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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2015-629-FA

AKA: none

Other ID: none

Status: Completed

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

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

Principal Investigator(s): Daniel Brothers

Affiliate Investigator(s): Peter Haeussler (Alaska Science Center)

Information Specialist(s): Peter Dartnell

Data Type(s): Location-Elevation: Navigation, Seismics: Multichannel, Seismics: Sparker, Sonar: Multibeam

Scientific Purpose/Goals: To map the offshore extension of the Queen Charlotte-Fairweather Fault. The fault has produced several significant earthquakes during the last 150 years, yet little to no information exists along most of its length due to its location offshore. We aim to image the fault structure, mode of deformation and constrain its late Holocene slip rate for the northernmost segment.

Vehicle(s): None

Start Port/Location: Cordova, AK

End Port/Location: Cordova, AK

Start Date: 2015-04-28

End Date: 2015-05-24

Equipment Used: CodaOctopus F180, Other, Mini sparker, Reson 7111

Information to be Derived: seabed morphology, character and substrate architecture

Summary of Activity and Data Gathered: Files on FAD 6/29/2015 GeometricGeoEel - raw seismic reflection profiles, see Danny Brothers GIS - GIS files processed at sea, see Pete Dartnell Reson7111 - shipboard PDS2000 and Caris projects, see Pete Dartnell SVP - shipboard SVP files, see Pete Dartnell F180 - shipboard MCOM files

Staff: Jackson Currie, Gerry Hatcher, Robert Wyland

Affiliate Staff:



Southeastern Alaska, offshore Glacier Bay National Park

North: 58.60833366 South: 57.25826466 West: -138.274 East: -134.95556641


photo of Solstice


Balster-Gee, A.F., Brothers, D.S., Haeussler, P.J., Dartnell, P., Hart, P.E., Wyland, R., and Hatcher, G.A., 2023, Multichannel minisparker seismicreflection data collected offshore Glacier Bay National Park during USGS field activity 2015-629-FA: U.S. Geological Survey data release,

Dartnell, P., Brothers, D.S., and Haeussler, P.J., 2022, Multibeam bathymetry and acoustic-backscatter data collected in 2015 near Cross Sound, southeast Alaska, during field activity 2015-629-FA: U.S. Geological Survey data release,

Andrews, B.D., Brothers, D.S., Dartnell, P., Barrie, J.V., Haeussler, P.J., Green, K.M., Greene, H.G., Miller, N.C., Kluesner, J.W., and ten Brink, U.S., 2022, Systematic mapping of the ocean-continent transform plate boundary of the Queen Charlotte fault system, southeastern Alaska and western British Columbia—A preliminary bathymetric terrain model: U.S. Geological Survey Open-File Report 2022–1085, 2 sheets, 7-p. pamphlet,

Andrews, B.D., Brothers, D.S., Dartnell, P., and Barrie, J.V., 2022, A bathymetric terrain model of multibeam sonar data collected between 2005 and 2018 along the Queen Charlotte Fault System in the Eastern Gulf of Alaska from Cross Sound, Alaska to Queen Charlotte Sound, Canada: U.S. Geological Survey data release,


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
CodaOctopus F180 --- Navigation
Other --- --- ---
Mini sparker --- Sparker
Reson 7111 --- Multibeam

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