Yehuda Bock

Researcher

Room: Revelle Lab 4208

Institute of Geophysics and Planetary Physics,
Scripps Institution of Oceanography,
University of California San Diego,
La Jolla, CA 92093-0225, USA.

Telephone: (858) 534-5292

Email: ybock@ucsd.edu

Website: http://www-mpl.ucsd.edu/cg/people/ybock.html

Research Summary for 2006: Download PDF (218.297KB)

Research Interests:

• Development of space geodetic methods-GPS and interferometric SAR
• Crustal deformation, tectonics, and earthquake studies using space geodesy
• Precise GIS and GPS, geophysical data archiving
• Meteorological and climatological applications of GPS

Courses Taught:

• ERTH110 (Intro GIS Erth & Envir Science)
• SIO110 (Intro GIS & GPS for Scientists)
• SIO239 (Special Topics in Geophysics)
• SIO299 (Research)

Recent publications: ^†

• Williams, S. D. P., Y. Bock, P. Fang, P. Jamason, R. M. Nikolaidis, L. Prawirodirdjo, M. Miller, and D. J. Johnson (2004), Error Analysis of Continuous GPS Position Time Series, J. Geophys. Res., 109, B03412, doi: 10.1029/2003JB0022741.
• Wdowinski, S., Y. Sudman, and Y. Bock (2001), Geodetic detection of active faults in S. California, Geophys. Res. Lett., 28, 2321-2324.
• Wdowinski, S., Y. Bock, Y. Forrai, Y. Melzer, and G. Baer (2001), The GIL network of continuous GPS monitoring in Israel for geodetic and geophysical applications, Israel Journal of Earth Sciences, 50, 39-47.
• Wdowinski, S., Y. Bock, G. Baer, L. Prawirodirdjo, N. Bechor, S. Naaman, R. Knafo, Y. Forrai, and Y. Melzer (2004), GPS measurements of current crustal movements along the Dead Sea Fault, J. Geophys. Res., 109, B05403, doi:10.1029/2003JB002640.
• Wdowinski, S., B. Smith, Y. Bock, D. Sandwell (2007), Diffuse interseismic deformation across the Pacific–North America plate boundary, Geology, 35(4), doi:10.1130/G22938A.1, 311-314.
• Watson, K. M., Y. Bock, and D. T. Sandwell (2002), Satellite interferometric observations of displacements associated with seasonal ground water in the Los Angeles basin, J. Geophys. Res., 107(B4), 10.1029/2001JB000470.
• Vigny, C., H. Perfettini, A. Walpersdorf, A. Lemoine, W. Simons, D. van Loon, B. Ambrosius, C. Stevens, R. McCaffrey, P. Morgan, Y. Bock, C. Subarya, P. Manurung, J. Kahar, H. Z. Abidin, and S. H. Abu (2002), Migration of seismicity and earthquake interactions monitored by GPS in S.E. Asia triple junction: Sulawesi, Indonesia, J. Geophys. Res., 107(B10), 2231, doi: 10.1029/2001JB000377.
• Subarya, C., M. Chlieh, L. Prawirodirdjo, J.-P. Avouac, Y. Bock, K. Sieh, A. J. Meltzner, D. H. Natawidjaja, and R. McCaffrey (2006), Plate boundary deformation associated with the great Sumatra-Andaman earthquake, Nature, 440, doi:10.1038/nature04522, 46-51.
• Stevens, C. W., R. McCaffrey, Y. Bock, J. F. Genrich, M. Pubellier and C. Subarya (2002), Evidence for block rotations and basal shear in the world's fastest slipping continental shear zone in NW New Guinea, In Geodynamics Series, Volume 30, Plate Boundary Zones, Edited by S. Stein and J. T. Freymueller, American Geophysical Union, 87-99.
• Scharber, M., Y. Bock, and Brent Gilmore (2003), Software tools for accessing the GPS Seamless Archive, GPS Solutions, doi: 10.1007/s10291-003-0072-4, 271-276.
• Sandwell, D. T., L. Sichoix, D. Agnew, Y. Bock, and J.-B. Minster (2000), Near real-time radar interferometry of the Mw 7.1 Hector Mine Earthquake, Geophys. Res. Lett., 27, 3101-3104.
• Prawirodirdjo, L., Y. Ben-Zion, and Y. Bock (2006), Observation and modeling of thermoelastic strain in Southern California Integrated GPS Network daily position time series, J. Geophys. Res., 111, B02408, doi:10.1029/2005JB003716.
