Hammond, W.C., Kreemer, C., Blewitt, G., 2009, Geodetic constraints on contemporary deformation in the Northern Walker Lane: 3, Central Nevada seismic belt postseismic relaxation: accepted for publication in Late Cenozoic Structure and Evolution of the Great Basin – Sierra Nevada Transition, Geological Society of America, Special Volume, in press.
Blewitt, G., Hammond, W.C., Kreemer, C., 2009, Geodetic constraints on contemporary deformation in the Northern Walker Lane: 1, Semi-permanent GPS strategy: accepted for publication in Late Cenozoic Structure and Evolution of the Great Basin – Sierra Nevada Transition, Geological Society of America, Special Volume, in press.
Kreemer, C., Blewitt, G., Hammond, W.C., 2009, Geodetic constraints on contemporary deformation in the Northern Walker Lane: 2, Velocity and strain rate tensor analysis: accepted for publication in Late Cenozoic Structure and Evolution of the Great Basin – Sierra Nevada Transition, Geological Society of America, Special Volume, in press.
Hammond, W.C., C. Kreemer, G. Blewitt, 2007, Exploring the relationship between geothermal resources and geodetically inferred slip rates on faults in the Great Basin, Geothermal Resources Council Transactions, vol. 31, p 291-395 [PDF].
Kreemer, C. and W.C. Hammond, 2007, Geodetic constraints on areal-changes in the Pacific-North America plate boundary zone: What controls Basin and Range extension? Geology v. 35, no 10: p. 943-947, doi: 10.1130/G23868A.1. (PDF)
Hammond, W.C. and W. Thatcher, 2007, Crustal Deformation across the Sierra Nevada, Northern Walker Lane, Basin and Range transition, western United States measured with GPS, 2000-2004, J. Geophys. Res., 112, B05411, doi:10.1029/2006JB004625. (PDF)
Kreemer, K., Blewitt, G., Hammond, W.C., 2006, Using Geodesy to Explore Correlations between Crustal Deformation Characteristics and Geothermal Resources, Geothermal Resources Council Transactions, vol. 30. (PDF)
Plag, H.-P., Hammond, W.C., Pugh, D., Tsimplis, M.N., 2006, Appraisal of relative sea level rise scenarios for Venice, Final Project Report for the Consorzio Venezia Nuova, Nevada Bureau of Mines and Geology, University of Nevada, Reno.
Plag, H.-P., Blewitt, G., Kreemer, C., Hammond, W.C., 2006, Solid Earth deformations induced by the Sumatra earthquakes of 2004–2005: GPS detection of co-seismic displacements and tsunami-induced loading, in Dynamic Planet -- Monitoring and Understanding a Dynamic Planet with Geodetic and Oceanographic Tools, p. 549-556, ed. P. Tregoning and C. Rizos, Springer Verlag, Berlin.
Kreemer, C., Blewitt, G., Hammond, W.C., Plag, H.-P., 2006, Global Deformation from the Great 2004 Sumatra-Andaman Earthquake Observed by GPS: Implications for Rupture Process and Global Reference Frame, 2006, Earth Planets Space, v. 58, no. 2, p. 141–148. (PDF)
Blewitt, G., C. Kreemer, W. C. Hammond, H.-P. Plag, S. Stein, and E. Okal, 2006, Rapid determination of earthquake magnitude using GPS for tsunami warning systems, Geophysical Research Lettets, Vol. 33, L11309, doi:10.1029/2006GL026145. (PDF)
Hammond, W.C., 2005, The Ghost of an Earthquake, Perspective for Science, v. 310, p. 1440–1442. (PDF)
Hammond, W.C. and Thatcher, W., 2005, Northwest Basin and Range tectonic deformation observed with the Global Positioning System, 1999–2003, Journal of Geophysical Research, v. 100, no. B10, B10104, doi:10.1029, 2005JB003751.(PDF)
Blewitt, G., Hammond, W.C., and Kreemer, C., 2005, Relating geothermal resources to Great Basin tectonics using GPS, Geothermal Resources Council Transactions, v. 29, p. 331–336.
