinoshita, PMG, Navigator; Hank Chezar, PMG, Photographer; Herman Karl, PMG, Chief Scientist; Hal Williams, PMG, Mechanical Technician; Kevin O'Toole, PMG, Mechanical Technician; Steve Baily, CA Acad., Unspecified Investigator; Alan Ota, EPA, Unspecified Investigator; Paul Jones, EPA, Unspecified Investigator; Coleen Petrullo, EPA, Unspecified Investigator; Isidore Sczcnakiak, CA Acad., Unspecified Investigator; Brigitte Hilbig, SAIC, Unspecified Investigator; John Evans, SAIC, Unspecified Investigator; Rob Williams, SAIC, Unspecified Investigator; Catherine Courtney, PRC, Unspecified Investigator; Jim Blake, SAIC, Unspecified Investigator; Gene Revelas, SAIC, Unspecified Investigator; Don Roberson, Volunteer, Unspecified Investigator; Greg Gabel, PMG, Watchstander; Frank Brown, Volunteer, Watchstander; Matthew Gilby, Chief Engineer; Albert Fuller, Chief Mate

Data types and categories

Data category: Sonar, Seismics, Biological Field Study, Sampling, Imagery, Location-Elevation
Data type: Single Beam, Sub Bottom Profiler, Experiments (biological), Biology, Geology, Photo, Navigation

Documents: Notes and log books

Name Description
Cruise report Chief Scientist's progress report on status of analysis and interpretation of data from 1990-018-FA and 1990-027-FA (F7-90-NC and F8-90-NC).

Equipment used

Equipment Usage description Data types Datasets
12 kHz Single Beam 2
3.5 kHz Sub Bottom Profiler (no data reported)
Gravity corer Geology (no data reported)
Dredge Biology, Geology (no data reported)
Camera- deep sea Photo (no data reported)
Benthos acoustic navigation system Navigation (no data reported)
Trimble 4000AX GPS receiver Navigation 2


Datasets produced in this activity

Dataset name Equipment Description Dataset contact
1990-027-FA-BA-001 12 kHz Bathymetric data Nancy K. Soderberg
NGDC MGD77 data 12 kHz Carolyn Hayashida Degnan
1990-027-FA-LN-002 Trimble 4000AX GPS receiver Navigation data Linda P McCarthy
1990-027-FA-NL-001 Trimble 4000AX GPS receiver Chief Scientist's cruise report with ship movement, personnel, equipment and data acquisition notes, sample locations and results of size and reflection analyses, camera runs, and seismic trackmap. Nancy K. Soderberg


Samples collected during this field activity