D. Helmberger

发表

Complementary slip distributions of the largest earthquakes in the 2012 Brawley swarm, Imperial Valley, California

S. Owen, K. Hudnut, E. Fielding, 2013 .

Subducting Slab Ultra-Slow Velocity Layer Coincident with Silent Earthquakes in Southern Mexico

R. Clayton, D. Helmberger, T. Song, 2008, Science.

Generalized ray models of the San Fernando Earthquake

T. Heaton, D. Helmberger, 1979 .

The Bermuda earthquake of March 24, 1978: A significant oceanic intraplate event

D. Helmberger, G. S. Stewart, 1981 .

Earthquake ruptures modulated by waves in damaged fault zones

D. Helmberger, Yihe Huang, J. Ampuero, 2014 .

Site-Specific Estimation of Spatial Incoherence of Strong Ground Motion

C. K. Saikia, James P. McLaren, P. Somerville, 1988 .

The influence of site conditions on the spatial incoherence of ground motions

Mrinal K. Sen, James P. McLaren, P. Somerville, 1991 .

The 2013, Mw 7.7 Balochistan earthquake, energetic strike-slip reactivation of a thrust fault

J. Avouac, S. Wei, D. Helmberger, 2014 .

A technique for the inversion of regional data in source parameter studies

T. Wallace, D. Helmberger, G. Mellman, 1981 .

Rupture Directivity Characteristics of the 2003 Big Bear Sequence

Donald V. Helmberger, D. Helmberger, Ying Tan, 2010 .

Regional moments, energy levels, and a new discriminant

D. Helmberger, Lian-She Zhao, 1996 .

Comparison of source scaling relations of eastern and western North American earthquakes

Paul Somerville, Donald V. Helmberger, James P. McLaren, 1987 .

Broadband modeling of local earthquakes

Douglas S. Dreger, Donald V. Helmberger, D. Helmberger, 1990 .

Applications of the Kirchhoff‐Helmholtz integral to problems in seismology

Donald V. Helmberger, D. Helmberger, Patricia Scott, 1983 .

The near-source ground motion of the 6 August 1979 Coyote Lake, California, earthquake

Donald V. Helmberger, D. Helmberger, Hsui-Lin Liu, 1983 .

Rupture model of the 1989 Loma Prieta earthquake from the inversion of strong-motion and broadband teleseismic data

Thomas H. Heaton, David J. Wald, Donald V. Helmberger, 1991, Bulletin of the Seismological Society of America.

Source study of the 1906 San Francisco earthquake

Thomas H. Heaton, David J. Wald, Hiroo Kanamori, 1993, Bulletin of the Seismological Society of America.

Broadband modelling along a regional shield path, Harvard recording of the Saguenay earthquake

D. Helmberger, Lian-She Zhao, 1991 .

Rupture Process of the 2004 Sumatra-Andaman Earthquake

Chen Ji, Hiroo Kanamori, Thorne Lay, 2005, Science.

Rupture complexity of the 1994 Bolivia and 2013 Sea of Okhotsk deep earthquakes

H. Kanamori, Z. Zhan, S. Wei, 2014 .

Supershear rupture in a Mw 6.7 aftershock of the 2013 Sea of Okhotsk earthquake

P. Shearer, H. Kanamori, Z. Zhan, 2014, Science.

Modeling the 2012 Wharton basin earthquakes off‐Sumatra: Complete lithospheric failure

J. Avouac, S. Wei, D. Helmberger, 2013 .

A sequence of large strike-slip earthquakes occurred west of Sunda Trench beneath the Wharton Basin

J. Avouac, S. Wei, D. Helmberger, 2013 .

Partial rupture of a locked patch of the Sumatra megathrust during the 2007 earthquake sequence

Chen Ji, Yehuda Bock, Eric J. Fielding, 2008, Nature.

