• NOTE: If you are interested in a particular topic or application of MT, we have many papers in our digital files. Email us, and we'll try and supply articles to meet your needs. Email us to request copies of articles without download links

A listing of many of our published articles can be found on Google Scholar. CLICK HERE to go to the Google Scholar page.

• Correlation between 2d seismic, magnetotelluric and gravity data acquired in Norte Basin of Uruguay. P Rodríguez, J Marmisolle, P Gristo, H De Santa Ana, K Christopherson SEG Technical Program Expanded Abstracts 2016, 895-900 (full abstract available from SEG website)

• The CSIMT method combining natural MT signals and cultural noise as sources. GK Rosenkjaer, W Cumming, K Christopherson SEG Technical Program Expanded Abstracts 2016, 889-894 (full abstract from SEG website)

• Christopherson, Karen R., 2022, Mapping sub-basalt structure of the Columbia River Basin with MT. MTNet EMinar WATCH ON YOUTUBE

• Unruh, Jeffrey; Gray, Brian; Christopherson, Karen; Pullammanappallil, Satish; Alm, Steve; Blake, Kelly, 2016, Seismic Reflection and Magnetotelluric Imaging of Southwestern Dixie Valley Basin, Nevada. GRC Transactions, Vol. 40, 2016, 456-461 READ PAPER

• Christopherson, Karen, 2013, Penrose (Colorado) Well Temperatures, DOE Geothermal Data Repository: Publication date 2013/3/15; Issue 343

• Christopherson, Karen R., Ayling, Bridget F., Blake, Kelly, 2020, 40 Years of Women in the Geothermal Sector: 1980-2020. Proceedings World Geothermal Congress 2021. READ

• click here to download a PowerPoint presentation about Magnetotellurics, how it works, what it's used for, and where it's been applied (file size is 1.7mb).

• "Mining, Environmental, Petroleum and Engineering Industry Applications of Electromagnetic Techniques in Geophysics", 2005, Surveys in Geophysics, by Sheard, Ritchie, Christopherson, and Brand - an overview of the use of EM Geophysics in many industries. Read the paper

• "EM in the 21st Century: Looking for Oil, Gas, and Water", 2002, EM Workshop Santa Fe by Karen Christopherson Read the paper

• "What in the heck is Magnetotellurics?", AAPG Geophysical Corner, AAPG Explorer by Karen Christopherson. Two parts, an intro to MT Part1

• "Doing it all - a career in electromagnetic methods", The Leading Edge by Karen Christopherson Read the article (in pdf format)

• "Applications of magnetotellurics to petroleum exploration in Papua New Guinea: A model for frontier areas", 1991, The Leading Edge by Karen Christopherson Read paper

• Comparison of magnetotelluric data with drilling results in Papua New Guinea, Karen Rae Christopherson, Exploration Geophysics Jun 1992, Vol. 23, No. 1/2, pp. 61-64 (available online from SEG)

• Karen's master's thesis concerned geophysical studies (audio magnetotelluric and others) of the Steamboat Springs Colorado Geothermal Systems. Download thesis (40 mb)

• Magnetotellurics in Papua New Guinea,Karen R. Christopherson SEG Technical Program Expanded Abstracts 1989: 160-164.

• Imaging and interpretation of MT data: Some case histories, Karen R. Christopherson, Ransom P. Reddig SEG Technical Program Expanded Abstracts 1987: 161-163

• Reconnaissance geophysics in the Clifton and Gillard geothermal areas, SE Arizona; Open-File Report 80-325, By: D. Klein, C.L. Long, K.R. Christopherson, and F. Boler

• Telluric profiles and location map for Vulcan Hot Springs Known Geothermal Resource Area, Idaho; Open-File Report 80-518, By: Karen R. Christopherson, R.M. Senterfit, and Moutaz Dalati

• Gravity observations; Clifton-Morenci area, Greenlee County, SE Arizona; Open-File Report 80-96, By: Frances M. Boler, D. Klein, K.R. Christopherson, and D. Hoover

• Telluric profiling studies on the Papago Indian Reservation, Arizona; Karen R. Christopherson, Kelvin Young, Bennett Vavarges, Vernon Lewis, 1980, Open-File Report 80-314

• Audio-magnetotelluric and telluric profiling studies in the Shaw Warm Springs region, Colorado; Open-File Report 81-958, By: Karen R. Christopherson, K.H. Nervick, and W.D. Heran

• Additional audio-magnetotelluric soundings in the Lassen Known Geothermal Resource Area, Plumas and Tehama counties, California; Open-File Report 81-959, By: Karen R. Christopherson and Laurel Pringle

• Telluric profiling studies in the Penrose area, Colorado; Open-File Report 81-461, By: Karen R. Christopherson, Kevin H. Nervick, and William D. Heran

