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Multibeam backscatter data collected in the eastern Gulf of Alaska during USGS Field Activity 2016-625-FA using a Reson 7160 multibeam echosounder (10 meter resolution, 8-bit GeoTIFF, UTM 8 WGS 84, WGS 84 Ellipsoid)

Dates

Publication Date
Start Date
2016-05-18
End Date
2016-06-11

Citation

Andrews, B.D., Brothers, D.S., ten Brink, U.S., Kluesner, J.W., Haeussler, P.J., Wyland, R.M., and Currie, J.E., 2022, Multibeam bathymetric and backscatter data collected in the eastern Gulf of Alaska along the Queen Charlotte Fault, U.S. Geological Survey Field Activity 2016-625-FA: U.S. Geological Survey data release, https://doi.org/10.5066/P9BTWEXK.

Summary

Marine geophysical mapping of the Queen Charlotte Fault in the eastern Gulf of Alaska was conducted in 2016 as part of a collaborative effort between the U.S. Geological Survey and the Alaska Department of Fish and Game to understand the morphology and subsurface geology of the entire Queen Charlotte system. The Queen Charlotte fault is the offshore portion of the Queen Charlotte-Fairweather Fault: a major structural feature that extends more than 1,200 kilometers from the Fairweather Range of southern Alaska to northern Vancouver Island, Canada. The data published in this data release were collected along the Queen Charlotte Fault between Cross Sound and Noyes Canyon, offshore southeastern Alaska from May 18 to June 11, 2016. Data [...]

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Attached Files

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2016-625-FA_Reson7160_Backscatter_10m_meta.xml
Original FGDC Metadata

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25.96 KB application/fgdc+xml
2016_625_FA_Reson7160_Backscatter_10m_browse.jpg
“browse jpg”
thumbnail 949.26 KB image/jpeg
Extension: 2016_625_FA_Reson7160_Bacskcatter_10m.zip
2016_625_FA_Reson7160_Bacskcatter_10m.tiff-ColorRamp.SLD 2.01 KB
2016_625_FA_Reson7160_Bacskcatter_10m.tiff 49.31 MB

Purpose

The purpose of this image is to provide a mosaic of time-series backscatter data of a portion of the Queen Charlotte Fault and adjacent seafloor. Our goals included determining how fast the two sides of the fault move past each other (slip rate) and deciphering the historical movement of the fault. We also want to better understand how large earthquakes might trigger potentially dangerous underwater landslides.

Additional Information

Raster Extension

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