• Home
• About
• ScrippsNews
• Magazine
• Research
• Students
• Ships
• Support Scripps
• Jobs at Scripps
• SIO Only

HILDEBRAND, JOHN

Professor of Oceanography

Adjunct Professor Electrical and Computer Engineer

Degrees:

• B.S., University of California, San Diego
• Ph.D., Stanford University

Research Interests:

• Marine mammal population census using acoustics
• Impact of anthropogenic sound on marine mammals
• Field studies in: southern California, Gulf of California, Hawaii, offshore Washington, Bering Sea, Arctic, Southern Ocean, Pacific Islands, Gulf of Mexico

Courses Recently Taught:

• SIO 133: Marine Mammal Biology
• SIO222: Underwater Bioacoustics
• SIO87: Freshman Seminar

Mentoring:

• Baumann-Pickering, Simone (Graduate; 2006-2009)
• Henderson, Elizabeth (Graduate; 2005-2010)
• McKenna, Megan (Graduate; 2005-2011)
• Soldevilla, Melissa (Graduate; 2002-2008)
• Munger, Lisa (Graduate; 2001-2007)
• Sirovic, Ana (Graduate; 2000-2006)
• Oleson, Erin (Graduate; 1999-2005)
• , (Graduate; -)

Melcón, M. L., A. J. Cummins, S. M. Kerosky, L. K. Roche, S. Wiggins, and J. A. Hildebrand. Blue whales respond to anthropogenic noise. PLOS ONE 7(2): e32681. doi:10.1371/journal.pone.0032681 (2012).

Hildebrand, J. A., L. Armi, and P. C. Henkart. Seismic imaging of the water column deep layer associated with the Deepwater Horizon oil spill. Geophysics 77:(2) EN11–EN16, DOI: 10.1190/GEO2011-0347.1 (2012).

Wiggins, S. M., M. A. McDonald, and J. A. Hildebrand. Beaked whale and dolphin tracking using a multichannel autonomous acoustic recorder. J. Acoust. Soc. Am. 131(1), 156-163 (2012).

Roth, E. H., J. A. Hildebrand, S. M. Wiggins and D. Ross. Underwater ambient noise on the Chukchi Sea continental slope from 2006-2009 J. Acoust. Soc. Am. 131(1), 104-110 (2012).

McKenna, M. F., D. Ross, S. M. Wiggins, and J. A. Hildebrand, Underwater radiated noise from modern commercial ships. J. Acoust. Soc. Am 131(1), 92-103 (2012).

Henderson, E. E., J. A. Hildebrand, M. H. Smith and E. A. Falcone. The Behavioral Context of Common Dolphin (Delphinus sp.) Vocalizations. Marine Mammal Science. Published Online : 15 July 2011, DOI: 10.1111/j.1748-7692.2011.00498.x (2011).

Henderson, E. E., J. A. Hildebrand, and M. H. Smith. (2011) Classification of behavior using vocalizations of Pacific white-sided dolphins (Lagenorhynchus obliquidens). J. Acoust. Soc. Am. 130(1):557-567.

Munger, LM., SM Wiggins and JA Hildebrand (2011). Right whale ‘up-call’ source levels and propagation distance on the southeastern Bering Sea shelf. J. Acoust. Soc. Am. 129(6):4047-4054.

Sirovic, A, JA Hildebrand and SM Wiggins (2011) Using passive acoustics to model blue whale habitat off the Western Antarctic Peninsula. Deep Sea Research II. 58:1719-1728.

Marques, TA, L Thomas, L Munger, SM Wiggins, JA Hildebrand (2011). Estimating North Pacific right whale (Eubalaena japonica) density using passive acoustic cue counting. Endangered Species Research 13:163-172.

Soldevilla, MS, SM Wiggins, JA Hildebrand, EM Oleson, and MC Ferguson (2011). Risso’s and Pacific white-sided dolphin habitat modeling from passive acoustic monitoring Marine Ecology Progress Series 423: 247–260.

Roch, MA, H Klinck, S Baumann-Pickering, DK Mellinger, S Qui, MS Soldevilla, and JA Hildebrand (2011). Classification of echolocation clicks from odontocetes in the Southern California Bight. J. Acoust. Soc. Am. 129:467-475.

