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Chu, Risheng and Helmberger, Don (2014) Lithospheric waveguide beneath the Midwestern United States; massive low-velocity zone in the lower crust ; Geochemistry, Geophysics, Geosystems; Vol. 15; No. 4; 1348-1362; 10.1002/2013GC004914
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Tan, Ying and Helmberger, Don (2010) Rupture Directivity Characteristics of the 2003 Big Bear Sequence ; Bulletin of the Seismological Society of America; Vol. 100; No. 3; 1089-1106; 10.1785/0120090074
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Chu, Risheng and Helmberger, Don V., et el. (2010) Mushy magma beneath Yellowstone ; Geophysical Research Letters; Vol. 37; Art. No. L01306; 10.1029/2009GL041656
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Tan, Ying and Helmberger, Don (2007) A new method for determining small earthquake source parameters using short-period P waves ; Bulletin of the Seismological Society of America; Vol. 97; No. 4; 1176-1195; 10.1785/0120060251
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Ni, Sidao and Helmberger, Don V. (2003) Further constraints on the African superplume structure ; Physics of the Earth and Planetary Interiors; Vol. 140; No. 1-3; 243-251; 10.1016/j.pepi.2003.07.011
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Melbourne, Tim and Helmberger, Don (2001) Mantle control of plate boundary deformation ; Geophysical Research Letters; Vol. 28; No. 20; 4003-4006; 10.1029/2001GL013167
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Savage, Brian and Helmberger, Don V. (2001) Kursk Explosion ; Bulletin of the Seismological Society of America; Vol. 91; No. 4; 753-759; 10.1785/0120000295
Luo, Sheng-Nian and Ni, Sidao, et el. (2001) Evidence for a sharp lateral variation of velocity at the
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Ni, Sidao and Helmberger, Don V. (2001) Probing an ultra-low velocity zone at the core mantle boundary with P and S waves ; Geophysical Research Letters; Vol. 28; No. 12; 2345-2348; 10.1029/2000GL012766
Ni, Sidao and Helmberger, Don V. (2001) Horizontal transition from fast to slow structures at the
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Helmberger, D. V. and Song, X. J., et el. (2001) Crustal complexity from regional waveform tomography: Aftershocks of the 1992 Landers earthquake, California ; Journal of Geophysical Research B; Vol. 106; No. B1; 609-620; 10.1029/2000JB900231
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Ji, Chen and Helmberger, Don V., et el. (2000) Basin Structure Estimation by Waveform Modeling: Forward and Inverse Methods ; Bulletin of the Seismological Society of America; Vol. 90; No. 4; 964-976; 10.1785/0119990080
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Scrivner, Craig W. and Helmberger, Donald V. (1999) Finite-difference modeling of two aftershocks of the 1994 Northridge, California, earthquake ; Bulletin of the Seismological Society of America; Vol. 89; No. 6; 1505-1518
Sidorin, Igor and Gurnis, Michael, et el. (1999) Evidence for a Ubiquitous Seismic Discontinuity at the Base of the Mantle ; Science; Vol. 286; No. 5443; 1326-1331; 10.1126/science.286.5443.1326
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Zhu, Lupei and Helmberger, Donald V., et el. (1997) Regional waveform calibration in the Pamir-Hindu Kush region ; Journal of Geophysical Research B; Vol. 102; No. B10; 22,799-22,813; 10.1029/97JB01855
Song, Xiaodong and Helmberger, Don V. (1997) PKP differential travel times: Implications for 3-D lower mantle structure ; Geophysical Research Letters; Vol. 24; No. 15; 1863-1866; 10.1029/97GL01761
Song, Xi J. and Helmberger, Donald V. (1997) Northridge aftershocks, a source study with TERRAscope data ; Bulletin of the Seismological Society of America; Vol. 87; No. 4; 1024-1034
Saikia, Chandan K. and Helmberger, D. V. (1997) Approximation of Rupture Directivity in Regional Phases Using Upgoing and Downgoing Wave Fields ; Bulletin of the Seismological Society of America; Vol. 87; No. 4; 987-998
Woods, Bradley B. and Helmberger, Donald V. (1997) Regional Seismic Discriminants Using Wave-Train Energy Ratios ; Bulletin of the Seismological Society of America; Vol. 87; No. 3; 589-605
