Airborne hunt for faults in the Portland-Vancouver area
Fact Sheet
105-96
Prepared in cooperation with the Oregon Department of Geology and Mineral Industries, Portland State University, Oregon State University, and Washington Division of Geology and Earth Resources
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Abstract
Geologic hazards in the Portland-Vancouver area include faults entirely hidden by river sediments, vegetation, and urban development. A recent aerial geophysical survey revealed patterns in the Earth's magnetic field that confirm the existence of a previously suspected fault running through Portland. It also indicated that this fault may pose a significant seismic threat. This discovery has enabled the residents of the populous area to better prepare for future earthquakes.
Suggested Citation
Blakely, R.J., Wells, R.E., Yelin, T.S., Stauffer, P.H., and Hendley, J.W., II, Airborne hunt for faults in the Portland-Vancouver area: U.S. Geological Survey Fact Sheet 105–96, 2 p. (Available at https://pubs.usgs.gov/fs/1996/0105/.)
ISSN: 2327-6932 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Airborne hunt for faults in the Portland-Vancouver area |
| Series title | Fact Sheet |
| Series number | 105-96 |
| DOI | 10.3133/fs10596 |
| Year Published | 1996 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Contributing office(s) | Earthquake Science Center |
| Description | 2 p. |
| Google Analytic Metrics | Metrics page |