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Offset Across the Northern Margin of the Tibetan Plateau ; Science;
Vol. 281; No. 5380; 1170-1172; 10.1126/science.281.5380.1170
Wen, Lianxing and Helmberger, Donald V. (1998) A
two-dimensional P-SV hybrid method and its application to modeling
localized structures near the core-mantle boundary ; Journal of
Geophysical Research B; Vol. 103; No. B8; 17,901-17,918; 10.1029/98JB01276
Garnero, Edward J. and Helmberger, Donald V. (1998) Further
structural constraints and uncertainties of a thin laterally varying
ultralow-velocity layer at the base of the mantle ; Journal of
Geophysical Research B; Vol. 103; No. B6; 12,495-12,509; 10.1029/98JB00700
Melbourne, Tim and Helmberger, Don (1998) Fine
structure of the 410-km discontinuity ; Journal of Geophysical
Research B; Vol. 103; No. B5; 10,091-10,102; 10.1029/98JB00164
Wen, Lianxing and Helmberger, Donald V. (1998) Ultra-Low
Velocity Zones Near the Core-Mantle Boundary from Broadband PKP
Precursors ; Science; Vol. 279; No. 5357; 1701-1703; 10.1126/science.279.5357.1701
Sato, Toshiaki; Helmberger, Donald V.; et el. (1998) Estimates
of regional and local strong motions during the great 1923 Kanto, Japan,
earthquake (Ms 8.2). Part 1: Source estimation of a calibration event
and modeling of wave propagation paths ; Bulletin of the
Seismological Society of America; Vol. 88; No. 1; 183-205
Song, Xi J. and Helmberger, Donald V. (1998) Pseudo
Green’s Functions and Waveform Tomography ; Bulletin of the
Seismological Society of America; Vol. 88; No. 1; 304-312
Helmberger, Don (1998) Helmberger
Receives Lehmann Medal ; Eos; Vol. 79; No. 4; 47; 10.1029/98EO00032
Zhu, Lupei; 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
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
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
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
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
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.; 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.; 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.; 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.; 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.; 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.; 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.; 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.; 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.; 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.; 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.; 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.; 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; 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
Wald, David J.; 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
Somerville, Paul G.; 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
Bent, Allison L.; 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
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
Somerville, P. G.; 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
Burger, R. W.; 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
Wallace, T. C.; 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; 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.; 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; 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; 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.; Helmberger, Donald V.; et el. (1982) Peak
acceleration scaling studies ; Bulletin of the Seismological Society
of America; Vol. 72; No. 3; 959-979
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
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
Wallace, Terry C.; 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
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
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
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
Interpretation
of body and Rayleigh waves from NTS to Tucson ; Bulletin of the
Seismological Society of America; Vol. 64; No. 6; 1919-1929
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
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
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.; 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