• Prawirodirdjo, L., Y, Bock, J. F. Genrich, S. S. O. Puntodewo, J. Rais, C. Subarya, and S. Sutisna (2000), One century of tectonic deformation along the Sumatran fault from triangulation and Global Positioning System surveys, J. Geophys. Res., 105, 28,343-28,361.
• Prawirodirdjo, L. and Y. Bock (2004), Instantaneous Global Plate Motion Model from 12 Years of Continuous GPS Observations, J. Geophys. Res., 109, doi: 10.1029/2003JB002944.
• Pe'eri, S., S. Wdowinski, A. Shtibelman, N. Bechor, Y. Bock, R. Nikolaidis and M. van Domselaar (2002), Current plate motion across the Dead Sea Fault from three years of continuous GPS monitoring, Geophys. Res. Lett., 29(14), doi: 10.1029/2001GL013879.
• Noll, C., Y. Bock, H. Habrich, and A. Moore (2009), Development of data infrastructure to support scientific analysis for the International GNSS Service, J. Geod., 83, 309–325, doi:10.1007/s00190-008-0245-6.
• Nikolaidis, R., Y. Bock, P. J. de Jonge, P. Shearer, D. C. Agnew, and M. Van Domselaar (2001), Seismic wave observations with the Global Positioning System, J. Geophys. Res., 106, 21,897-21,916.
• McCaffrey, R., P. Zwick, Y. Bock, L. Prawirodirdjo, J. Genrich, C. W. Stevens, S. S. O. Puntodewo, and C. Subarya (2000), Strain partitioning during oblique plate convergence in northern Sumatra: Geodetic and seismologic constraints and numerical modeling, J. Geophys. Res., 105, 28,363-28,376.
• Mattia, M., M. Rossi, F. Guglielmino, M. Aloisi, and Y. Bock (2004), The shallow plumbing system of Stromboli Island as imaged from 1 Hz instantaneous GPS positions, Geophys. Res. Lett., 31, L24610, doi:10.1029/2004GL021281.
• Mattia, M., M. Palano, M. Aloisi, V. Bruno, and Y. Bock (2008), High rate GPS data on active volcanoes: An application to the 2005-2006 Mt. Augustine (Alaska, USA) eruption, Terra Nova, 20, 134–140, doi: 10.1111/j.1365-3121.2008.00798.x.
• Lyons, S., Y. Bock, and D. T. Sandwell (2002), Creep along the Imperial Fault, southern California, from GPS measurements, J. Geophys. Res., 107(B10), 2249, doi: 10.1029/2001JB000763.
• Luttrell, K., D. Sandwell, B. Smith-Konter, B. Bills, and Y. Bock (2007), Modulation of the earthquake cycle at the southern San Andreas fault by lake loading, J. Geophys. Res., 112, B08411, doi:10.1029/2006JB004752.
• Langbein, J. and Y. Bock (2004), High-Rate Real-Time GPS Network at Parkfield; Utility for Detecting Fault Slip and Seismic Displacements, Geophys. Res. Lett., 31, doi:10.1029/2003GL019804.
• Konca, A. O., J.-P. Avouac, A. Sladen, A. J. Meltzner, K. Sieh, P. Fang, Z. Li, J. Galetzka, J. Genrich, M. Chlieh, D. H. Natawidjaja, Y. Bock, E. J. Fielding, C. Ji & D. V. Helmberger, (2008), Partial rupture of a locked patch of the Sumatra megathrust during the 2007 earthquake sequence, Nature 456, 631-635 (4 December 2008), doi:10.1038/nature07572.
• Kogan, M. G., W-Y. Kim, Y. Bock, and A. W. Smyth (2008), Load response on the Verrazano Narrows Bridge during the NYC Marathon revealed by GPS and accelerometers, Seismo. Res. Lett., 79(1), 12-19.
• King, N. E., D. Argus, J. Langbein, D. C. Agnew, R. S. Dollar, G. Bawden, Z. Liu, E. Reichard, A. Yong, F. H. Webb, Y. Bock, K. Stark, and D. Barseghian (2007), Space geodetic observation of expansion of the San Gabriel Valley, California, aquifer system, during heavy rainfall in winter 2004–2005, J. Geophys. Res., 112, B03409, doi:10.1029/2006JB004448.
• Jamason, P., Y. Bock, P. Fang, B. Gilmore, D. Malveaux, L. Prawirodirdjo, and M. Scharber (2004), GPS on the Web: SOPAC Website (http://sopac.ucsd.edu), GPS Solutions, 8(4), 272-277.
• Hsu, Y.-J., M. Simons, J.-P. Avouac, J. Galetzka, K. Sieh, M. Chlieh, D. Natawidjaja, L. Prawirodirdjo, and Y. Bock (2006), Frictional Afterslip Following the 2005 Nias-Simeulue Earthquake, Sumatra, Science, 30, June 2006 312: 1921-1926, DOI: 10.1126/science.1126960.