Rupture Kinematics of the 2005 Mw 8.6 Nias-Simeulue Earthquake from the Joint Inversion of Seismic and Geodetic Data

K. Sieh, J. Avouac, C. Ji, 2007 .

Seismology: Energy radiation from the Sumatra earthquake

H. Kanamori, D. Helmberger, S. Ni, 2005, Nature.

Peak acceleration scaling studies

D. Helmberger, J. Orcutt, D. Hadley, 1982 .

Direct measures of lateral velocity variation in the deep Earth

Daoyuan Sun, D. Helmberger, S. Ni, 2009 .

Upper mantle cross section from Tonga to Newfoundland

R. Graves, D. Helmberger, 1988 .

Upper mantle P velocity structure of the Canadian Shield

D. Helmberger, L. LeFevre, 1989 .

Upper mantle compressional velocity structure beneath the northwest Atlantic Ocean

D. Helmberger, Lian-She Zhao, 1993 .

Source retrieval from broadband regional seismograms: Hindu Kush region

D. Helmberger, Zhao Lian-she, 1993 .

Geophysical implications from relocations of Tibetan Earthquakes; Hot lithosphere

D. Helmberger, Lian-She Zhao, 1991 .

Shear‐velocity structure of the crust and upper mantle beneath the Tibetan Plateau and southeastern China

D. Helmberger, Lian-She Zhao, D. Harkrider, 1991 .

Velocity structure near the inner core boundary from waveform modeling

Xiaodong Song, D. Helmberger, 1992 .

Upper mantle P velocity structure beneath the Midwestern United States derived from triplicated waveforms

D. Helmberger, B. Schmandt, R. Chu, 2012 .

Effects of Source RDP Models and Near-source Propagation: Implication for Seismic Yield Estimation

C. K. Saikia, D. Helmberger, R. Stead, 2001 .

Source estimation of finite faults from broadband regional networks

Xi J. Song, D. Helmberger, 1996, Bulletin of the Seismological Society of America.

Analysis and Simulation of 3D Scattering due to Heterogeneous Crustal Structure and Surface Topography on Regional Phases; Magnitude and Discrimination

A. Pitarka, D. Helmberger, 2009 .

The upper mantle P velocity structure of the western United States

D. Helmberger, L. Burdick, 1978 .

Ridge‐like lower mantle structure beneath South Africa

D. Helmberger, S. Ni, 2003 .

Determining source parameters of moderate-size earthquakes from regional waveforms

T. Wallace, D. Helmberger, 1982 .

Broad-Band Modelling of Regional Seismograms: the Basin and Range Crustal Structure

Xi J. Song, D. Helmberger, Lian-She Zhao, 1996 .

Three-dimensional structure of the African superplume from waveform modelling

J. Tromp, D. Helmberger, S. Ni, 2005 .

Regional waveform calibration in the Pamir-Hindu Kush region

C. K. Saikia, D. Helmberger, Lupei Zhu, 1997 .

Finite-difference modeling of two aftershocks of the 1994 Northridge, California, earthquake

D. Helmberger, C. Scrivner, 1999 .

rapids ourcee stimationfromg lobal calibratedp aths

A. Pitarka, D. Helmberger, S. Ni, 2010 .

Rapid Source Estimation from Global Calibrated Paths

A. Pitarka, D. Helmberger, S. Ni, 2010 .

Waveform modeling of the November 1987 Superstition Hills earthquakes

D. Helmberger, A. Bent, R. Stead, 1989 .

Slip distribution and tectonic implication of the 1999 Chi‐Chi, Taiwan, Earthquake

C. Ji, D. Wald, D. Helmberger, 2001 .

Preliminary evidence for a lower mantle shear wave velocity discontinuity beneath the central Pacific

D. Helmberger, S. Grand, E. Garnero, 1993 .

Trans-Pacific upper mantle shear velocity structure

D. Helmberger, Ying Tan, 2007 .

Seismological support for the metastable superplume model, sharp features, and phase changes within the lower mantle

Daoyuan Sun, D. Helmberger, M. Gurnis, 2007, Proceedings of the National Academy of Sciences.