Wen, Lianxing and Helmberger, Donald V. (1997) Propagational Corrections for Basin Structure: Landers Earthquake ; Bulletin of the Seismological Society of America; Vol. 87; No. 3; 782-787
Ding, Xiaoming and Helmberger, Donald V. (1997) Modelling D″ structure beneath Central America with broadband seismic data ; Physics of the Earth and Planetary Interiors; Vol. 101; No. 3-4; 245-270; 10.1016/S0031-9201(97)00001-0
Pino, N. Alessandro and Helmberger, Donald V. (1997) Upper mantle compressional velocity structure beneath the West Mediterranean Basin ; Journal of Geophysical Research B; Vol. 102; No. B2; 2953-2967; 10.1029/96JB03461
Mori, Jim and Helmberger, Donald (1996) Large-amplitude Moho reflections (SmS) from Landers aftershocks, southern California ; Bulletin of the Seismological Society of America; Vol. 86; No. 6; 1845-1852
Zhu, Lupei and Helmberger, Donald V. (1996) Advancement in Source Estimation Techniques Using Broadband Regional Seismograms ; Bulletin of the Seismological Society of America; Vol. 86; No. 5; 1634-1641
Helmberger, D. V. and Garnero, E. J., et el. (1996) Modeling two-dimensional structure at the core-mantle
boundary ; Journal of Geophysical Research B; Vol. 101; No. B6; 13,963-13,972; 10.1029/96JB00534
Song, Xi J. and Helmberger, Donald V. (1996) Source Estimation of Finite Faults from Broadband Regional Networks ; Bulletin of the Seismological Society of America; Vol. 86; No. 3; 797-804
Garnero, Edward J. and Helmberger, Donald V. (1996) Seismic detection of a thin laterally varying boundary layer
at the base of the mantle beneath the central-Pacific ; Geophysical Research Letters; Vol. 23; No. 9; 977-980; 10.1029/95GL03603
Song, Xi J. and Helmberger, Donald V., et el. (1996) Broad-Band Modelling of Regional Seismograms: the Basin and Range Crustal Structure ; Geophysical Journal International; Vol. 125; No. 1; 15-29; 10.1111/j.1365-246X.1996.tb06531.x
Zhu, Lupei and Helmberger, Donald V. (1996) Intermediate depth earthquakes beneath the India-Tibet
collision zone ; Geophysical Research Letters; Vol. 23; No. 5; 435-438; 10.1029/96GL00385
Zhao, Lian-She and Helmberger, Donald V. (1996) Regional moments, energy levels, and a new discriminant ; Pure and Applied Geophysics; Vol. 146; No. 2; 281-304; 10.1007/BF00876494
Jones, Laura E. and Helmberger, Donald V. (1996) Seismicity and stress-drop in the eastern Transverse ranges,
Southern California ; Geophysical Research Letters; Vol. 23; No. 3; 233-236; 10.1029/96GL00012
Song, Xi J. and Jones, Laura E., et el. (1995) Source characteristics of the 17 January 1994 Northridge, California, earthquake from regional broadband modeling ; Bulletin of the Seismological Society of America; Vol. 85; No. 6; 1591-1603
Mori, Jim and Helmberger, Donald V. (1995) Localized boundary layer below the mid-Pacific velocity anomaly identified from a PeP precursor ; Journal of Geophysical Research B; Vol. 100; No. B10; 20,359-20,365; 10.1029/95JB02243
Garnero, Edward J. and Helmberger, Donald V. (1995) A very slow basal layer underlying large-scale low-velocity
anomalies in the lower mantle beneath the Pacific:
evidence from core phases ; Physics of the Earth and Planetary Interiors; Vol. 91; No. 1-3; 161-176; 10.1016/0031-9201(95)03039-Y
Scrivner, Craig W. and Helmberger, Donald V. (1995) Preliminary work on an early warning and rapid response program for moderate earthquakes ; Bulletin of the Seismological Society of America; Vol. 85; No. 4; 1257-1265
Song, Xiaodong and Helmberger, Don V. (1995) A P wave velocity model of Earth's core ; Journal of Geophysical Research B; Vol. 100; No. B7; 9817-9830; 10.1029/94JB03135
Song, Xiaodong and Helmberger, Don V. (1995) Depth dependence of anisotropy of Earth's inner core ; Journal of Geophysical Research B; Vol. 100; No. B6; 9805-9816; 10.1029/95JB00244
Garnero, Edward J. and Helmberger, Donald V. (1995) On seismic resolution of lateral heterogeneity in the Earth's outermost core ; Physics of the Earth and Planetary Interiors; Vol. 88; No. 2; 117-130; 10.1016/0031-9201(94)02976-I