Baumann-Pickering, S, MA Roch, SM Wiggins, H-U Schnitzler, and JA Hildebrand (2010). Classification of echolocation signals of melon-headed whales (Peponocephal electra), bottlenose dolphins (Tursiops truncatus), and Gray’s spinner dolphins (Stenella longirostris longirostris) J. Acoust. Soc. Am. 128(4):2212-2224.

Baumann-Pickering, S, EH Roth, SM Wiggins, JA Hildebrand, and H-U Schnitzler (2010) Echolocation signals of a beaked whale at Palmyra Atoll. J. Acoust. Soc. Am. 127(6): 3790- 3799.

Soldevilla, MS, SM Wiggins, and JA Hildebrand. (2010) Spatio-temporal comparison of Pacific white-sided dolphin echolocation click types. Aquatic Biology 9:49-62.

Soldevilla, MS, SM Wiggins, and JA Hildebrand. (2010) Spatial and temporal patterns of Risso’s Dolphin echolocation in the southern California Bight. J. Acoust. Soc. Am., 127(1):124-132.

Hildebrand, JA (2009) Anthropogenic and Natural Sources of Ambient Noise in the Ocean. Marine Ecology Progress Series, 395:5-20.

McDonald, MA, JA Hildebrand, and SL Mesnick. (2009) Worldwide Decline in Tonal Frequencies of Blue Whale Songs. Endangered Species Research 9:13-21.

McDonald, MA, JA Hildebrand, SM Wiggins, DW Johnston, and JJ Polovina. (2009) An Acoustic Survey of Beaked Whales at Cross Seamount near Hawaii. J. Acoust. Soc. Am. 125(2): 624-627.

Sirovic, A, JA Hildebrand, SM Wiggins, and D Thiele. (2009) Blue and fin whale presence around Antarctica from acoustic data collected in 2003 and 2004. Marine Mammal Science 25(1): 125–136.

McDonald, MA, JA Hildebrand, SM Wiggins, and D Ross. (2008) A Fifty Year Comparison of Ambient Ocean Noise near San Clemente Island: a Bathymetrically Complex Coastal Region off Southern California. J. Acoust. Soc. Am. 124(4): 1985-1992.

Soldevilla MS, Henderson EE, Campbell GS, Wiggins SM, Hildebrand JA, Roch MA (2008) Classification of Risso's and Pacific white-sided dolphins using spectral properties of echolocation clicks. Journal of the Acoustical Society of America 124:609-24

Roch MA, Soldevilla MS, Burtenshaw JC, Henderson EE, Hildebrand JA (2008) Comparison of Machine Learning Techniques for the Classification of Echolocation Clicks from Three Species of Odontocetes. Canadian Acoustics 36:41-7

Phillips KA, Chadwell CD, Hildebrand JA (2008) Vertical deformation measurements on the submerged south flank of Kilauea volcano, Hawai'i reveal seafloor motion associated with volcanic collapse. Journal of Geophysical Research-Solid Earth 113, B05106:1-15

Krysl P, Cranford TW, Hildebrand JA (2008) Lagrangian finite element treatment of transient vibration/acoustics of biosolids immersed in fluids. International Journal for Numerical Methods in Engineering 74:754-75

Johnston DW, M. McDonald, Polovina J, Domokos R, Wiggins S, Hildebrand J (2008) Temporal patterns in the acoustic signals of beaked whales at Cross Seamount Biology Letters 4:208-11

Cranford TW, Mckenna MF, Soldevilla MS, Wiggins SM, Goldbogen JA, Shadwick RE, Krysl P, Leger JAS, Hildebrand JA (2008) Anatomic geometry of sound transmission and reception in Cuvier's beaked whale (Ziphius cavirostris). Anatomical Record-Advances in Integrative Anatomy and Evolutionary Biology 291:353-78

Cranford TW, Krysl P, Hildebrand JA (2008) Acoustic pathways revealed: Simulated sound transmission and reception in Cuvier's beaked whale (Ziphius cavirostris). Bioinspiration & Biomimetics 3, 016001:1-10

Sirovic A, Hildebrand JA, Wiggins SM (2007) Blue and fin whale call source levels and propagation range in the Southern Ocean. Journal of the Acoustical Society of America 122:1208-15

