Ryan Porter
Northern Arizona University
School of Earth Sciences and Environmental Sustainability
PO Box 4099, Flagstaff, AZ 86011
Phone: (928) 523-2429
Email: Ryan.Porter@nau.edu
Northern Arizona University
School of Earth Sciences and Environmental Sustainability
PO Box 4099, Flagstaff, AZ 86011
Phone: (928) 523-2429
Email: Ryan.Porter@nau.edu
EDUCATION
UNIVERSITY OF ARIZONA Tucson, AZ
Ph.D. Geosciences December 2011
WHITMAN COLLEGE Walla Walla, WA
B.A. Geology-Physics May 2006
History Minor
RESEARCH INTERESTS
Earthquake Seismology, Active Tectonics, Crustal and Upper Mantle Structure, Subduction Zone Processes, Seismic Anisotropy, Shallow Geophysics, Ground and Surface Water
PROFESSIONAL EXPERIENCE
Associate Professor Northern Arizona University August 2019 - Present
Assistant Professor Northern Arizona University January 2014 – August 2019
Postdoctoral Fellow Carnegie Institution for Science April 2012 - December 2013
Postdoctoral Researcher University of Arizona January 2012 - March 2012
RA/TA University of Arizona August 2006 - December 2011
Undergrad Researcher Keck Geology Consortium June 2005 – April 2006
GOOGLE SCHOLAR SITE:
https://scholar.google.com/citations?user=VrFY4scAAAAJ&hl=en
PEER REVIEWED PUBLICATIONS
*Petersen, S., Hoisch, T., Porter., R. Assessing the Role of Water in Alaskan Flat-Slab Subduction. Accepted. Geochemistry, Geophysics, Geosystems.
Porter, R., & Reid, M., 2021. Mapping the thermal lithosphere and melting across the continental US. Geophysical Research Letters, 48, e2020GL092197. https://doi.org/10.1029/2020GL092197
Porter, R., Joyal, T., *Beers, R., Loverich, J., *Laplante, A., *Spruell, J., Youberg, A., Schenk, E., Robichaud, P. and Springer, A., 2021. Seismic Monitoring of Post-Wildfire Debris Flows Following the 2019 Museum Fire, Arizona. Frontiers in Earth Science, 9, p.235.
Craddock, J.P., Neilson, K., *Petersen, C., Porter, R. and Malone, D.H., 2020. Calcite twinning fabrics along the Middle America trench, Costa Rica and the Motagua sinistral fault, Honduras and Jamaica: Tectonic implications for the Caribbean plate. Journal of South American Earth Sciences, 104, p.102816
Craddock, J.P., Malone, D.H., Wartman, J., Kelly, M.J., Junlai, L., Bussolotto, M., Invernizzi, C., Knott, J. and Porter, R., 2019. Calcite twinning strains from syn-faulting calcite gouge: small-offset strike-slip, normal and thrust faults. International Journal of Earth Sciences, 1-42.
Porter, R.C., van der Lee, S. and Whitmeyer, S.J., 2019. Synthesizing EarthScope data to constrain the thermal evolution of the continental US lithosphere. Geosphere, 15(6), pp.1722-1737.
Groshong, R., Porter, R., 2019. Predictive models for the deep geometry of a thick-skinned thrust matched to crustal structure: Wind River Range, western USA. Lithosphere. 11 (4): 448-464. https://doi.10.1130/L1031.1
*Haddon, A., & Porter, R. 2018. S‐Wave Receiver Function Analysis of the Pampean Flat‐Slab Region: Evidence for a Torn Slab. Geochemistry, Geophysics, Geosystems, 19(10), 4021-4034.
Porter, R., Hoisch, T. Holt., W. E., 2017. The Role of Lower-Crustal Hydration in the Tectonic Evolution of the Colorado Plateau. Tectonophysics. 712-713, 221-231.
