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The Mark at Eugene January 6, 2026
<br />Seismic Hazard Study 17 Project No.: 2251077
<br />Eugene, Oregon Landmark Construction, LLC
<br />USGS, 2013, ANSS Comprehensive Earthquake Catalog (ComCat): U.S. Geological
<br />Survey (USGS), Conterminous U.S., 80 km (49.7 mi) radius earthquake circle
<br />search, website: https://earthquake.usgs.gov/earthquakes/search/, accessed
<br />December 2025.
<br />USGS, 2014a, 2014 National Seismic Hazard Maps - Source Parameters - Spatial
<br />Query: US Geological Survey (USGS), website:
<br />https://earthquake.usgs.gov/cfusion/hazfaults_2014_search/query_main.cfm,
<br />accessed December 2025.
<br />USGS, 2014b, Earthquake Hazards Program, Interactive Deaggregations, Dynamic
<br />Conterminous U.S. 2014 (v.4.2.0): U.S. Geological Survey (USGS), 2% in
<br />50 years return period (2,475 years) PGA spectral acceleration,
<br />latitude/longitude search, reference material has no specific release date,
<br />website: https://earthquake.usgs.gov/hazards/interactive/index.php, accessed
<br />December 2025.
<br />USGS, 2016, Quaternary Fault and Fold Database for the United States - Oregon: U.S.
<br />Geological Survey (USGS), Class A and B faults, reference material has no
<br />specific release date, maintained limited number of metadata fields after January
<br />12, 2017, website:
<br />https://earthquake.usgs.gov/cfusion/qfault/query_results_AB.cfm, accessed
<br />December 2025.
<br />USGS, 2022, Quaternary Fault and Fold Database of the United States - Interactive
<br />Fault Map: U.S. Geological Survey (USGS), Qfaults and NSHM 2024 Fault
<br />Source Layers, reference material has no specific release date, updated
<br />September 27, 2022 website:
<br />https://usgs.maps.arcgis.com/apps/webappviewer/index.html?id=5a6038b3a
<br />1684561a9b0aadf88412fcf, accessed December 2025.
<br />Wang, Y., Keefer, D.K., and Wang, Z., 1998, Seismic Hazard Mapping in Eugene-
<br />Springfield, Oregon: Oregon Geology, vol. 60, no. 2, p. 31-41.
<br />Weaver, C.S., and Shedlock, K.M., 1996, Estimates of Seismic Source Regions from
<br />the Earthquake Distribution and Regional Tectonics in the Pacific Northwest: in
<br />Roger, A.M., Walsh, T.J., Kockelman, W.J., and Priest, G.R., eds., Assessing
<br />Earthquake Hazards and Reducing Risk in the Pacific Northwest, U.S. Geological
<br />Survey (USGS), Professional Paper 1560, vol. 1, p. 285-306.
<br />Wiley, T.J., 2008, Preliminary Geologic Maps of the Corvallis, Wren, and Marys Peak
<br />7.5' Quadrangles, Benton, Lincoln and Linn Counties, Oregon: Oregon
<br />Department of Geology and Mineral Industries (DOGAMI), Open-File Report
<br />O-08-14, Scale= 1:24,000, 11 p.
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