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AGNEW, DUNCAN

Professor

Degrees:

• B.S., California Institute of Technology
• Ph.D., Scripps Institution of Oceanography, UCSD, San Diego

Research Interests:

• Crustal deformation measurement and interpretation
• Geophysical data analysis
• Geophysical instrumentation
• History of the Earth sciences

Courses Recently Taught:

• SIO 223B: Geophysical Data Analysis II
• SIO223A: Geophysical Data Analysis I
• SIO223B: Geophysical Data Analysis II
• SIO225: Physics of Earth Materials
• SIO233: Intro to Computing at SIO
• SIO239: Special Topics in Geophysics

Mentoring:

• Barbour, Andrew (Graduate; 2007-)

Tamura, Y., and D. C. Agnew (2008). Baytap08 Users Manual, SIO Technical Report: Link to publication Scripps Institution of Oceanography.

Agnew, D. C. (2008). Richter, Charles Francis, pp. 241-243 in Complete Dictionary of Scientific Biography, (Detroit: Charles Scribner's Sons)

Agnew, D. C. (2008). Menard, Henry William, pp. 96-97 in Complete Dictionary of Scientific Biography, (Detroit: Charles Scribner's Sons)

Agnew, D. C. (2008). Benioff, Victor Hugo, pp. 243-245 in Complete Dictionary of Scientific Biography, (Detroit: Charles Scribner's Sons)

Rolandone, F., R. Burgmann, D. C. Agnew, I. A. Johanson, D. C. Templeton, M. A. d'Alessio, S. J. Titus, C. DeMets, and B. Tikoff (2008). Aseismic slip and fault-normal strain along the central creeping section of the San Andreas fault, Geophys. Res. Lett., 35, L14305.10.1029/2008GL034437

Agnew, D. C., and K. M. Larson (2007). Finding the repeat times of the GPS constellation, GPS Solutions, 11, 71-76.

King, N. E., D. Argus, J. Langbein, D. C. Agnew, G. Bawden, R. S. Dollar, Z. Liu, D. Galloway, 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, B03409.10.1029/2006JB004448

Agnew, D. C., and K. M. Hodgkinson (2007). Designing compact causal digital filters for low-frequency strainmeter data, Bull. Seismol. Soc. Amer., 97, 91-99.

Agnew, D. C. (2007). Earth tides, pp. 163-195 in Treatise on Geophysics: Geodesy, (New York: Elsevier)

Agnew, D. C. (2007). Before PBO: an overview of continuous strain and tilt measurements in the United States, J. Geodetic Soc. Japan, 53, 157-182.

Agnew, D. C. (2006). Reports of the Great California Earthquake of 1857, SIO Technical Report: Link to publication Scripps Institution of Oceanography.

Meltzner, A. J., K. Sieh, M. Abrams, D. C. Agnew, K. W. Hudnut, J.-P. Avouac, and D. H. Natawidjaja (2006). Uplift and subsidence associated with the great Aceh-Andaman earthquake of 2004, J. Geophys. Res., 111, B02407.10.1029/2005JB003891

Elkhoury, J. E., E. E. Brodsky, and D. C. Agnew (2006). Seismic waves increase permeability, Nature, 441, 1135-1138.

Agnew, D. C. (2005). GHAM: a compact global geocode suitable For sorting, Comput. Geosci., 31, 1042-1047.

Wyatt, F. K., and D. C. Agnew (2004). The PIN1 and PIN2 GPS Sites at Pi\(~non Flat Observatory, SIO Technical Report: Link to publication Scripps Institution of Oceanography.

Agnew, D. C. (2004). Robert FitzRoy and the myth of the `Marsden square': Transatlantic rivalries in early marine meteorology, Notes Records Roy. Soc., 58, 21-46.

Agnew, D. C., and F. K. Wyatt (2003). Long-base laser strainmeters: a review, SIO Technical Report: Link to publication Scripps Institution of Oceanography.