Craddock, J. P., Malone, D. H., Porter, R., *Compton, J., Luczaj, J., Konstantinou, A., et al., 2017. Paleozoic reactivation structures in the Appalachian-Ouachita-Marathon foreland: Far-field deformation across Pangea. Earth-Science Reviews, 1–93. http://doi.org/10.1016/j.earscirev.2017.04.002
Brumbaugh, D. S., Porter, R., & Young, J. J., 2016. Seismic and Tectonic Analysis of the 2014–2015 Flagstaff, Arizona, Earthquake Sequence. Bulletin of the Seismological Society of America, 106(6), 2695–2705. http://doi.org/10.1785/0120150357
Porter, R., *Liu, Y., & Holt, W. E., 2016, Lithospheric Records of Orogeny within the Continental US. Geophysical Research Letters, 43. http://doi.org/10.1002/(ISSN)1944-8007
Craddock, J., Malone D., Porter, R., MacNamee A., Mathisen M., Kravtiz K, Leonard A., 2015, Landslide Origin of the ~49.5-51.7 Ma Allochthonous South Fork Structure, Wyoming, USA. The Journal of Geology. 123, 4. 311-335.
*Delph, J.R. and Porter R.C., 2014, Crustal structure beneath southern Africa: Insight into how tectonics events affect the Mohorovicic Discontinuity, Geophysical Journal International. 200 (1), 245-264.
Porter, R. C., Fouch, M. J., & Schmerr, N. C., 2014. Dynamic lithosphere within the Great Basin. Geochemistry, Geophysics, Geosystems, 15(4), 1128-1146.
*Allison, C., Porter, R., Fouch, M., Semken, S., 2013. Seismic evidence for lithospheric modification beneath the Mojave Neovolcanic Province, Southern California, Geophysical Research Letters, 40 (19): 5119–5124
*Ward, K., Porter, R., Zandt, G., Beck, S., Wagner, L., Estela, M., Hernando, T., 2013. Ambient Noise Tomography Across the Central Andes. Geophysical Journal International, 194 (3): 1559-1573.
Porter, R., Gilbert, H., Zandt, G., Beck, S., Warren, L., Calkins, J., Alvarado, P., Anderson, M., 2012. Shear wave velocities in the Pampean flat-slab region from Rayleigh wave tomography: Implications for slab and upper mantle hydration. Journal of Geophysical Research-Solid Earth, 117, B11301.
Porter, R., Zandt, G., McQuarrie, N., 2011. Pervasive lower-crustal seismic anisotropy in Southern California: Evidence for underplated schists and active tectonics. Lithosphere, 3, 2011.
*Student Authors or Coauthors
OTHER PUBLICATIONS
Porter R. Why the West is High: A Geophysics Perspective. 2017. Outcrop. Rocky Mountain Association of Geologist. Denver, CO. 66 (11). 27-30.
Porter et al., The Anisotropic Magnetic Susceptibility Of Proterozoic Northshore Volcanic Rhyolites, Keweenaw Rift in: 19th Annual Keck Symposium; http://keck.wooster.edu/publications
FUNDED PROJECTS
Collaborative Research: Tempo of Andean Net to Gross Orogeny (TANGO), Funded by NSF - FRES (October 1, 2020 - September 30, 2024), PI Ryan Porter
Museum Fire Monitoring, Funded by US Forest Service (July 1, 2020-July 1, 2025), PI Ryan Porter
RAPID: Seismic Monitoring of Post-Fire Debris Flows Associated with the Museum Fire, Northern Arizona, NSF – Geophysics, (July 30, 2019-January 31st, 2020), PI Ryan Porter with CoPI Taylor Joyal, Abe Springer.
Geophysical Exploration Of the Dynamics and Evolution of the Solar System (GEODES), NASA, (October 1, 2019- September 20, 2024), PI Nicholas Schmerr with CoPI Ryan Porter and 38 others.
Eloy and Maricopa-Stanfield Basin Study, Bureau of Reclamation, (September 1, 2018 - June 30, 2019), PI Abe Springer with CoPI Julie Miller, CoPI Benjamin Ruddell, CoPI Ryan Porter, and CoPI Paul Umhoefer.
Collaborative Research: Integrating Geophysical and Geochemical Data to Understand the Hydration and Thermal State of the Colorado Plateau Lithosphere, NSF – EarthScope, (January 1, 2019 - December 31, 2020), PI Ryan Porter with PI Thomas Hoisch, PI Mary Reid.
