Archived report (descriptions no longer maintained)
southern Whidbey Island fault zone (Class A) No. 572
Last Review Date: 2016-11-29
| County(s) and State(s) |
ISLAND COUNTY, WASHINGTON JEFFERSON COUNTY, WASHINGTON SNOHOMISH COUNTY, WASHINGTON |
| Physiographic province(s) |
PACIFIC BORDER |
| Reliability of location |
Good Compiled at 1:100,000 scale. |
| Length (km) | 64 km. |
| Average strike | N51°W |
| Sense of movement | Reverse, Left lateral |
| Dip | 45–80° NE |
| Historic earthquake | |
| Most recent prehistoric deformation | latest Quaternary (<15 ka) |
| Slip-rate category | Between 0.2 and 1.0 mm/yr |
| References |
Blakely, R.J., Wells, R.E., and Weaver, C.S., 1999, Puget Sound aeromagnetic maps and data: U.S. Geological Survey Open-File Report 99-514. Booth, D.B., 1994, Glaciofluvial infilling and scour of the Puget Lowland, Washington, during ice-sheet glaciation: Geology, v. 22, p. 695-698. Brocher, T.M., Parsons, T., Blakely, R.J., Christensen, N.I., Fisher, M.A., Wells, R.E., and SHIPS Working Group, 2001, Upper crustal structure in Puget Lowland, Washington—Results from the 1998 seismic hazards investigation in Puget Sound: Journal of Geophysical Research, v. 106, p. 13,541–13,564. Dadisman, S.V., Childs, J.R., Johnson, S.Y., and Rhea, S.V., 2000, Data Report for Cruise G#-95-PS, June, 1995, in Mosher, D.C., Johnson, S.Y., Rathwell, G.J., Kung, R.B., and Rhea, S.B., eds., Neotectonics of the eastern Strait of Juan de Fuca; a digital geological and geophysical atlas: Geological Survey of Canada Open File Report 3931, (CD digital product), 1 sheet. Easterbrook, D.J., 1968, Pleistocene stratigraphy of Island County: Washington Division of Water Resources, Water Supply Bulletin 25, Part I, 34 p. Finn, C., Phillips, W.M., and Williams, D.L., 1991, Gravity anomaly and terrain maps of Washington: U.S. Geological Survey Geophysical Investigations Map GP-988, scale 1:500,000 and 1:1,000,000. Gower, H.D., 1980, Bedrock geologic and Quaternary tectonic map of the Port Townsend area, Washington: U.S. Geological Survey Open-File Report 80-1174, 19 p., 1 sheet, scale 1:100,000. Gower, H.D., Yount, J.C., and Crosson, R.S., 1985, Seismotectonic map of the Puget Sound region, Washington: U.S. Geological Survey Miscellaneous Investigations Map I-1613, scale 1:250,000. Johnson, S.Y., Mosher, D.C., Dadisman, S.V., Childs, J.R., and Rhea, S., 2000, Tertiary and Quaternary structures of the eastern Strait of Juan de Fuca—Interpreted map, in Mosher, D.C., Johnson, S.Y., Rathwell, G.J., Kung, R.B., and Rhea, S.B., eds., Neotectonics of the eastern Strait of Juan de Fuca; a digital geological and geophysical atlas: Geological Survey of Canada Open File Report 3931 (CD digital product), 1 sheet. Johnson, S.Y., Potter, C.J., Armentrout, J.M., Miller, J.J., Finn, C., and Weaver, C.S., 1996, The southern Whidbey Island fault—An active structure in the Puget Lowland, Washington: Geological Society of America Bulletin, v. 108, p. 334-354 and oversize insert. Johnson, S.Y., Rhea, S., and Dadisman, S.V., 2000, Industry seismic-reflection tracklines, in Mosher, D.C., Johnson, S.Y., Rathwell, G.J., Kung, R.B., and Rhea, S.B., eds., Neotectonics of the eastern Strait of Juan de Fuca; a digital geological and geophysical atlas: Geological Survey of Canada Open File Report D3931, (CD digital product), 1 sheet. Keaton, J.R., and Perry, D.L., 2006, Chemical building seismic trenches, Brightwater wastewater treatment plant site, Snohomish County, Washington: Technical report to the King County Department of Natural Resources and Parks, MACTEC Project 4953-05-3181, 32 p. Kelsey, H.M., Sherrod, B., Johnson, S.Y., and Dadisman, S.V., 2004, Land-level changes from a late Holocene earthquake in the northern Puget Lowland, Washington: Geology, v. 32, no. 6, p. 469–472, doi:10.1130/G20361.1. Liberty, L.M., and Pape, K.M., 2007, Seismic characterization of the Seattle and southern Whidbey Island fault zones in the Snoqualmie River Valley, Washington: Technical report to the U.S. Geological Survey under contract number 06HQGR0111, 17 p., http://earthquake.usgs.gov/research/external/reports/06HQGR0111.pdf Polenz, M., Schasse, H.W., and Petersen, B.B., 2006, Geologic map of the Freeland and northern part of the Hansville 7.5-minute quadrangle, Island County, Washington: Washington Division of Geology and Earth Resources, Geologic Map GM-64, scale 1:24,000. Porter, S.C., and Swanson, T.W., 1998, Radiocarbon age constraints on rates of advance and retreat of the Puget lobe of the Cordilleran ice sheet during the last glaciation: Quaternary Research, v. 50, p. 205-213. Sherrod, B.L., Blakely, R.J., Weaver, C.S. Kelsey, H.M. Barnett, E.,Liberty, L. Meagher, K.L., and Pape, K., 2008, Finding concealed active faults—Extending the southern Whidbey Island fault across the Puget Lowland, Washington: Journal of Geophysical Research, v. 113, no. B5, doi:0.1029/2007JB005060. Wagner, H.C., and Tomson, J.H., 1987, Offshore geology of the Strait of Juan de Fuca, State of Washington and British Columbia, Canada: Washington Division of Geology and Earth Resources Open-File Report 87-1, 16 p. Wagner, H.C., and Wiley, M.C., 1983, Offshore Quaternary geology of the northern Puget Sound-eastern Strait of Juan de Fuca region, Washington, in Yount, J.C., and Crosson, R.S., eds., Proceedings of workshop XIV, Earthquake hazards of the Puget Sound region, Washington: U.S. Geological Survey Open-File Report 83-19, p. 178-267. |