Hammond, W.C. and W. Thatcher, 2004, Contemporary tectonic deformation of the Basin and Range province, western United States: 10 years of observation with the Global Positioning System, Journal of Geophysical Research 109(B8), 8403, doi:10.1029/2003JB002746. (PDF)
Hammond, W.C., 2004, Vertical motion of the Basin and Range, western United States from 10 Years of Campaign GPS, Cahiers du Centre Européen de Géodynamique et de Séismologie, Proceedings of the workshop: The state of GPS vertical positioning precision: Separation of earth processes by space geodesy, ed T. van Dam, v. 23, p 131-136. (PDF)
Hammond, W.C., and D.R. Toomey, 2003 Seismic velocity anisotropy and heterogeneity beneath the Mantle Electromagnetic and Tomography Experiment (MELT) region of the East Pacific Rise from analysis of P and S body waves, Journal of Geophysical Research, 108(B4), 2176, doi:10.1029/2002JB001789. (PDF)
Toomey, D.R., W.S.D. Wilcock, J.A. Conder, D.W. Forsyth, J.D. Blundy, E.M. Parmentier, W.C. Hammond, 2002, Asymmetric mantle dynamics in the MELT region of the East Pacific Rise, Earth and Planetary Science Letters, 200, 287-295.
Hammond, W.C., and E.D. Humphreys, 2000, Upper mantle seismic wave velocity: Effects of realistic partial melt geometries, J. Geophys. Res., 105, 10,975-10,986. (PDF)
Hammond, W.C., and E.D. Humphreys, 2000, Upper mantle seismic wave attenuation: Effects of realistic partial melt distribution, J. Geophys. Res., 105, 10,987-10,999. (PDF)
Toomey, D.R., W.S.D. Wilcock, S.C. Solomon, W.C. Hammond, J.A. Orcutt, 1998, Mantle seismic structure beneath the MELT region of the East Pacific Rise from P and S wave tomography, Science, 280, 1224-1227. (PDF)
Conference and Workshop Proceedings
Plag, H.-P., Hammond, W., Kreemer, C., and Blewitt, G., 2007. Integrating point and image geodesy: Mutual benefits and requirements. Poster presented at the DESDynI Workshop, July 17-19, 2007, Orlando, Florida, USA (PDF).
Blewitt, G., C. Kreemer, W.C. Hammond, H.-P. Plag, 2007, Toward Broadband Exploration of Tectonic-Magmatic Interactions: Demonstration of Self-Consistent, "All-in-One" Rapid Analysis of GPS Mega-Networks using the Ambizap Algorithm, IUGG Perugia, July 2-13, 2007.
Kreemer, C, W.C. Hammond, G. Blewitt, 2007, New constraints on the motion and boundaries of the Sierra Nevada block and Colorado Plateau from continuous GPS velocities, IUGG Perugia, July 2-13, 2007.
Plag, H.-P., C. Kreemer, W.C. Hammond, 2007, Collocated absolute gravity measurements help to tie the geometric reference frame to the Center of Mass of the Earth System, IUGG Perugia, July 2-13, 2007.
Hammond, W.C., Block modeling of crustal deformation in the Northern Walker Lane, western Basin and Range, to improve estimates of seismic hazard, 2007, Eos Trans. AGU, 88(23), Jt. Assem. Suppl. Abstract G42A-03.
Kreemer, C., W.C. Hammond, H.-P. Plag, 2007, Detection of postseismic relaxation from the 1999 Hector Mine earthquake in southern Basin and Range GPS time series, Eos Trans. AGU, 88(23), Jt. Assem. Suppl. Abstract G42A-03, [invited] (talk given by Hammond).
Hammond, W.C., H.-P. Plag, C., Kreemer, G. Blewitt, 2007, Postseismic relaxation from remote earthquakes observed in non-linearity of southern Basin and Range/Yucca mountain GPS time series, Seismological Society of America Annual Meeting, Kona, HI, April 11-13, 2007.
Hammond, W.C., and C. Kreemer, 2007, Geodetic constraints on plate boundary control of Basin and Range extension, plenary session talk, EarthScope National Meeting, Monterey, CA, March 27-30, 2007.