Assessing the Role of Water in Cordilleran Flat Slab Subduction Regions, NSF-Geophysics, (April 1, 2017-March 31, 2019), PI Ryan Porter.
International Field Experiences in Geophysics: A collaboration between Northern Arizona University (NAU) and the Universidad Nacional Autónoma de México (UNAM), 100K Strong for the Americas, (June 1, 2017 - May 31, 2018), awarded March 1, 2017, PI Ryan Porter with CoPI Michael Ort, CoPI Gerardo Carrasco Nunez, CoPI Fernando Corbo.
Analog Field Deployments of Small Aperture Seismic Arrays on Terrestrial Bodies, NASA – PSTAR, (September 1, 2016 – August 31, 2019), PI Nicholas Schmerr with CoPI Ryan Porter, CoPI Jacob Bleacher, CoPI Kelsey Young.
Seismic Insights into the Basaltic Volcanism of the San Francisco Volcanic Field, Internally Funded by NAU Faculty Grants Program, (5/2015-5/2016), PI Ryan Porter.
INVITED PRESENTATIONS
University of New Mexico – September 2019
SUNY Stony Brook – May 2016
Washington State University – September 2015
University of Arizona – September 2014
AGU Fall Meeting – December 2013
Smithsonian Museum of Natural History – February 2013
Saint Louis University – January 2013
EarthScope Transportable Array Team Meeting – September 2012
Carnegie Institution of Washington Department of Terrestrial Magnetism – June 2012
TEACHING
GLG 101 – Intro to Geology
GLG 440C – Field Camp
GLG 470 – Physics and Chemistry of the Earth
GLG 560 – Applied Geophysics
GLG 561 – Regional Tectonics
GLG 565 – Solid Earth Geophysics
GLG 698 (Seminar) – Laramide Tectonics
GLG 698 (Seminar) – Orogenic Systems
GLG 698 (Seminar) – Colorado Plateau Geology
GLG 698 (Seminar) – Rio Grande Rift and Rivers
AWARDS
University of Arizona Galileo Circle Scholar 2009
Geodaze 2009 Best Geophysics talk
AGU Fall Meeting 2008 Outstanding Student Paper
Whitman College Eugene Marx Award for Distinguished Campus Service 2006
FIELD WORK
2019 - Present – Seismic Monitoring of Debris Flows
2016 - Present - Analog Field Deployments of Small Aperture Seismic Arrays on Terrestrial Bodies
2016 - USGS Pipe Springs Groundwater Project (TEM)
2015 - 2017 - USGS Truxton Basin Project (CSAMT)
2015 - 2017 - USGS Chino Valley Groundwater (CSAMT)
2013 - 2014 - Sunset Crater Seismic Experiment
2010 - 2011 - Central Andean Uplift and the Geodynamics of High Topography (CAUGHT)
2010 - 2011 - PerU Lithosphere and Slab Experiment (PULSE)
2008 - 2009 - Labarge Wyoming Seismic Project
2007 - 2009 - SIerras pampeanas Experiment using a Multicomponent BRoadband Array (SIEMBRA)
2007- Sierra Nevada Earthscope Project (SNEP)
2007 - Cascadia GPS Deployment
2005 - KECK Minnesota Project
PROFESSIONAL AFFILIATIONS
American Geophysical Union (AGU) Geological Society of America (GSA)
EXTERNAL SERVICE
Mentor for the Scientists in the Classroom Program Sinagua Middle School
Northern Arizona Planetary Science Alliance Steering Committee
NAU IRIS Representative
IRIS Quality Assurance Advisory Council
IRIS Summer Internship Mentor
NSF Reviewer for: EarthScope, Geophysics, Hydrologic Sciences, GeoPrisms, Tectonics, Frontiers in Earth Sciences, and Postdoctoral Fellowship Programs
NASA Reviewer
