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Alaska Bathymetry: Central Gulf of Alaska Geological Features(pg 1, 2, 3, 4, 5, 6, 7, 8, 9, 10)

Geological Features of Central Gulf of Alaska

Kodiak Fault Zone

Narrow Cape Fault and the Kodiak Fault Zone (KFZ) on Southern and Middle Albatross Banks, south of Kodiak Island, as depicted by slope (A), or depth change (von Huene et al. 1980; Carver et al. 2008, see Plate 1). The KFZ appears to consist of an elevated platform and a steep south-facing scarp in the slope data. The inset of a single-beam echogram (B) shows a depth change from 62 to 50 m over a distance of about 200 m as the KFZ is approached from the south (indicated with black arrow), south of Sitkinak Island, which images a south-facing scarp and associated uplifted northern platform.

kodiak fault zone

References
Carver, G., J. Sauber, W. Lettis, R. Witter, and B. Whitney. 2008. Active faults on Northeastern Kodiak Island, Alaska. Active Faults on Northeastern Kodiak Island, Alaska. In Active Tectonics and Seismic Potential of Alaska (eds J.T. Freymueller, P.J. Haeussler, R.L. Wesson and G. Ekström), American Geophysical Union, Washington, D. C. pp. 167-184.

von Huene, R., M.A. Hampton, M.A. Fisher, D.J. Varchol, and G.R. Cochrane. 1980. Near-surface geologic structures, Kodiak Shelf, Alaska. 1:500,000, Map MF-1200, U.S. Geol. Survey, Misc. Field Stud.

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