Roch MA, Soldevilla MS, Burtenshaw JC, Henderson EE, Hildebrand JA (2007) Gaussian mixture model classification of odontocetes in the Southern California Bight and the Gulf of California. Journal of the Acoustical Society of America 121:1737-48

Oleson EM, Wiggins SM, Hildebrand JA (2007) Temporal separation of blue whale call types on a southern California feeding ground. Animal Behaviour 74:881-94

Oleson EM, Calambokidis J, Burgess WC, McDonald MA, LeDuc CA, Hildebrand JA (2007) Behavioral context of call production by eastern North Pacific blue whales. Marine Ecology-Progress Series 330:269-84

Oleson EM, Calambokidis J, Barlow J, Hildebrand JA (2007) Blue whale visual and acoustic encounter rates in the southern California bight. Marine Mammal Science 23:574-97

Mckenna MF, Goldbogen JA, Leger JS, Hildebrand JA, Cranford TW (2007) Evaluation of postmortem changes in tissue structure in the bottlenose dolphin (Tursiops truncatus). Anatomical Record-Advances in Integrative Anatomy and Evolutionary Biology 290:1023-32

Hildebrand JA, Wiggins SM, Driver JL, Waters MR (2007) Rapid seismic reflection imaging at the Clovis period Gault site in central Texas. Archaeological Prospection 14:245-60

Sweeney AD, Chadwell CD, Hildebrand JA (2006) Calibration of a seawater sound velocimeter. IEEE Journal of Oceanic Engineering 31:454-61

Soldevilla MS, Wiggins SM, Calambokidis J, Douglas A, Oleson EM, Hildebrand JA (2006) Marine mammal monitoring and habitat investigations during CalCOFI surveys. California Cooperative Oceanic Fisheries Investigations Reports 47:79-91

Sirovic A, Hildebrand JA, D. Thiele (2006) Baleen whale Spatial Patterns in the Scotia Sea during January and February 2003. Journal of Cetacean Research and Management 8: 161-71

Moore SE, Stafford KM, Mellinger DK, Hildebrand JA (2006) Listening for large whales in the offshore waters of Alaska. Bioscience 56:49-55

McDonald MA, Mesnick SL, Hildebrand JA (2006) Biogeographic Characterization of Blue Whale Song Worldwide: Using Song to Identify Populations. Journal of Cetacean Research and Management 8 55-65

McDonald MA, Hildebrand JA, Wiggins SM (2006) Increases in deep ocean anibient noise in the northeast pacific west of San Nicolas Island, California. Journal of the Acoustical Society of America 120:711-8

Krysl P, Cranford TW, Wiggins SM, Hildebrand JA (2006) Simulating the effect of high-intensity sound on cetaceans: Modeling, approach and a case study for Cuvier's beaked whale (Ziphius cavirostris). Journal of the Acoustical Society of America 120:2328-39

Goldbogen JA, Calambokidis J, Shadwick RE, Oleson EM, McDonald MA, Hildebrand JA (2006) Kinematics of foraging dives and lunge-feeding in fin whales. Journal of Experimental Biology 209:1231-44

Wiggins SM, Oleson EM, McDonald MA, Hildebrand JA (2005) Blue Whale (Balaenoptera musculus) Diel Call Patterns offshore of Southern California. Aquatic Mammals 31:161-8

Sweeney AD, Chadwell CD, Hildebrand JA, Spiess FN (2005) Centimeter-level positioning of seafloor acoustic transponders from a deeply-towed interrogator. Marine Geodesy 28:39-70

Soldevilla MS, McKenna ME, Wiggins SM, Shadwick RE, Cranford TW, Hildebrand JA (2005) Cuvier's beaked whale (Ziphius cavirostris) head tissues: physical properties and CT imaging. Journal of Experimental Biology 208:2319-32

Munger LM, Mellinger DK, Wiggins SM, Moore SE, Hildebrand JA (2005) Performance of spectrogram cross-correlation in detecting right whale calls in long-term recordings from the Bering Sea. Canadian Acoustics 33:25-34

McDonald MA, Hildebrand JA, Wiggins SM, Thiele D, Glasgow D, Moore SE (2005) Sei whale sounds recorded in the Antarctic. Journal of the Acoustical Society of America 118:3941-5