Gonzalez-Garcia, 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, 1872.10.1029/2003GL017732

Anderson, G., D. C. Agnew, and H. O. Johnson (2003). Salton Trough regional deformation estimated from combined trilateration and survey-mode GPS data, Bull. Seismol. Soc. Amer., 93, 2402-2414.

Agnew, D. C., S. Owen, Z.-K. Shen, G. Anderson, J. Svarc, H. Johnson, K. E. Austin, and R. Reilinger (2002). Coseismic displacements from the Hector Mine, California, earthquake: results from survey-mode GPS measurements, Bull. Seismol. Soc. Amer., 92, 1355-1364.

Owen, S., G. Anderson, D. C. Agnew, H. Johnson, K. Hurst, R. Reilinger, Z.-K. Shen, J. Svarc, and T. Baker (2002). Early postseismic displacements from the M\d\s-2W\s0\u 7.1 Hector Mine earthquake as measured by survey-mode GPS, Bull. Seismol. Soc. Amer., 92, 1423-1432.

Fialko, Y., D. Sandwell, D. Agnew, M. Simons, P. Shearer, and B. Minster (2002). Deformation on nearby faults induced by the 1999 Hector Mine earthquake, Science, 297, 1858-1862.

Agnew, D. C. (2002). History of seismology, pp. 3-13 in IASPEI International Handbook of Earthquake and Engineering Seismology, (San Diego: Academic Press)

Agnew, D. C. (2001). Map projections to show the possible effects of surface loading, J. Geod. Soc. Japan, 47, 255-260.

Nikolaidis, R., Y. Bock, P. J. de Jonge, P. Shearer, D. C. Agnew, and M. Van\0Domselaar (2001). Seismic wave observations with the Global Positioning System, J. Geophys. Res., 106, 21897-21916.

Fialko, Y., M. Simons, and D. Agnew (2001). The complete (3-D) surface displacement field in the epicentral area of the 1999 M$""sub w$ 7.1 Hector Mine earthquake, California, from space geodetic observations, Geophys. Res. Lett., 28, 3063-3066.

Sandwell, D. T., L. Sichoix, D. Agnew, Y. Bock, and J.-B. Minster (2000). Near real-time radar interferometry of the $roman M sub roman W$ 7.1 Hector Mine earthquake, Geophys. Res. Lett., 27, 3101-3104.

Astiz, L., P. M. Shearer, and D. C. Agnew (2000). Precise relocations and stress change calculations for the Upland earthquake sequence in southern California, J. Geophys. Res., 105, 2937-2953.

Agnew, D. (1998). Instruments, Gravity, pp. 453-455 in Sciences of the Earth: An Encyclopedia of Places, People, and Phenomena, (New York: Garland Publishing)

Vidale, J. E., D. C. Agnew, M. J. S. Johnston, and D. H. Oppenheimer (1998). Absence of earthquake correlation with earth tides: an indication of high preseismic fault stress rate, J. Geophys. Res., 103, 24567-24572.

Agnew, D. (1998). Tides, Earth, pp. 810-812 in Sciences of the Earth: An Encyclopedia of Places, People, and Phenomena, (New York: Garland Publishing)

Agnew, D. (1998). Gravity since 1800, pp. 403-406 in Sciences of the Earth: An Encyclopedia of Places, People, and Phenomena, (New York: Garland Publishing)

Agnew, D. C. (1997). NLOADF: a program for computing ocean-tide loading, J. Geophys. Res., 102, 5109-5110.

Agnew, D. C. (1996). SPOTL: Some Programs for Ocean-Tide Loading, SIO Reference Series 96-8, Scripps Institution of Oceanography.

Gomberg, J., and D. C. Agnew (1996). The accuracy of seismic estimates of dynamic strains: an evaluation using strainmeter and seismometer data from Pi\(~non Flat Observatory, California, Bull. Seismol. Soc. Amer., 86, 212-220.