• E-field ratio telluric survey near Medicine Lake in the Medicine Lake Highlands caldera, Siskiyou County, California; Open-File Report 82-900, By: M.M. Broker, K.R. Christopherson, and Ron Heller

• Reconnaissance resistvity mapping of geothermal regions using multi-coil airborne electromagnetic systems (abs.): Christopherson, K. R., and Hoover, D. B., 1981, Geophysics, v. 47, no. 4, p. 425-426.
  • DIGHEM Maps - Lassen CA, Mt Hood OR, Medicine Lake CA, Surprise Valley CA

• Geophysical Studies of the Newberry Caldera KGRA, Oregon; Christopherson and others, 1981, Submitted to USGS Conservation Division

• Geophysical studies of the Lassen KGRA, California: Christopherson, K. R., 1980, Geothermal Resources Council Transactions, v. 4, p. 25-28.

• Geophysical Studies of the Fly Ranch Northeast and Gerlach Northeast KGRA's, Nevada: Christopherson et al, 1980, USGS Technical Report

• Airborne electromagnetic surveys as reconnaissance technique for geothermal exploration: Christopherson, K. R., Long, Carl L. and Hoover, Donald B., 1980, Geothermal Resources Council Transactions, v. 4, p. 29-31.
• Abstract
• Wabuska NV - AMT and Airborne EM - slides from presentation
• Surprise Valley CA - AMT and Airborne EM - slides from presentation

• Lassen Known Geothermal Resource Area, California; audio-magneto-telluric data sheets, station location map, and contour maps; Karen R. Christopherson, D.B. Hoover, Vernon Lewis, Bruce Radtke, R.M. Senterfit, 1980, Open-File Report 80-313

• Evaluation of airborne electromagnetic surveys for geothermal exploration: ; Christopherson, K. R., Long, C. L., and Hoover, D. B.,1980, Geophysics v. 46, p 458 (abs)
  • Steamboat Hills NV AMT and Airborne EM - slides from SEG presentation
  • Steamboat Hills NV AMT and Airborne EM - Abstract and slide notes

• The Steamboat Springs, Colorado Geothermal Systems: Geophysical and Geological Investigations: Christopherson, Karen R., 1979, Geothermal Resources Council Transactions, v. 3, p. 113-116. (download from GRC website or request)

• Telluric profile and location map for the Broadwater Hot Springs area, Montana; Karen R. Christopherson, R.M. Senterfit, Vernon Lewis, Moutaz Dalati, 1979, Open-File Report 79-1670

• Telluric profiles and location map for the Ennis Hot Springs area, Montana; Karen R. Christopherson, R.M. Senterfit, Vernon Lewis, Moutaz Dalati, 1979, Open-File Report 79-1671

• Telluric traverse location map and profiles for Double Hot Springs Known Geothermal Resource Area, Nevada; R.M. Senterfit, Donald B. Hoover, Karen R. Christopherson, 1978, Open-File Report 78-106-A

• Schlumberger soundings in Fish Lake Valley area, Nevada; Stephan A. Manydeeds, V.J. Flanigan, K.R. Christopherson, V. Farkash, 1978, Open-File Report 78-373 (report), Plate 1, Plate 2

• Telluric traverse location map and profile for Gerlach Northwest Known Geothermal Resource Area, Nevada; Karen R. Christopherson, Donald B. Hoover, David J. Cesario, 1977, Open-File Report 77-66-E

• Telluric survey data for Pinto Hot Springs Known Geothermal Resource Area, Nevada; Supplement to 76-701A; James E. O'Donnell, G.W. Brougham, R. Martinez, K.R. Christopherson, 1977, Open-File Report 77-66-A

• Telluric survey data for Breitenbush Known Geothermal Resource Area, Oregon; Supplement to 76-701-D; James E. O'Donnell, G.W. Brougham, R. Martinez, K.R. Christopherson, 1977, Open-File Report 77-66-B

• Telluric traverse location map and profiles for Fly Ranch Northeast Known Geothermal Resource Area, Nevada; Karen R. Christopherson, Donald B. Hoover, R.M. Senterfit, 1977, Open-File Report 77-66-D

• Station location map and audio-magnetotelluric and telluric data for Wendel-Amedee Known Geothermal Resource Area, California; James E. O'Donnell, C.L. Long, R.M. Senterfit, G.W. Brougham, R.J. Martinez, K.R. Christopherson, 1976, Open-File Report 76-700-G

• Telluric traverse location map and profiles for Wendel-Amedee Known Geothermal Resource Area, California; Michael L. Batzle, Stephen E. Hammond, Karen R. Christopherson, 1976, Open-File Report 76-701-C

• Telluric traverse location map and profile for Breitenbush KGRA, Oregon; Michael L. Batzle, Stephen E. Hammond, Karen R. Christopherson1976, Open-File Report 76-701-D