Hildebrand JA (2005) Impacts of Anthropogenic Sound. In: Reynolds JE, Perrin WF, Reeves RR, Montgomery S, Ragen TJ (eds) Marine Mammal Research: Conservation beyond Crisis The Johns Hopkins University Press, Baltimore, Maryland, p 101-24

Wiggins SM, McDonald MA, Munger LM, Hildebrand JA, Moore SE (2004 ) Waveguide propagation allows range estimates for North Pacific right whales in the Bering Sea. Canadian Acoustics 32:146-54

Thiele D, Chester ET, Moore SE, Sirovic A, Hildebrand JA, Friedlaender AS (2004) Seasonal variability in whale encounters in the Western Antarctic Peninsula. Deep-Sea Research Part II-Topical Studies in Oceanography 51:2311-25

Sohn RA, Webb SC, Hildebrand JA (2004) Fine-scale seismic structure of the shallow volcanic crust on the East Pacific Rise at 9 degrees 50 ' N. Journal of Geophysical Research-Solid Earth 109

Sirovic A, Hildebrand JA, Wiggins SM, McDonald MA, Moore SE, Thiele D (2004) Seasonality of blue and fin whale calls and the influence of sea lee in the Western Antarctic Peninsula. Deep-Sea Research Part II-Topical Studies in Oceanography 51:2327-44

Burtenshaw JC, Oleson EM, Hildebrand JA, McDonald MA, Andrew RK, Howe BM, Mercer JA (2004) Acoustic and satellite remote sensing of blue whale seasonality and habitat in the Northeast Pacific. Deep-Sea Research Part II-Topical Studies in Oceanography 51:967-86

Swartz SL, Cole T, McDonald MA, Hildebrand JA, Oleson EM, Martinez A, Clapham PJ, Barlow J, Jones ML (2003) Acoustic and visual survey of humpback whale (Megaptera novaeangliae) distribution in the eastern and southeastern Caribbean Sea. Caribbean Journal of Science 39:195-208

Stephen RA, Spiess FN, Collins JA, Hildebrand JA, Orcutt JA, Peal KR, Vernon FL, Wooding FB (2003) Ocean Seismic Network Pilot Experiment. Geochemistry Geophysics Geosystems 4

Osada Y, Fujimoto H, Miura S, Sweeney A, Kanazawa T, Nakao S, Sakai SI, Hildebrand JA, Chadwell CD (2003) Estimation and correction for the effect of sound velocity variation on GPS/Acoustic seafloor positioning: An experiment off Hawaii Island. Earth Planets and Space 55:E17-E20

Oleson EM, Barlow J, Gordon J, Rankin S, Hildebrand JA (2003) Low frequency calls of Bryde's whales. Marine Mammal Science 19:407-19 Oleson E, Barlow J, Gordon J, Rankin S, Hildebrand JA (2003) Low Frequency Calls Of Bryde's Whales. Marine Mammal Science 19:407-19

Crawford WC, Hildebrand JA, Dorman LM, Webb SC, Wiens DA (2003) Tonga Ridge and Lau Basin crustal structure from seismic refraction data. Journal of Geophysical Research - Solid Earth 108:EPM 6-1 to 6-17

Wiggins SM, Hildebrand JA, Gieskes JM (2002) Geothermal state and fluid flow within ODP Hole 843B: results from wireline logging. Earth and Planetary Science Letters 195:239-48

Tiemann CO, Porter MB, Hildebrand JA (2002) A robust model-based algorithm for localizing marine mammal transients. In: SACLANT Conference on the Impact of Littoral Environmental Variability on Acoustic Predictions and Sonar Performance. Kluwer Academic, Lerici, Italy, p 523-30

Hildebrand JA, P.C. H, Wiggins SM, L.B. C (2002) Comparison of Seismic Reflection and Ground-Penetrating Radar Imaging at the Controlled Archaeological Test Site, Champaign Illinois. Archaeological Prospection 9:9-21

Tibi R, Wiens DA, Hildebrand JA (2001) Aftershock locations and rupture characteristics of the 1995 Mariana deep earthquake. GEOPHYSICAL RESEARCH LETTERS 28:4311-4