Scrivner, Craig W. and Helmberger, Donald V. (1994) Seismic Waveform Modeling in the Los Angeles Basin ; Bulletin of the Seismological Society of America; Vol. 84; No. 5; 1310-1326
Saikia, Chandan K. and Dreger, Douglas S., et el. (1994) Modeling of Energy Amplification Recorded within Greater Los Angeles Using Irregular Structure ; Bulletin of the Seismological Society of America; Vol. 84; No. 1; 47-61
Zhao, Lian-She and Helmberger, Donald V. (1994) Source Estimation from Broadband Regional Seismograms ; Bulletin of the Seismological Society of America; Vol. 84; No. 1; 91-104
Jones, L. E. and Hough, S. E., et el. (1993) Rupture process of the June 28, 1992 Big Bear Earthquake ; Geophysical Research Letters; Vol. 20; No. 18; 1907-1910; 10.1029/93GL02046
Woods, Bradley B. and Kedar, Sharon, et el. (1993) M_L:M_0 as a regional seismic discriminant ; Bulletin of the Seismological Society of America; Vol. 83; No. 4; 1167-1183
Wald, David J. and Kanamori, Hiroo, et el. (1993) Source study of the 1906 San Francisco earthquake ; Bulletin of the Seismological Society of America; Vol. 83; No. 4; 981-1019
Helmberger, Donald V. and Dreger, Douglas S., et el. (1993) Impact of Broadband Seismology on the Understanding of Strong Motions ; Bulletin of the Seismological Society of America; Vol. 83; No. 3; 830-850
Garnero, E. J. and Helmberger, D. V., et el. (1993) Preliminary observations from the use of US-Soviet Joint Seismic Program data to model upper mantle triplications beneath Asia ; Geophysical Journal International; Vol. 113; No. 1; 252-259; 10.1111/j.1365-246X.1993.tb02544.x
Helmberger, D. V. and Somerville, P. G., et el. (1992) The Location and Source Parameters of the Lompoc, California, Earthquake of 4 November 1927 ; Bulletin of the Seismological Society of America; Vol. 82; No. 4; 1678-1709
Wald, David J. and Hartzell, Stephen H., et el. (1992) Reply to Arthur Frankel's "Comment on 'Rupture process of the 1987 Superstition Hills earthquake from the inversion of strong-motion data'" ; Bulletin of the Seismological Society of America; Vol. 82; No. 3; 1519-1533
Bent, Allison L. and Helmberger, Donald V. (1991) A re-examination of historic earthquakes in the San Jacinto fault zone, California ; Bulletin of the Seismological Society of America; Vol. 81; No. 6; 2289-2309
Wald, David J. and Helmberger, Donald V., et el. (1991) Rupture model of the 1989 Loma Prieta earthquake from the inversion of strong-motion and broadband teleseismic data ; Bulletin of the Seismological Society of America; Vol. 81; No. 5; 1540-1572
Dreger, Douglas S. and Helmberger, Donald V. (1991) Complex faulting deduced from broadband modeling of the 28 February 1990 Upland earthquake (M_L = 5.2) ; Bulletin of the Seismological Society of America; Vol. 81; No. 4; 1129-1144
Zhao, Lian-She and Helmberger, Donald V., et el. (1991) Shear-velocity structure of the crust and upper mantle beneath the Tibetan Plateau and southeastern China ; Geophysical Journal International; Vol. 105; No. 3; 713-730; 10.1111/j.1365-246X.1991.tb00807.x
Bent, Allison L. and Helmberger, Donald V. (1991) Seismic characteristics of earthquakes along the offshore extension of the western transverse ranges, California ; Bulletin of the Seismological Society of America; Vol. 81; No. 2; 399-422
Dreger, Douglas S. and Helmberger, Donald V. (1990) Broadband modeling of local earthquakes ; Bulletin of the Seismological Society of America; Vol. 80; No. 5; 1162-1179
Somerville, Paul G. and McLaren, James P., et el. (1990) The 25 November 1988 Saguenay, Quebec, Earthquake: Source Parameters and the Attenuation of Strong Ground Motion ; Bulletin of the Seismological Society of America; Vol. 80; No. 5; 1118-1143
Wald, David J. and Helmberger, Donald V., et el. (1990) Rupture process of the 1987 Superstition Hills earthquake from the inversion of strong-motion data ; Bulletin of the Seismological Society of America; Vol. 80; No. 5; 1079-1098
Bent, Allison L. and Helmberger, Donald V., et el. (1989) Waveform modeling of the November 1987 Superstition Hills earthquake ; Bulletin of the Seismological Society of America; Vol. 79; No. 2; 500-514