Hammond, W.C., C., Kreemer, G. Blewitt, 2007, The Walker Lane: How Complex is it? Geodetic and geologic strain in the western Basin and Range using enhanced block-modeling algorithms, EarthScope National Meeting, Monterey, CA, March 27-30, 2007.
Plag, H.-P., Kreemer, C., Hammond, W.C., 2007, Combination of GPS-observed vertical motion with absolute gravity changes constrain the tie between reference frame origin and Earth center of mass, EarthScope National Meeting, Monterey, CA, March 27-30, 2007 (PDF).
Plag, H.-P., Hammond, W.C., Kreemer, C., Blewitt, G., 2007, Vertical motion observed with GPS: What can we learn about regional geophysical signals, Earth structure, and rheology? EarthScope National Meeting, Monterey, CA, March 27-30, 2007. (PDF)
Kreemer, C. G. Blewitt, W.C. Hammond, 2007, Continuous GPS velocities in the Intermountain West: New constraints on the motion of the Colorado Plateau, EarthScope National Meeting, Monterey, CA, March 27-30, 2007.
Hammond, W.C., Blewitt, G., 2006, Kreemer, C., H.-P. Plag, J. Anderson, K. Smith, 2006, Recent seismicity and surface deformation at Lake Tahoe: An update on lower crustal magma movement, abstract for inclusion in UNAVCO, Inc. proposal to NSF, February 2007.
Hammond, W.C., Kreemer, C., Blewitt, G., 2006, Comparing Geodetically and Geologically Inferred Deformation of the Walker Lane, western Basin and Range, abstract for inclusion in UNAVCO, Inc. proposal to NSF, February 2007.
Hammond, W. C., Z. Li, H.-P. Plag, G. Blewitt, C.Kreemer 2006, Results of InSAR and GPS measurement of tectonic deformation near the Eastern California Shear Zone and Yucca Mountain, Nevada, Eos Transactions American Geophysical Union, 87(52), G53D-0931, Fall Meeting Supplement.
Kreemer, C., W.C. Hammond, G. Blewitt, On the motion and geometry of the Sierra Nevada – Great Valley micro-plate: Implications for Walker Lane tectonics, Eos Transactions American Geophysical Union, 87(52), G42A-05, Fall Meeting Supplement [invited].
Plag, H.-P., W.C. Hammond, G. Blewitt, C. Kreemer, and Z. Li, 2006 Vertical motion observed with GPS and InSAR in the Nevada Basin and Range: What can we learn about geophysical signals, Earth structure, and rheology?, Eos Transactions American Geophysical Union, 87(52), G21A-06, Fall Meeting Supplement.
Blewitt, G., C. Kreemer, W.C. Hammond, H.-P. Plag, S. Stein, E. Okal, 2006, Rapid determination of earthquake magnitude using GPS for tsunami warning systems: An opportunity for IGS to make a difference, meeting of the US-Japan Natural Resources Panel for Earthquake Research.
Plag, H.-P., W. C. Hammond, 2006, Requirements for global reference frame stability: The cases of global and local sea level studies, IAG Geodetic Reference Frame Symposium, Munich Germany, October 9-14, 2006.
Plag, H.-P., R. M. Bingley, F. N. Teferle, H. P. Kierulf, S. D. P. Williams, and W.C. Hammond, 2006, Reference-frame induced uncertainties in measurements of vertical land motion at tide gauges: A case study for the European tide gauge network of the ESEAS, IAG Geodetic Reference Frame Symposium, Munich Germany, October 9-14, 2006.
Shevenell, L. Bell, J., Blewitt, G. , Calvin, W., Coolbaugh, M., Faulds, J., Garside, L., Gates, A., Hammond, W.C, Kratt, K., Kreemer, C., Lechler, P., Oppliger, G., Sladek, C., and Zehner, R., 2006, Update of Great Basin Center for Geothermal Energy Activities, meeting of the Geothermal Resource Council, San Diego, CA, September 2006.