Reviewer for: ACS Petroleum Research Fund, Army Research Office, BSSA, Earth and Planetary Science Letters, Geology, G-cubed, Geophysical Journal International, Geophysical Research Letters, Geosphere, Journal of Geodynamics, Journal of Geophysical Research, Lithosphere, Marine Geophysical Research, Nature Communications, PLOS ONE, Physics of Earth and Planetary Interiors, Tectonics, Tectonophysics
Reviewer for: National Science Quiz Bowl
CERTIFICATIONS
NAU Association of College and University Educators (ACUE) Fellow
Wilderness First Responder
UNIVERSITY OF ARIZONA Tucson, AZ
Ph.D. Geosciences December 2011
WHITMAN COLLEGE Walla Walla, WA
B.A. Geology-Physics May 2006
History Minor
RESEARCH INTERESTS
Earthquake Seismology, Active Tectonics, Crustal and Upper Mantle Structure, Subduction Zone Processes, Seismic Anisotropy, Shallow Geophysics, Ground and Surface Water
PROFESSIONAL EXPERIENCE
Associate Professor Northern Arizona University August 2019 - Present
Assistant Professor Northern Arizona University January 2014 – August 2019
Postdoctoral Fellow Carnegie Institution for Science April 2012 - December 2013
Postdoctoral Researcher University of Arizona January 2012 - March 2012
RA/TA University of Arizona August 2006 - December 2011
Undergrad Researcher Keck Geology Consortium June 2005 – April 2006
GOOGLE SCHOLAR SITE:
https://scholar.google.com/citations?user=VrFY4scAAAAJ&hl=en
PEER REVIEWED PUBLICATIONS
*Petersen, S., Hoisch, T., Porter., R. Assessing the Role of Water in Alaskan Flat-Slab Subduction. Accepted. Geochemistry, Geophysics, Geosystems.
Porter, R., & Reid, M., 2021. Mapping the thermal lithosphere and melting across the continental US. Geophysical Research Letters, 48, e2020GL092197. https://doi.org/10.1029/2020GL092197
Porter, R., Joyal, T., *Beers, R., Loverich, J., *Laplante, A., *Spruell, J., Youberg, A., Schenk, E., Robichaud, P. and Springer, A., 2021. Seismic Monitoring of Post-Wildfire Debris Flows Following the 2019 Museum Fire, Arizona. Frontiers in Earth Science, 9, p.235.
Craddock, J.P., Neilson, K., *Petersen, C., Porter, R. and Malone, D.H., 2020. Calcite twinning fabrics along the Middle America trench, Costa Rica and the Motagua sinistral fault, Honduras and Jamaica: Tectonic implications for the Caribbean plate. Journal of South American Earth Sciences, 104, p.102816
Craddock, J.P., Malone, D.H., Wartman, J., Kelly, M.J., Junlai, L., Bussolotto, M., Invernizzi, C., Knott, J. and Porter, R., 2019. Calcite twinning strains from syn-faulting calcite gouge: small-offset strike-slip, normal and thrust faults. International Journal of Earth Sciences, 1-42.
Porter, R.C., van der Lee, S. and Whitmeyer, S.J., 2019. Synthesizing EarthScope data to constrain the thermal evolution of the continental US lithosphere. Geosphere, 15(6), pp.1722-1737.
Groshong, R., Porter, R., 2019. Predictive models for the deep geometry of a thick-skinned thrust matched to crustal structure: Wind River Range, western USA. Lithosphere. 11 (4): 448-464. https://doi.10.1130/L1031.1
*Haddon, A., & Porter, R. 2018. S‐Wave Receiver Function Analysis of the Pampean Flat‐Slab Region: Evidence for a Torn Slab. Geochemistry, Geophysics, Geosystems, 19(10), 4021-4034.
Porter, R., Hoisch, T. Holt., W. E., 2017. The Role of Lower-Crustal Hydration in the Tectonic Evolution of the Colorado Plateau. Tectonophysics. 712-713, 221-231.