Stead, Richard J. and Helmberger, Donald V. (1988) Numerical-analytical interfacing in two dimensions with applications to modeling NTS seismograms ; Pure and Applied Geophysics; Vol. 128; No. 1-2; 157-193; 10.1007/BF01772596
Vidale, John E. and Helmberger, Donald V. (1988) Elastic finite-difference modeling of the 1971 San Fernando, California earthquake ; Bulletin of the Seismological Society of America; Vol. 78; No. 1; 122-141
Helmberger, Donald V. and Vidale, John E. (1988) Modeling strong motions produced by earthquakes with two-dimensional numerical codes ; Bulletin of the Seismological Society of America; Vol. 78; No. 1; 109-121
Burger, R. W. and Somerville, P. G., et el. (1987) The effect of crustal structure on strong ground motion attenuation relations in eastern North America ; Bulletin of the Seismological Society of America; Vol. 77; No. 2; 420-439
Somerville, P. G. and McLaren, J. P., et el. (1987) Comparison of source scaling relations of eastern and western North American earthquakes ; Bulletin of the Seismological Society of America; Vol. 77; No. 2; 322-346
Wallace, T. C. and Helmberger, D. V., et el. (1986) Reply to comments by A. Douglas, J. B. Young, and N. S. Lyman and a note on the revised moments for Pahute Mesa tectonic release ; Bulletin of the Seismological Society of America; Vol. 76; No. 1; 313-318
Vidale, John and Helmberger, Donald V., et el. (1985) Finite-difference seismograms for SH waves ; Bulletin of the Seismological Society of America; Vol. 75; No. 6; 1765-1782
Liu, Hsui-Lin and Helmberger, Donald V. (1985) The 23:19 aftershock of the 15 October 1979 Imperial Valley earthquake: More evidence for an asperity ; Bulletin of the Seismological Society of America; Vol. 75; No. 3; 689-708
Scott, Patricia and Helmberger, Donald V. (1985) Applications of the transmitted Kirchhoff-Holmholtz method to transmitted body waves and possible structural effects at NTS ; Bulletin of the Seismological Society of America; Vol. 75; No. 1; 131-156
Wallace, Terry C. and Helmberger, Donald V., et el. (1985) Evidence of tectonic release from underground nuclear explosions in long-period S waves ; Bulletin of the Seismological Society of America; Vol. 75; No. 1; 157-174
Lay, Thorne and Helmberger, Don V., et el. (1984) Source models and yield-scaling relations for underground nuclear explosions at Amchitka Island ; Bulletin of the Seismological Society of America; Vol. 74; No. 3; 843-862
Lay, Thorne and Wallace, Terry C., et el. (1984) The effects of tectonic release on short-period P waves from NTS explosions ; Bulletin of the Seismological Society of America; Vol. 74; No. 3; 819-842
Lay, Thorne and Helmberger, Donald V. (1983) Body-wave amplitude and travel-time correlations across North America ; Bulletin of the Seismological Society of America; Vol. 73; No. 4; 1063-1076
Liu, Hsui-Lin and Helmberger, Donald V. (1983) The near-source ground motion of the 6 August 1979 Coyote Lake, California, earthquake ; Bulletin of the Seismological Society of America; Vol. 73; No. 1; 201-218
Hadley, David M. and Helmberger, Donald V., et el. (1982) Peak acceleration scaling studies ; Bulletin of the Seismological Society of America; Vol. 72; No. 3; 959-979
Hartzell, Stephen and Helmberger, Donald V. (1982) Strong-motion modeling of the Imperial Valley earthquake of 1979 ; Bulletin of the Seismological Society of America; Vol. 72; No. 2; 571-596
Ebel, John E. and Helmberger, Donald V. (1982) P-wave complexity and fault asperities: The Borrego Mountain, California, earthquake of 1968 ; Bulletin of the Seismological Society of America; Vol. 72; No. 2; 413-437
Wallace, Terry C. and Helmberger, Don V., et el. (1981) A broadband study of the 13 August 1978 Santa Barbara earthquake ; Bulletin of the Seismological Society of America; Vol. 71; No. 6; 1701-1718
Helmberger, Donald V. and Hadley, David M. (1981) Seismic source functions and attenuation from local and teleseismic observations of the NTS events Jorum and Handley ; Bulletin of the Seismological Society of America; Vol. 71; No. 1; 51-67
Helmberger, D. V. and Engen, G. R. (1980) Modeling the long-period body waves from shallow earthquakes at regional ranges ; Bulletin of the Seismological Society of America; Vol. 70; No. 5; 1699-1714