Hart, R. H. G., M. T. Gladwin, R. L. Gwyther, D. C. Agnew, and F. K. Wyatt (1996). Tidal calibration of borehole strainmeters: removing the effects of local inhomogeneity, J. Geophys. Res., 101, 25553-25571.

Agnew, D. C. (1995). Ocean-load tides at the South Pole: a validation of recent ocean-tide models, Geophys. Res. Lett., 22, 3063-3066.

Johnson, H. O., F. K. Wyatt, D. C. Agnew, and W. Zu\*:rn (1995). Tidal tilts at Pinyon Flat, California, measured at depths of 24 and 120 meters, pp. 129-136 in Proc. Twelfth Intl. Symposium on Earth Tides, (Beijing: Science Press)

Johnson, H., and D. Agnew (1995). Monument motion and measurements of crustal velocities, Geophys. Res. Lett., 22, 2905-2908.

Abercrombie, R. E., D. C. Agnew, and F. K. Wyatt (1995). Testing a model of earthquake nucleation, Bull. Seismol. Soc. Amer., 85, 1873-1878.

Wyatt, F. K., D. C. Agnew, and M. Gladwin (1994). Continuous measurements of crustal deformation for the 1992 Landers earthquake sequence, Bull. Seismol. Soc. Amer., 84, 768-779.

Johnston, M. J. S., A. T. Linde, and D. C. Agnew (1994). Continuous borehole strain in the San Andreas fault zone before during, and after the 28 June 1992, $M sub w$ 7.3 Landers, California earthquake, Bull. Seismol. Soc. Amer., 84, 799-805.

Johnson, H. O., D. C. Agnew, and K. Hudnut (1994). Extremal bounds on earthquake moment from geodetic data: application to the Landers earthquake, Bull. Seismol. Soc. Amer., 84, 660-667.

Bock, Y., S. Wdowinski, P. Fang, S. Williams, H. Johnson, J. Behr, J. Genrich, J. Dean, M. van\0Domeselaar, D. C. Agnew, F. Wyatt, K. Stark, B. Oral, K. Hudnut, R. King, T. Herring, W. Young, D. Jackson, and W. Gurtner (1997). Southern California Permanent GPS Geodetic Array: Continuous measurements of crustal deformation between the 1992 Landers and 1994 Northridge earthquakes, J. Geophys. Res., 102, 18013-18033.

Johnson, H., F. Wyatt, and D. C. Agnew (1994). Present-day crustal deformation in southern California, J. Geophys. Res., 99, 23951-23974.

Larsen, S., D. C. Agnew, and B. Hager (1993). Strain accumulation in the Santa Barbara Channel: 1970-1988, J. Geophys. Res., 98, 2119-2133.

Feigl, K. L., D. C. Agnew, Y. Bock, D. Dong, A. Donnellan, B. H. Hager, T. A. Herring, D. D. Jackson, T. H. Jordan, R. W. King, S. Larsen, K. M. Larson, M. H. Murray, Z. Shen, and F. H. Webb (1993). Space geodetic measurement of crustal deformation in central and southern California, 1984-1992, J. Geophys. Res., 98, 21677-21712.

Bock, Y., D. C. Agnew, P. Fang, J. F. Genrich, B. H. Hager, T. A. Herring, K. W. Hudnut, R. W. King, S. Larsen, J. B. Minster, K. Stark, S. Wdowinski, and F. K. Wyatt (1993). Detection of crustal deformation from the Landers earthquake sequence using continuous geodetic measurements, Nature, 361, 337-340.

Agnew, D. C. (1992). The time-domain behavior of power-law noises, Geophys. Res. Lett., 19, 333-336.

Larson, K. M., and D. C. Agnew (1991). Application of the Global Positioning System to crustal deformation measurement, 1. Precision and accuracy, J. Geophys. Res., 96, 16547-16565.