Craddock, J. P., Malone, D. H., Porter, R., *Compton, J., Luczaj, J., Konstantinou, A., et al., 2017. Paleozoic reactivation structures in the Appalachian-Ouachita-Marathon foreland: Far-field deformation across Pangea. Earth-Science Reviews, 1–93. http://doi.org/10.1016/j.earscirev.2017.04.002
Brumbaugh, D. S., Porter, R., & Young, J. J., 2016. Seismic and Tectonic Analysis of the 2014–2015 Flagstaff, Arizona, Earthquake Sequence. Bulletin of the Seismological Society of America, 106(6), 2695–2705. http://doi.org/10.1785/0120150357
Porter, R., *Liu, Y., & Holt, W. E., 2016, Lithospheric Records of Orogeny within the Continental US. Geophysical Research Letters, 43. http://doi.org/10.1002/(ISSN)1944-8007
Craddock, J., Malone D., Porter, R., MacNamee A., Mathisen M., Kravtiz K, Leonard A., 2015, Landslide Origin of the ~49.5-51.7 Ma Allochthonous South Fork Structure, Wyoming, USA. The Journal of Geology. 123, 4. 311-335.
*Delph, J.R. and Porter R.C., 2014, Crustal structure beneath southern Africa: Insight into how tectonics events affect the Mohorovicic Discontinuity, Geophysical Journal International. 200 (1), 245-264.
Porter, R. C., Fouch, M. J., & Schmerr, N. C., 2014. Dynamic lithosphere within the Great Basin. Geochemistry, Geophysics, Geosystems, 15(4), 1128-1146.
*Allison, C., Porter, R., Fouch, M., Semken, S., 2013. Seismic evidence for lithospheric modification beneath the Mojave Neovolcanic Province, Southern California, Geophysical Research Letters, 40 (19): 5119–5124
*Ward, K., Porter, R., Zandt, G., Beck, S., Wagner, L., Estela, M., Hernando, T., 2013. Ambient Noise Tomography Across the Central Andes. Geophysical Journal International, 194 (3): 1559-1573.
Porter, R., Gilbert, H., Zandt, G., Beck, S., Warren, L., Calkins, J., Alvarado, P., Anderson, M., 2012. Shear wave velocities in the Pampean flat-slab region from Rayleigh wave tomography: Implications for slab and upper mantle hydration. Journal of Geophysical Research-Solid Earth, 117, B11301.
Porter, R., Zandt, G., McQuarrie, N., 2011. Pervasive lower-crustal seismic anisotropy in Southern California: Evidence for underplated schists and active tectonics. Lithosphere, 3, 2011.
*Student Authors or Coauthors
OTHER PUBLICATIONS
Porter R. Why the West is High: A Geophysics Perspective. 2017. Outcrop. Rocky Mountain Association of Geologist. Denver, CO. 66 (11). 27-30.
Porter et al., The Anisotropic Magnetic Susceptibility Of Proterozoic Northshore Volcanic Rhyolites, Keweenaw Rift in: 19th Annual Keck Symposium; http://keck.wooster.edu/publications
FUNDED PROJECTS
Collaborative Research: Tempo of Andean Net to Gross Orogeny (TANGO), Funded by NSF - FRES (October 1, 2020 - September 30, 2024), PI Ryan Porter
Museum Fire Monitoring, Funded by US Forest Service (July 1, 2020-July 1, 2025), PI Ryan Porter
RAPID: Seismic Monitoring of Post-Fire Debris Flows Associated with the Museum Fire, Northern Arizona, NSF – Geophysics, (July 30, 2019-January 31st, 2020), PI Ryan Porter with CoPI Taylor Joyal, Abe Springer.
Geophysical Exploration Of the Dynamics and Evolution of the Solar System (GEODES), NASA, (October 1, 2019- September 20, 2024), PI Nicholas Schmerr with CoPI Ryan Porter and 38 others.
Eloy and Maricopa-Stanfield Basin Study, Bureau of Reclamation, (September 1, 2018 - June 30, 2019), PI Abe Springer with CoPI Julie Miller, CoPI Benjamin Ruddell, CoPI Ryan Porter, and CoPI Paul Umhoefer.
Collaborative Research: Integrating Geophysical and Geochemical Data to Understand the Hydration and Thermal State of the Colorado Plateau Lithosphere, NSF – EarthScope, (January 1, 2019 - December 31, 2020), PI Ryan Porter with PI Thomas Hoisch, PI Mary Reid.
Assessing the Role of Water in Cordilleran Flat Slab Subduction Regions, NSF-Geophysics, (April 1, 2017-March 31, 2019), PI Ryan Porter.