Seismic evidence for ultralow-velocity zones beneath Africa and

D. Helmberger, L. Wen, S. Ni, 2000 .

AFTERSHOCK OF T H E 15 OCTOBER 1979 IMPERIAL VALLEY EARTHQUAKE : MORE EVIDENCE FOR AN ASPERITY BY

D. Helmberger, Hsui-Lin Liu, 2005 .

Rupture Process of the 1999 Mw 7.1 Duzce Earthquake from Joint Analysis of SPOT, GPS, InSAR, Strong-Motion, and Teleseismic Data: A Supershear Rupture with Variable Rupture Velocity

Sebastien Leprince, Jean-Philippe Avouac, Donald V. Helmberger, 2010 .

Lithospheric waveguide beneath the Midwestern United States; massive low‐velocity zone in the lower crust

D. Helmberger, R. Chu, 2014 .

Lithospheric radial anisotropy beneath the Gulf of Mexico

Z. Zhan, S. Wei, D. Helmberger, 2017 .

Notes on the variability of reflected inner core phases

Daoyuan Sun, D. Helmberger, Dunzhu Li, 2014 .

Trans-Pacific whole mantle structure

Daoyuan Sun, D. Helmberger, Lijun Liu, 2011 .

Development of Regional Discriminants

D. Helmberger, D. Harkrider, 1996 .

Regional Source Parameters, Seismic Energy, and Discrimination

D. Helmberger, B. Woods, 1996 .

Intermediate depth earthquakes beneath the India‐Tibet Collision Zone

D. Helmberger, Lupei Zhu, 1996 .

Locating and modeling regional earthquakes with two stations

C. K. Saikia, D. Helmberger, Lupei Zhu, 2006 .

Seismic source and structure estimation in the western Mediterranean using a sparse broadband network

C. K. Saikia, Xi J. Song, H. Thio, 1999 .

Effect of velocity structure in D″ on PKP phases

Xiaodong Song, D. Helmberger, 1993 .

Further structural constraints and uncertainties of a thin laterally varying ultralow-velocity layer at the base of the mantle

D. Helmberger, E. Garnero, 1998 .

Upper mantle structure of northwestern Eurasia

J. Given, D. Helmberger, 1980 .

Lateral variations near the core‐mantle boundary

D. Helmberger, E. Garnero, G. Engen, 1988 .

Notes on wave propagation in laterally varying structure.

D. Helmberger, S. Grand, G. Engen, 1985 .

A modified first-motion approximation for the synthesis of body-wave seismograms

D. Helmberger, G. Mellman, 1978 .

Upper mantle surprises derived from the recent Virginia earthquake waveform data

D. Helmberger, M. Gurnis, R. Chu, 2014 .

A note on lateral variation in upper mantle shear‐wave velocity across the Alpine front

D. Helmberger, J. Rial, S. Grand, 1984 .

A very slow basal layer underlying large-scale low-velocity anomalies in the lower mantle beneath the Pacific: evidence from core phases

D. Helmberger, E. Garnero, 1995 .

Uppermantle shear structure beneath Asia from multi-bounce S waves☆

D. Helmberger, S. Grand, 1985 .

Upper- mantle cross-section from California to Greenland ( USA).

D. Helmberger, S. Grand, G. Engen, 1985 .

SPECIALIZED STUDIES IN YIELD ESTIMATION

C. K. Saikia, James P. McLaren, D. Helmberger, 1992 .

Kursk Explosion by Brian Savage and

D. Helmberger, 2001 .

Short-period constraints on the proposed transition zone discontinuity

D. Helmberger, J. Mori, L. Jones, 1992 .

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

T. Lay, T. Wallace, D. Helmberger, 1986 .

Seismic Modeling Constraints on the South African Super Plume

D. Helmberger, S. Ni, Don Helmberger, 2013 .

Low-velocity zone atop the 410-km seismic discontinuity in the northwestern United States

D. Helmberger, T. Song, S. Grand, 2004, Nature.

A depleted, destabilized continental lithosphere near the Rio Grande rift

D. Helmberger, T. Song, 2007 .

P and S waveform modeling of continental sub-lithospheric detachment at the eastern edge of the Rio Grande Rift

D. Helmberger, T. Song, 2007 .

Hidden hotspot track beneath the eastern United States

D. Helmberger, M. Gurnis, W. Leng, 2012 .

Impact of broadband seismology on the understanding of strong motions

Hiroo Kanamori, H. Kanamori, D. Helmberger, 1993, Bulletin of the Seismological Society of America.