Hammond, W.C., Yucca Mountain InSAR analysis update, presented at Department of Energy Yucca Mountain Project Meeting, Summerlin, NV, May 2006.
Kreemer, C., G. Blewitt, W.C. Hammond, 2006, Using geodesy to explore correlations between crustal deformation characteristics and geothermal resources, meeting of the Geothermal Resources Council San Diego, CA.
Kreemer, C and W.C. Hammond, 2006, Active Basin and Range Deformation Inferred from Horizontal GPS: A Kinematic Overview, Intermountain West Seismic Hazard workshop, Reno, NV, May 2006, [invited].
Hammond, W.C., 2006, Active Basin and Range Deformation Measured with GPS: A Kinematic Overview, meeting of the U.S.G.S. Basin and Range Province Earthquake Working Group, Salt Lake City, Utah, March 2006 [invited].
Hammond, W.C., G. Blewitt, C. Kreemer, H.-P. Plag, J. Anderson, K. Smith, 2006, Recent seismicity and surface deformation at Lake Tahoe: An update on lower crustal magma movement, UNAVCO, Inc. Annual Meeting, Denver, CO, March 13-16, 2006.
Hammond, W.C., 2006, Northwest Basin and Range Campaign GPS Results: What they imply for backarc extension and forearc motion, plus a look at the northern NV & CA Basin and Range, PANGA Annual Meeting, Eugene OR, Feb 17-18, 2006.
Hammond, W.C. and Plag, H.-P., 2005, Assessing land motion of Venice, Italy with GPS: Effects of regional filtering on vertical rate estimates: Eos, Transactions American Geophysical Union, v. 86, no. 52, G41B-0359, Fall Meeting Supplement.
Plag, H.-P, Hammond, W.C., Tsimplis, M.N., 2005, Assessing past and future local sea level rise in Venice: a complex balance of vertical land motion, atmospheric forcing, and oceanic contributions: Eos, Transactions American Geophysical Union, v. 86, no. 52, G210-08, Fall Meeting Supplement.
Kreemer, C., Blewitt, G., Hammond, W.C., and Plag, H.-P., 2005, Constraints on the postseismic deformation processes after the December 2004 and March 2005 Sumatra earthquakes from continuous GPS observations: Eos, Transactions American Geophysical Union, v. 86, no. 52, U11A-0825, Fall Meeting Supplement.
Blewitt, G., Hammond, W.C., Kreemer, C., Plag, H.-P., 2005, Nevada Earthquake Response GPS Network (NEARNET): Eos, Transactions American Geophysical Union, v. 86, no. 52, G11A-1182, Fall Meeting Supplement.
Blewitt, G., W.C. Hammond, C. Kreemer, and H.-P. Plag, 2005, From Yucca Mountain local stability to global quaking: GPS point-positioning strategies spanning the spatio-temporal spectrum, COMET- Advances in GPS Data Processing and Modeling for Geodynamics, University of London, KEYNOTE ADDRESS, 9-10 November, 2005.
Plag, H.-P., Blewitt, G., Kreemer, C., & Hammond, W. C., 2005. Sumatra earthquakes induced solid earth deformations detected by GPS: co-seismic displacements, normal modes, tsunami-induced loading, and post-seismic deformations, in Dynamic Planet 2005: Program & Abstract Book, p. 75, Abstract 053.
Hammond, W.C., Blewitt, G., Kreemer, C., 2005, Secular crustal deformation of the westernmost Basin and Range as inferred from MAGNET and other GPS networks, Geological Society of America meeting, October 2005, Salt Lake City, Utah, paper no. 85-3, [invited].
Hammond, W.C., Blewitt, G., Kreemer, C., 2005, First MAGNET results: Site and network performance assessment and future prospects for estimating slip rates on western Basin and Range faults, UNAVCO-IRIS Joint Workshop, Stevenson, Washington.
Blewitt, G., W.C. Hammond, and C. Kreemer, 2005, Targeting of Potential Geothermal Resources in the Great Basin from Relationships between Geodetic Strain and Geological Structures, DOE Geothermal Technologies Program Peer Review Meeting, July 26-28, 2005.