Hadley, David M. and Helmberger, Donald V. (1980) Simulation of strong ground motions ; Bulletin of the Seismological Society of America; Vol. 70; No. 2; 617-630
Heaton, Thomas H. and Helmberger, Donald V. (1979) Generalized ray models of the San Fernando Earthquake ; Bulletin of the Seismological Society of America; Vol. 69; No. 5; 1311-1341
Burdick, L. J. and Helmberger, D. V. (1979) Time functions appropriate for nuclear explosions ; Bulletin of the Seismological Society of America; Vol. 69; No. 4; 957-973
Helmberger, D. V. and Burdick, L. J. (1979) Synthetic Seismograms ; Annual Review of Earth and Planetary Sciences; Vol. 7; 417-442; 10.1146/annurev.ea.07.050179.002221
Hong, Tai-Lin and Helmberger, Donald V. (1978) Glorified optics and wave propagation in nonplanar structure ; Bulletin of the Seismological Society of America; Vol. 68; No. 5; 1313-1330
Mellman, George R. and Helmberger, Donald V. (1978) A modified first-motion approximation for the synthesis of body-wave seismograms ; Geophysical Journal International; Vol. 54; No. 1; 129-140; 10.1111/j.1365-246X.1978.tb06760.x
Helmberger, D. V. and Engen, G. (1978) Fine structure of an oceanic crustal section near the East Pacific Rise ; Bulletin of the Seismological Society of America; Vol. 68; No. 2; 369-382
Harkrider, D. G. and Helmberger, D. V. (1978) A note on nonequivalent quadrupole source cylindrical shear potentials which give equal displacements ; Bulletin of the Seismological Society of America; Vol. 68; No. 1; 125-132
Heaton, Thomas H. and Helmberger, Donald V. (1978) Predictability of strong ground motion in the Imperial Valley: Modeling the M4.9, November 4, 1976 Brawley earthquake ; Bulletin of the Seismological Society of America; Vol. 68; No. 1; 31-48
Hong, Tai-Lin and Helmberger, Donald V. (1977) Generalized ray theory for dipping structure ; Bulletin of the Seismological Society of America; Vol. 67; No. 4; 995-1008
Helmberger, Donald V. and Johnson, Lane R. (1977) Source parameters of moderate size earthquakes and the importance of receiver crustal structure in interpreting observations of local earthquakes ; Bulletin of the Seismological Society of America; Vol. 67; No. 2; 301-313
Heaton, Thomas H. and Helmberger, Donald V. (1977) A study of the strong ground motion of the Borrego Mountain, California, earthquake ; Bulletin of the Seismological Society of America; Vol. 67; No. 2; 315-330
King, David and Helmberger, Donald V. (1975) Time functions appropriate for some aftershocks of the Point Mugu, California earthquake of February 21, 1973 ; Bulletin of the Seismological Society of America; Vol. 65; No. 1; 127-132
Langston, Charles A. and Helmberger, Donald V. (1974) Interpretation of body and Rayleigh waves from NTS to Tucson ; Bulletin of the Seismological Society of America; Vol. 64; No. 6; 1919-1929
Burdick, L. J. and Helmberger, D. V. (1974) Time functions appropriate for deep earthquakes ; Bulletin of the Seismological Society of America; Vol. 64; No. 5; 1419-1427
Mellman, George R. and Helmberger, Donald V. (1974) High-frequency attenuation by a thin high-velocity layer ; Bulletin of the Seismological Society of America; Vol. 64; No. 5; 1383-1388
Helmberger, Donald V. (1974) Generalized ray theory for shear dislocations ; Bulletin of the Seismological Society of America; Vol. 64; No. 1; 45-64
Helmberger, Donald V. (1973) Numerical seismograms of long-period body waves from seventeen to forty degrees ; Bulletin of the Seismological Society of America; Vol. 63; No. 2; 633-646
Helmberger, D. V. and Harkrider, D. G. (1972) Seismic Source Descriptions of Underground Explosions and a Depth Discriminate ; Geophysical Journal International; Vol. 31; No. 1-3; 45-66; 10.1111/j.1365-246X.1972.tb02358.x
Helmberger, Donald V. (1972) Long-period body-wave propagation from 4° to 13° ; Bulletin of the Seismological Society of America; Vol. 62; No. 1; 325-341
Abrams, M. and Allen, C., et el. (1971) Preliminary seismological and geological studies of the San Fernando, California, earthquake of February 9 1971 ; Bulletin of the Seismological Society of America; Vol. 61; No. 2; 491-495