International Field Experiences in Geophysics: A collaboration between Northern Arizona University (NAU) and the Universidad Nacional Autónoma de México (UNAM), 100K Strong for the Americas, (June 1, 2017 - May 31, 2018), awarded March 1, 2017, PI Ryan Porter with CoPI Michael Ort, CoPI Gerardo Carrasco Nunez, CoPI Fernando Corbo.
Analog Field Deployments of Small Aperture Seismic Arrays on Terrestrial Bodies, NASA – PSTAR, (September 1, 2016 – August 31, 2019), PI Nicholas Schmerr with CoPI Ryan Porter, CoPI Jacob Bleacher, CoPI Kelsey Young.
Seismic Insights into the Basaltic Volcanism of the San Francisco Volcanic Field, Internally Funded by NAU Faculty Grants Program, (5/2015-5/2016), PI Ryan Porter.
INVITED PRESENTATIONS
University of New Mexico – September 2019
SUNY Stony Brook – May 2016
Washington State University – September 2015
University of Arizona – September 2014
AGU Fall Meeting – December 2013
Smithsonian Museum of Natural History – February 2013
Saint Louis University – January 2013
EarthScope Transportable Array Team Meeting – September 2012
Carnegie Institution of Washington Department of Terrestrial Magnetism – June 2012
TEACHING
GLG 101 – Intro to Geology
GLG 440C – Field Camp
GLG 470 – Physics and Chemistry of the Earth
GLG 560 – Applied Geophysics
GLG 561 – Regional Tectonics
GLG 565 – Solid Earth Geophysics
GLG 698 (Seminar) – Laramide Tectonics
GLG 698 (Seminar) – Orogenic Systems
GLG 698 (Seminar) – Colorado Plateau Geology
GLG 698 (Seminar) – Rio Grande Rift and Rivers
AWARDS
University of Arizona Galileo Circle Scholar 2009
Geodaze 2009 Best Geophysics talk
AGU Fall Meeting 2008 Outstanding Student Paper
Whitman College Eugene Marx Award for Distinguished Campus Service 2006
FIELD WORK
2019 - Present – Seismic Monitoring of Debris Flows
2016 - Present - Analog Field Deployments of Small Aperture Seismic Arrays on Terrestrial Bodies
2016 - USGS Pipe Springs Groundwater Project (TEM)
2015 - 2017 - USGS Truxton Basin Project (CSAMT)
2015 - 2017 - USGS Chino Valley Groundwater (CSAMT)
2013 - 2014 - Sunset Crater Seismic Experiment
2010 - 2011 - Central Andean Uplift and the Geodynamics of High Topography (CAUGHT)
2010 - 2011 - PerU Lithosphere and Slab Experiment (PULSE)
2008 - 2009 - Labarge Wyoming Seismic Project
2007 - 2009 - SIerras pampeanas Experiment using a Multicomponent BRoadband Array (SIEMBRA)
2007- Sierra Nevada Earthscope Project (SNEP)
2007 - Cascadia GPS Deployment
2005 - KECK Minnesota Project
PROFESSIONAL AFFILIATIONS
American Geophysical Union (AGU) Geological Society of America (GSA)
EXTERNAL SERVICE
Mentor for the Scientists in the Classroom Program Sinagua Middle School
Northern Arizona Planetary Science Alliance Steering Committee
NAU IRIS Representative
IRIS Quality Assurance Advisory Council
IRIS Summer Internship Mentor
NSF Reviewer for: EarthScope, Geophysics, Hydrologic Sciences, GeoPrisms, Tectonics, Frontiers in Earth Sciences, and Postdoctoral Fellowship Programs
NASA Reviewer
Reviewer for: ACS Petroleum Research Fund, Army Research Office, BSSA, Earth and Planetary Science Letters, Geology, G-cubed, Geophysical Journal International, Geophysical Research Letters, Geosphere, Journal of Geodynamics, Journal of Geophysical Research, Lithosphere, Marine Geophysical Research, Nature Communications, PLOS ONE, Physics of Earth and Planetary Interiors, Tectonics, Tectonophysics
Reviewer for: National Science Quiz Bowl
CERTIFICATIONS
NAU Association of College and University Educators (ACUE) Fellow
Wilderness First Responder