Blewitt G., Kreemer, C., Plag, H.-P., and Hammond, W.C., 2005, GPS strong motion at a various time scales from the Great Sumatra Earthquakes, UNAVCO-IRIS Joint Workshop, Stevenson, Washington, 2005.
Kreemer, C. and Hammond, W.C., 2005, Using a geodetic strain rate model for western North America to improve our understanding of the driving forces behind Basin and Range extension: Eos, Transactions American Geophysical Union, v. 86, no. 18, Joint Assembly Supplement, G23C-05, [invited].
Hammond, W.C., and Kreemer, C., 2005, Anomalous geodetic dilatation at the central Nevada seismic belt: Inferring secular and transient contributions: Eos, Transactions American Geophysical Union, v. 86, no. 18, Joint Assembly Supplement, G23C-04, [invited].
Kreemer, C., and Hammond, W.C., 2005, Using a geodetic strain rate model for the western United States to improve our understanding of the driving forces in continental extension zones, Geophysical Research Abstract, 7, [invited].
Blewitt, G., Plag, H.-P., Kreemer, C., Hammond, W.C., Titov, V.V., 2005, Effects of the Mw 9.0 Sumatra earthquake and tsunami on Earth's shape: Eos, Transactions American Geophysical Union, v. 86, no. 18, U52A-01, [invited].
Hammond, W.C. and Kreemer, C., 2005, Using geodetic data to estimate seismic hazard in the western Great Basin, Seismological Research Letters, v. 76, no. 2.
Hammond, W.C., Blewitt, G., Kreemer, C., 2005, Geodetic constraints on the rate and style of contemporary deformation in the northern Walker Lane, Seismological Research Letters, v. 76, no. 2 [invited].
Blewitt, G., Plag, H.-P., Kreemer, C., and Hammond, W.C., 2005, Effects of the Mw 9.0 Sumatra earthquake and tsunami on Earth’s shape, Seismological Research Letters, v. 76, no. 2.
Hammond, W.C., Blewitt, G., Kreemer, C., 2005, Understanding northwest Basin and Range tectonics, from the northern Walker Lane to the central Nevada seismic belt, using EarthScope data: EarthScope Annual Meeting, Albuquerque, New Mexico, March, 2005.
Hammond, W.C., Thatcher, W., Blewitt, G., 2004, Crustal deformation across the Sierra Nevada-northern Walker Lane, Basin and Range transition, western United States measured with GPS, 2000–2004: Eos, Transactions American Geophysical Union, v. 85, no. 47, G31D-07, Fall Meeting Supplement.
Kreemer, C., Blewitt, G., Hammond, W.C., Coolbaugh, M.F., 2004, A new strain rate model for the Great Basin and its implications to tectonic and geodynamic studies: Eos, Transactions American Geophysical Union, v. 85, no. 47, G31D-06, Fall Meeting Supplement.
Hammond, W.C., Constraints on Basin and Range lithospheric dynamics from the Global Positioning System, EarthScope Workshop: GreatBREAK, Tahoe City, CA, June 2004.
Hammond, W.C., Recognizing Postseismic relaxation at the Central Nevada Seismic Belt, Basin and Range Seismic Hazard Summit, II, Reno, NV, May 2004.
Thatcher, W., and W.C. Hammond, Present-day deformation of the Great Basin and its implications for seismic hazard assessment, Reno Basin and Range Seismic Hazards Summit II, Reno, NV, May 2004.
Hammond, W.C., How well can GPS data constrain variations in lithospheric rheology? A Basin and Range case study, to be presented at the UNAVCO Annual Meeting, Boulder CO, February 26-27, 2004.
Hammond, W.C., and W. Thatcher, Crustal Deformation of the Northern Basin and Range [Northern California, Oregon, Northern Nevada] from Measurement with the Global Positioning System Eos Trans. AGU, 84, Fall Meet. Suppl., 2003.
Poland, M., D. Dzurisin, W. C. Hammond, E. Endo, E. Iwatsubo, M. Lisowski, New results from a proposed PBO Cascade volcano cluster I: Deformation in the Medicine Lake region of northeast California from leveling, GPS, and INSAR, Geol. Soc. Am. Abstr. with Progr., vol 35, 2003.