Larson, K. M., F. H. Webb, and D. C. Agnew (1991). Application of the Global Positioning System to crustal deformation measurement, 2. The influence of errors in orbit determination networks, J. Geophys. Res., 96, 16567-16584.

King, N. E., and D. C. Agnew (1991). How large is the retrograde annual wobble?, Geophys. Res. Lett., 18, 1735-1738.

Agnew, D. C., and W. Ellsworth (1991). Earthquake prediction and long-term hazard assessment, Rev. Geophys, 18, 877-889.

Agnew, D. C. (1991). How complete is the pre-instrumental record of earthquakes in Southern California?, pp. 75-88 in Environmental Perils, San Diego Region, P. L. Abbott and W. J. Elliott, eds. (San Diego: San Diego Assoc. of Geologists for the Geol. Soc. of America)

Dixon, T. H., G. Blewitt, K. Larson, D. C. Agnew, B. H. Hager, P. Kroger, L. Skrumeda, and W. E. Strange (1990). GPS measurements of regional deformation in southern California, EOS Trans. Amer. Geophys. Union, 71, 1051-1053.

Agnew, D. C. (1990). The use of time-of-day seismicity maps for earthquake/explosion discrimination by local networks, with an application to the seismicity of San Diego County, Bull. Seismol. Soc. Amer., 80, 747-750.

Agnew, D. C. (1989). Robust pilot spectrum estimation for the quality control of digital seismic data, Bull. Seismol. Soc. Amer., 79, 180-188.

Agnew, D. (1989). Seismic Instrumentation, pp. 1033-1037 in Encyclopedia of Solid Earth Geophysics, (New York: Van Nostrand Reinhold)

Rojstaczer, S., and D. C. Agnew (1989). The influence of formation material properties on the response of water levels in wells to earth tides and atmospheric loading, J. Geophys. Res., 94, 12403-12411.

Knopoff, L., P. A. Rydelek, W. Zu\*:rn, and D. C. Agnew (1989). Observations of load tides at the South Pole, Phys. Earth Planet. Inter., 54, 33-37.

Agnew, D. (1989). Seismology: History, pp. 1198-1202 in Encyclopedia of Solid Earth Geophysics, (New York: Van Nostrand Reinhold)

Anderson, J. G., T. K. Rockwell, and D. C. Agnew (1989). Past and possible future earthquakes of significance to the San Diego region, Earthq. Spectra, 5, 299-335.

Wyatt, F. K., S-T. Morrissey, and D. C. Agnew (1988). Shallow borehole tilt--A reprise, J. Geophys. Res., 93, 9197-9201.

King, N. E., D. C. Agnew, D. C., and F. Wyatt, (1988). Comparing strain events: a case study for the Homestead Valley earthquakes, Bull. Seismol. Soc. Amer., 78, 1693-1706.

Wang, L., Z. Zhao, Z. Wang, and D. C. Agnew (1987). Long period source parameters of the Wuqia, Xinjiang earthquake of August 23, 1985: Results from inversion of the records of the IDA network, Acta Seismol. Sinica, 2, 108-111.

Davis, P., P. Rydelek, D. C. Agnew, and A. Okamura (1987). Observation of tidal tilt on Kilauea Volcano, Hawaii, Geophys. J. R. Astron. Soc., 90, 233-244.

Agnew, D. C. (1986). Strainmeters and tiltmeters, Rev. Geophys., 24, 579-624.

Agnew, D. C. (1986). Detailed analysis of tide gauge data: A case history, Marine Geod., 10, 231-255.

Agnew, D. C., J. Berger, W. E. Farrell, J. F. Gilbert, G. Masters, and D. Miller (1986). Project IDA: A decade in review, EOS Trans. Amer. Geophys. Union, 67, 203-212.

Liu, H.-P., E. D. Sembera, R. E. Westerlund, J. B. Fletcher, P. Reasenberg, and D. C. Agnew (1985). Tidal variation of seismic travel times in a Massachusetts granite quarry, Geophys. Res. Lett., 12, 243-246.