Sohn RA, Hildebrand JA (2001) Hydroacoustic earthquake detection in the Arctic Basin with the Spinnaker array. Bulletin of the Seismological Society of America 91:572-9

Smith GP, Wiens DA, Fischer KM, Dorman LM, Webb SC, Hildebrand JA (2001) A complex pattern of mantle flow in the Lau backarc. Science 292:713-6

McDonald MA, Calambokidis J, Teranishi AM, Hildebrand JA (2001) The acoustic calls of blue whales off California with gender data. Journal of the Acoustical Society of America 109:1728-35

Gilbert HJ, Sheehan AF, Wiens DA, Dueker KG, Dorman LM, Hildebrand JA, Webb SC (2001) Upper mantle discontinuity structure in the region of the Tonga Subduction Zone. Geophysical Research Letters 28:1855-8

Collins JA, Vernon FL, Orcutt JA, Stephen RA, Peal KR, Wooding FB, Spiess FN, Hildebrand JA (2001) Broadband seismology in the oceans: Lessons from the Ocean Seismic Network Pilot Experiment. Geophysical Research Letters 28:49-52

Bowers NE, Cande SC, Gee JS, Hildebrand JA, Parker RL (2001) Fluctuations of the paleomagnetic field during chron C5 as recorded in near-bottom marine magnetic anomaly data. Journal of Geophysical Research-Solid Earth 106:26379-96

Sohn RA, Vernon F, Hildebrand JA, Webb SC (2000) Field measurements of sonic boom penetration into the ocean. Journal of the Acoustical Society of America 107:3073-83

Gee JS, Cande SC, Hildebrand JA, Donnelly K, Parker RL (2000) Geomagnetic intensity variations over the past 780 kyr obtained from near-seafloor magnetic anomalies. Nature 408:827-32

Aroyan JL, McDonald MA, Webb SC, Hildebrand JA, Clark D, Laitman JT, Reidenberg JS (2000) Acoustic Models of Sound Production and Propagation. In: W. Au APaRF (ed) Hearing by Whales and Dolphins, Vol 12. Springer Handbook of Auditory Research, p 409-69

Sohn RA, Hildebrand JA, Webb SC (1999) A microearthquake survey of the high-temperature vent fields on the volcanically active East Pacific Rise (9 degrees 50'N). Journal of Geophysical Research-Solid Earth 104:25367-77

Crawford WC, Webb SC, Hildebrand JA (1999) Constraints on melt in the lower crust and Moho at the East Pacific Rise, 9 degrees 48 ' N, using seafloor compliance measurements. Journal of Geophysical Research-Solid Earth 104:2923-39

Chadwell CD, Hildebrand JA, Spiess FN, Morton JL, Normark WR, Reiss CA (1999) No spreading across the southern Juan de Fuca Ridge axial cleft during 1994-1996. GEOPHYSICAL RESEARCH LETTERS 26:2525-8

Ballu V, Hildebrand JA, Canuteson EL (1999) The density structure associated with oceanic crustal rifting at the Hess Deep: a seafloor and sea-surface gravity study. Earth and Planetary Science Letters 171:21-34

Spiess FN, Chadwell CD, Hildebrand JA, Young LE, Purcell GH, Dragert H (1998) Precise GPS/Acoustic positioning of seafloor reference points for tectonic studies. Physics of the Earth and Planetary Interiors 108:101-12

Sohn RA, Hildebrand JA, Webb SC (1998) Postrifting seismicity and a model for the 1993 diking event on the coaxial segment, Juan de Fuca ridge. Journal of Geophysical Research-Solid Earth 103:9867-77

Sohn RA, Fornari DJ, Von Damm KL, Hildebrand JA, Webb SC (1998) Seismic and hydrothermal evidence for a cracking event on the East Pacific Rise crest at 9 degrees 50 ' N. Nature 396:159-61

Koper KD, Wiens DA, Dorman LM, Hildebrand JA, Webb SC (1998) Modeling the Tonga slab: Can travel time data resolve a metastable olivine wedge? Journal of Geophysical Research-Solid Earth 103:30079-100

Crawford WC, Webb SC, Hildebrand JA (1998) Estimating shear velocities in the oceanic crust from compliance measurements by two-dimensional finite difference modeling. Journal of Geophysical Research-Solid Earth 103:9895-916