Hammond, W.C., and W. Thatcher, Crustal deformation across the Basin and Range province [Nevada and Utah], western United States, measured with the Global Positioning System, 1992-2002, EGS-AGU-EUG Joint Assembly, Nice, France, Geophys. Res. Abs., vol. 5, 2003.
Hammond, W.C., and W. Thatcher, GPS Measurement of deformation of the Basin and Range province, western United States, Eos Trans. AGU, 83, Fall Meet Suppl., 2002.
M. Nyst and W.C. Hammond, Present-day kinematics of crustal deformation of the Walker Lane and central Nevada, derived from GPS data, Eos Trans. AGU, 83, Fall Meet Suppl., 2002.
Hammond, W.C. and W. Thatcher, Integrated kinematic analysis of GPS and fault slip data in the Eastern California Shear Zone, Walker Lane and Sierra Nevada., Eos Trans. AGU, 82, Fall Meet Suppl., 2001.
Hammond, W.C., and W. Thatcher, The dynamics of western United States tectonism, Earthscope Workshop, Making and Breaking a Continent, Snowbird, UT, October, 2001.
Barclay, A.H., D.R. Toomey, W.S.D. Wilcock, W.C. Hammond, Geodynamic and seismic modeling of the MELT region of the East Pacific Rise: An example of plate scale hotspot-ridge interaction, Eos Trans. AGU, 82, Fall Meet Suppl., 2001.
Toomey, D.R., W.S.D. Wilcock, J. Blundy, W.C. Hammond, Asymmetric mantle dynamics in the MELT region of the East Pacific Rise: A result of hot, asthenospheric return flow, Eos Trans. AGU, 80, 1999.
Hammond, W.C., and D.R. Toomey, Seismic anisotropy beneath the MELT region of the East Pacific Rise from tomography and shear wave splitting, Eos Trans. AGU, 80, 1999.
Hammond, W.C., and E.D. Humphreys, The effects of partial melt on frequency dependent upper mantle seismic velocities: finite element modeling and pressure equalization via fluid flow, presented at meeting of the Incorporated Research Institutions for Seismology (IRIS), Santa Cruz, CA, July, 1998.
Hammond, W.C., and D.R. Toomey, Seismic structure and anisotropy beneath the MELT region of the East Pacific Rise, presented at the Annual meeting of the Incorporated Research Institutions for Seismology (IRIS), Santa Cruz, CA, July, 1998.
Hammond, W.C., and E.D. Humphreys, Finite element modeling of the effect of partial melt on the velocity and attenuation of seismic waves and permeability in the upper mantle, presented at RIDGE meeting, Mantle Flow and Melt Generation Beneath Mid-Ocean Ridges: Constraints from MELT and Other Experiments, Providence, RI, October 5-7, 1997.
Toomey, D.R., A.H. Barclay, R.A. Dunn, W.C. Hammond, Tomographic imaging in anisotropic media: results from studies of mid-ocean ridges, Annales Geophysicae, 1997.
Hammond, W.C., and E.D. Humphreys, Finite element modeling of the effect of partial melt on the velocity and attenuation of seismic waves and permeability in the upper mantle, presented at meeting of the Incorporated Research Institutions for Seismology (IRIS), Breckenridge, CO, June 8-12, 1997.
Toomey, D.R., S.C. Solomon, W.S.D. Wilcock, D.K. Blackman, J.A. Orcutt, W.C. Hammond: Upper mantle structure beneath the MELT Region of the East Pacific Rise from initial observations of P and S delay times, Eos Trans. AGU, 77, 1996.
Hammond, W.C., and E.D. Humphreys, Gravity and bathymetry of the Hawaiian hotspot predicted from 3D finite element modeling with surface and sub-surface loading, Eos Trans. AGU, 77, 1996.
Hammond, W.C., and E.D. Humphreys, Finite element modeling of the effect of partial melt on the velocity and attenuation of seismic waves, Eos Trans. AGU, 76, 1995.