Wyatt, F., R. Bilham, R. J. Beavan, A. G. Sylvester, T. Owen, A. Harvey, C. Macdonald, D. Jackson, and D. C. Agnew (1984). Comparing tiltmeters for use in crustal deformation measurements: a preliminary report, Geophys. Res. Lett., 11, 963-966.

Wyatt, F., D. C. Agnew, A. Linde, and I. S. Sacks (1983). Borehole strainmeter studies at Pi\(~non Flat Observatory, Year Book Carnegie Inst. Washington, 82, 533-538.

Agnew, D. C. (1983). Conservation of mass in tidal loading computations, Geophys. J. R. Astron. Soc., 72, 321-325.

Wyatt, F., G. Cabaniss, and D. C. Agnew (1982). A comparison of tiltmeters at tidal frequencies, Geophys. Res. Lett., 9, 743-746.

Linde, A., I. Sacks, M. Johnston, F. Wyatt, and D. C. Agnew (1982). The borehole strainmeter program in California--Installation and preliminary results, Carnegie Inst. Wash. Yearbook, 81, 517-520.

Agnew, D. C. (1981). Nonlinearity in rock: evidence from earth tides, J. Geophys. Res., 86, 3969-3978.

Riedesel, M., D. C. Agnew, J. Berger, and F. Gilbert (1980). Stacking for the frequencies and Q's of \d\s-20\s0\uS\d\s-20\s0\u and \d\s-01\uS\d\s-20\s0\u, Geophys. J. R. Astron. Soc., 62, 457-471.

Jones, G., T. Hilde, G. Sharman, and D. C. Agnew (1979). Fault patterns in outer trench walls and their tectonic significance, J. Phys. Earth, 26, S85-S101.

Berger, J., D. C. Agnew, R. Parker, and W. Farrell (1979). Seismic system calibration: 2. Cross-spectral calibration using random binary signals, Bull. Seismol. Soc. Amer., 69, 271-288.

Agnew, D. C. (1979). Tsunami history of San Diego, pp. 117-122 in Earthquakes and Other Perils, San Diego Region, P. L. Abbott and W. J. Elliott, eds. (San Diego: San Diego Assoc. of Geologists for the Geol. Soc. of America)

Agnew, D. C., M. Legg, and C. Strand (1979). Earthquake history of San Diego, pp. 123-138 in Earthquakes and Other Perils, San Diego Region, P. L. Abbott and W. J. Elliott, eds. (San Diego: San Diego Assoc. of Geologists for the Geol. Soc. of America)

Legg, M., and D. C. Agnew (1979). The 1862 earthquake in San Diego, pp. 139-141 in Earthquakes and Other Perils, San Diego Region, P. L. Abbott and W. J. Elliott, eds. (San Diego: San Diego Assoc. of Geologists for the Geol. Soc. of America)

Agnew, D. C. (1978). The 1852 Fort Yuma earthquake: two additional accounts, Bull. Seismol. Soc. Amer., 68, 1761-1762.

Agnew, D. C., and K. Sieh (1978). A documentary study of the felt effects of the great California earthquake of 1857, Bull. Seismol. Soc. Amer., 68, 1717-1729.

Agnew, D. C., and W. Farrell (1978). Self-consistent equilibrium ocean tides, Geophys. J. R. Astron. Soc., 55, 171-181.

Agnew, D. C., and J. Berger (1978). Vertical seismic noise at very low frequencies, J. Geophys. Res., 83, 5420-5424.

Agnew, D. C., J. Berger, R. Buland, W. Farrell, and F. Gilbert (1976). International Deployment of Accelerometers: a network for very long period seismology, EOS Trans. Amer. Geophys. Union, 57, 180-188.

Agnew, D. C., and H. Arp (1973). A list of quasi-stellar radio source candidates from the 3C and 4C catalogs between declination -7 and +40, Public. Astron. Soc. Pacific, 85, 162-173.