Ballu VS, Hildebrand JA, Webb SC (1998) Seafloor gravity evidence for hydrothermal alteration of the sediments in Middle Valley, Juan de Fuca Ridge. Marine Geology 150:99-111

Zumberge MA, Ridgway JR, Hildebrand JA (1997) A towed marine gravity meter for near-bottom surveys. Geophysics 62:1386-93

Zhao D, Xu Y, Wiens DA, Dorman L, Hildebrand J, S. Webb (1997) Depth extent of the Lau back-arc spreading center and its relationship to subduction processes. Science 278:254-7

Sohn RA, Webb SC, Hildebrand JA, Cornuelle BD (1997) Three-dimensional tomographic velocity structure of upper crust, CoAxial segment, Juan de Fuca ridge: Implications for on-axis evolution and hydrothermal circulation. Journal of Geophysical Research-Solid Earth 102:17679-95

Hildebrand JA, McDonald MA, Webb SC (1997) Microearthquakes at intermediate spreading-rate ridges: The cleft segment megaplume site on the Juan de Fuca ridge. Bulletin of the Seismological Society of America 87:684-91

Wiggins SM, Dorman LRM, Cornuelle BD, Hildebrand JA (1996) Hess Deep rift valley structure from seismic tomography. Journal of Geophysical Research-Solid Earth 101:22335-53

Stevenson JM, Hildebrand JA (1996) Gravity modeling of a volcanically active site on the East Pacific Rise axis. Tectonophysics 254:57-68

Sohn RA, Hildebrand JA, Webb SC, Fox CG (1995) Hydrothermal Microseismicity at the Megaplume Site on the Southern Juan-De-Fuca Ridge. Bulletin of the Seismological Society of America 85:775-86

Mcdonald MA, Hildebrand JA, Webb SC (1995) Blue and Fin Whales Observed on a Sea-Floor Array in the Northeast Pacific. Journal of the Acoustical Society of America 98:712-21

Worcester PF, Cornuelle BD, Hildebrand JA, Hodgkiss WS, Duda TF, Boyd J, Howe BM, Mercer JA, Spindel RC (1994) A Comparison of Measured and Predicted Broad-Band Acoustic Arrival Patterns in Travel Time-Depth Coordinates at 1000-Km Range. Journal of the Acoustical Society of America 95:3118-28

Stevenson JM, Hildebrand JA, Zumberge MA, Fox CG (1994) An Ocean-Bottom Gravity Study of the Southern Juan-De-Fuca Ridge. Journal of Geophysical Research-Solid Earth 99:4875-88

Mcdonald MA, Webb SC, Hildebrand JA, Cornuelle BD, Fox CG (1994) Seismic Structure and Anisotropy of the Juan-De-Fuca Ridge at 45-Degrees-N. Journal of Geophysical Research-Solid Earth 99:4857-73

Hammer PTC, Dorman LM, Hildebrand JA, Cornuelle BD (1994) Jasper Seamount Structure - Sea-Floor Seismic-Refraction Tomography. Journal of Geophysical Research-Solid Earth 99:6731-52

Dorman LM, Schreiner AE, Bibee LD, Hildebrand. JA (1993) Deep-water sea-floor array observations of seismo-acoustic noise in the eastern Pacific and comparisons with wind and swell. In: Kerman B (ed) Proceedings of Conference “Natural Physical Sources of Underwater Sound" Kluwer, Cambridge, p 165-74

Cornuelle BD, Worcester PF, Hildebrand JA, Hodgkiss WS, Duda TF, Boyd J, Howe BM, Mercer JA, Spindel RC (1993) Ocean Acoustic Tomography at 1000-Km Range Using Wave-Fronts Measured with a Large-Aperture Vertical Array. Journal of Geophysical Research-Oceans 98:16365-77

Cornuelle BD, Worcester PF, Hildebrand JA, Hodgkiss WS, Duda TF, Boyd J, Howe BM, Mercer J, Spindel. R (1993) Ocean acoustic tomography at 1000-km range using wavefronts measured with a large aperture vertical array. Journal of Geophysical Research 98:16,365-16,77