• González-García, J. J., L. Prawirodirdjo, Y. Bock, and D. Agnew (2003), Guadalupe Island, Mexico as a new constraint for Pacific plate motion, Geophys. Res. Lett,. 30(16), 1872, doi:10.1029/2003GL017732.
• Genrich, J.F., Y. Bock, R. McCaffrey, L. Prawirodirdjo, C. W. Stevens, S. S. O. Puntodewo, and C. Subarya (2000), Distribution of slip at the northern Sumatran fault system, J. Geophys. Res., 105, 28,327-28,341.
• Genrich, J. F. and Y. Bock (2006), Instantaneous geodetic positioning with 10-50 Hz GPS Measurements: Noise characteristics and implications for monitoring networks, J. Geophys. Res., 111, B03403, doi:10.1029/2005JB003617.
• Dong, D., P. Fang, Y. Bock, M. K. Cheng, and S. Miyazaki (2002), Anatomy of apparent seasonal variations from GPS-derived site position time series, J. Geophys. Res., 107(B4), doi: 10.1029/JB2001JB000573.
• Dong, D., P. Fang, Y. Bock, F. Webb, L. Prawirodirdjo, S. Kedar, and P. Jamason (2006), Spatiotemporal filtering using principal component analysis and Karhunen-Loeve expansion approaches for regional GPS network analysis, J. Geophys. Res., 111, B03405, doi:10.1029/2005JB003806.
• Chlieh, M., J.-P. Avouac, V. Hjorleifsdottir, T.-R. A. Song, C. Ji, K. Sieh, A. Sladen, H. Hebert, L. Prawirodirdjo, Y. Bock and J. Galetzka (2007), Coseismic slip and afterslip of the Great Mw 9.15 Sumatra-Andaman earthquake of 2004, Bull. Seismol. Soc. Amer., Jan 2007; 97: S152 - S173.
• Chadwell, C. D. and Y. Bock (2001), Direct estimation of absolute precipitable water in oceanic regions by GPS tracking of a coastal buoy, Geophys. Res. Lett., 28, 3701-3704.
• Briggs, R. W., K. Sieh, A. J. Meltzner, D. Natawidjaja, J. Galetzka, B. Suwargadi, Y.-J. Hsu, M. Simons, N. Hananto, I. Suprihanto, D. Prayudi, J.-P. Avouac, L. Prawirodirdjo and Y. Bock (2006), Deformation and Slip Along the Sunda Megathrust in the Great 2005 Nias-Simeulue Earthquake, Science, 31, March 2006 311: 1897-1901 [DOI: 10.1126/science.1122602].
• Bock, Y., R. Nikolaidis, P. J. de Jonge, and M. Bevis (2000), Instantaneous geodetic positioning at medium distances with the Global Positioning System, J. Geophys. Res., 105, 28,223-28,254.
• Bock, Y., L. Prawirodirdjo, J. F. Genrich, C. W. Stevens, R. McCaffrey, C. Subarya, S. S. O. Puntodewo, and E. Calais (2003), Crustal Motion in Indonesia from Global Positioning System Measurements, J. Geophys. Res., 108(B8), 2367, doi:10.129/2001JB000324.
• Bock, Y., L. Prawirodirdjo, and T. I. Melbourne (2004), Detection of arbitrarily large dynamic ground motions with a dense high-rate GPS network, Geophys. Res. Lett., 31, L06604, doi:10.1029/2003GL019150.
• Bassis, J. N., H. A. Fricker, H. A., R. Coleman, Y. Bock, J. Behrens, D. Darnell, M. Okal, and J.-B. Minster (2007), Rift propagation, seismicity and deformation associated with ice shelf rift propagation, J. Glaciology, 53(7), 523–536.
• Barbot, S., Y. Fialko, and Y. Bock (2008), Postseismic Deformation due to the Mw6.0 2004 Parkfield Earthquake: Stress-Driven Creep on a Fault with Spatially Variable Rate-and-State Friction Parameters, J. Geophys. Res., in press.
• Baer, G., G. Shamir, D. Sandwell, and Y. Bock (2001), Crustal Deformation During 6 Years Spanning the Mw=7.2 1995 Nuweiba Earthquake, analyzed by Interferometric Synthetic Aperture Radar, Israel Journal of Earth Sciences, 50, 9-22.
• Aydin, G., Z. Qi, M. E. Pierce, G. C. Fox, and Y. Bock (2007), Architecture, performance, and scalability of a real-time global positioning system data grid, Phys. Earth and Planet. Interiors, 163, 347-359, doi:10.1016/j.pepi.2007.04.012.