Duda TF, Flatte SM, Colosi JA, Cornuelle BD, Hildebrand JA, Hodgkiss WS, Worcester PF, Howe BM, Mercer JA, Spindel RC (1992) Measured Wave-Front Fluctuations in 1000-Km Pulse-Propagation in the Pacific-Ocean. Journal of the Acoustical Society of America 92:939-55

Zumberge MA, Hildebrand JA, Stevenson JM, Parker RL, Chave AD, Ander ME, Spiess FN (1991) Submarine Measurement of the Newtonian Gravitational Constant. Physical Review Letters 67:3051-4

Hammer PTC, Hildebrand JA, Parker RL (1991) Gravity Inversion Using Seminorm Minimization - Density Modeling of Jasper Seamount. Geophysics 56:68-79

Crawford WC, Webb SC, Hildebrand JA (1991) Sea-Floor Compliance Observed by Long-Period Pressure and Displacement Measurements. Journal of Geophysical Research-Solid Earth 96:16151-60

Sotirin BJ, Hildebrand JA (1990) Acoustic Navigation of a Large-Aperture Array. Journal of the Acoustical Society of America 87:154-67

Hildebrand JA, Stevenson JM, Hammer PTC, Zumberge MA, Parker RL, Fox CG, Meis PJ (1990) A Sea-Floor and Sea-Surface Gravity Survey of Axial Volcano. Journal of Geophysical Research-Solid Earth and Planets 95:12751-63

Hildebrand JA, Dorman LM, Hammer PTC, Schreiner AE, Cornuelle BD (1989) Seismic Tomography of Jasper Seamount. Geophysical Research Letters 16:1355-8

Hildebrand JA (1989) The Paleomagnetism of Eastern Nazca Plate Seamounts. Tectonophysics 170:279-87

Ander ME, Zumberge MA, Lautzenhiser T, Parker RL, Aiken CLV, Gorman MR, Nieto MM, Cooper APR, Ferguson JF, Fisher E, Mcmechan GA, Sasagawa G, Stevenson JM, Backus G, Chave AD, Greer J, Hammer P, Hansen BL, Hildebrand JA, Kelty JR, Sidles C, Wirtz J (1989) Test of Newtons Inverse-Square Law in the Greenland Ice Cap. Physical Review Letters 62:985-8

Sotirin BJ, Hildebrand JA (1988) Large Aperture Digital Acoustic Array. IEEE Journal of Oceanic Engineering 13:271-81

Gee J, Tauxe L, Hildebrand JA, Staudigel H, Lonsdale P (1988) Nonuniform Magnetization of Jasper Seamount. Journal of Geophysical Research-Solid Earth and Planets 93:12159-75

Parker RL, Shure L, Hildebrand JA (1987) The Application of Inverse-Theory to Seamount Magnetism. Reviews of Geophysics 25:17-40

Hildebrand JA, Parker RL (1987) Paleomagnetism of Cretaceous Pacific Seamounts Revisited. Journal of Geophysical Research-Solid Earth and Planets 92:12695-712

Chave AD, Zumberge MA, Ander ME, Hildebrand JA, Spiess FN (1987) Polar Ice Test of the Scale Dependence of G. Nature 326:250-1

Hildebrand JA, Staudigel H (1986) Seamount Magnetic Polarity and Cretaceous Volcanism of the Pacific Basin. Geology 14:456-8

Hildebrand JA (1986) Thermoacoustic Generation in Anisotropic Media. Journal of the Acoustical Society of America 79:1457-60

Hildebrand JA (1985) Observation of Cell-Substrate Attachment with the Acoustic Microscope. IEEE Transactions on Sonics and Ultrasonics 32:332-40

Hildebrand JA, Rugar D (1984) Measurement of Cellular Elastic Properties by Acoustic Microscopy. Journal of Microscopy 134:245-60

Hildebrand JA, Liang K, Bennett SD (1983) Fourier-Transform Approach to Materials Characterization with the Acoustic Microscope. Journal of Applied Physics 54:7016-9

Hildebrand JA, Lam LK (1983) Directional Acoustic Microscopy for Observation of Elastic-Anisotropy. Applied Physics Letters 42:413-5

Hildebrand JA, Rugar D, Johnston RN, Quate CF (1981) Acoustic Microscopy of Living Cells. Proceedings of the National Academy of Sciences of the United States of America-Biological Sciences 78:1656-60