Rapid Assessment of Earthquake Source Characteristics

S. Wei, D. Helmberger, S. Y. Lui, 2016 .

Rapid Assessment of Earthquake Source Characteristics by Semechah

S. Wei, D. Helmberger, Junjie Yu, 2016 .

Modeling strong motions produced by earthquakes with two-dimensional numerical codes

D. Helmberger, J. Vidale, 1988 .

Velocity variations in the uppermost mantle beneath the southern Sierra Nevada and Walker Lane

C. Ji, D. Helmberger, B. Savage, 2003 .

Approximation of rupture directivity in regional phases using upgoing and downgoing wave fields

C. K. Saikia, D. Helmberger, 1997, Bulletin of the Seismological Society of America.

Numerical seismograms of long-period body waves from seventeen to forty degrees

D. Helmberger, 1973, Bulletin of the Seismological Society of America.

Earthquake source parameters and fault kinematics in the eastern California shear zone

D. Helmberger, L. Jones, 1998, Bulletin of the Seismological Society of America.

The shear‐wave velocity gradient at the base of the mantle

T. Lay, D. Helmberger, 1983 .

Shear velocities at the base of the mantle from observations of S and ScS

D. Helmberger, B. Mitchell, 1973 .

Search for temporal changes in seismic velocities using large explosions in southern California

C. R. Allen, D. Helmberger, C. Allen, 1973 .

Evidence for a sharp lateral variation of velocity at the core–mantle boundary from multipathed PKPab

D. Helmberger, S. Luo, S. Ni, 2001 .

Body wave amplitude patterns and upper mantle attenuation variations across North America

T. Lay, D. Helmberger, 1981 .

Preliminary seismological and geological studies of the San Fernando, California, earthquake of February 9 1971

C. R. Allen, D. L. Anderson, T. Jordan, 1971 .

Review of large low shear velocity provinces in the lower mantle

D. Helmberger, M. Gurnis, E. Tan, 2009 .

EVIDENCE OF TECTONIC RELEASE FROM UNDERGROUND NUCLEAR EXPLOSIONS IN LONG-PERIOD S WAVES

T. Wallace, D. Helmberger, G. Engen, 1985 .

On the Structure of the Low Velocity Zone

D. Helmberger, 1973 .

Long-period body-wave propagation from 4° to 13°

D. Helmberger, 1972, Bulletin of the Seismological Society of America.

Shallow Basin Structure and Attenuation Are Key to Predicting Long Shaking Duration in Los Angeles Basin

Z. Zhan, R. Graves, D. Helmberger, 2020, Journal of Geophysical Research: Solid Earth.

For example , several different 1-D models have been proposed to approximate the structure beneath Central America [ Lay and Helmberger

D. Helmberger, M. Gurnis, I. Sidorin, 2007 .

Further constraints on the African superplume structure

D. Helmberger, S. Ni, 2003 .

Relationship of D″ structure with the velocity variations near the inner‐core boundary

D. Helmberger, S. Luo, S. Ni, 2002 .

Probing an ultra‐low velocity zone at the core mantle boundary with P and S waves

D. Helmberger, S. Ni, 2001 .

Modeling two-dimensional structure at the core-mantle boundary

D. Helmberger, E. Garnero, X. Ding, 1996 .

Path Calibration, Source Estimation and Regional Discrimination for the Middle East: Application to the Hindu-Kush Region.

C. K. Saikia, H. Thio, D. Helmberger, 1996 .

Localized boundary layer below the mid-Pacific velocity anomaly identified from a PcP precursor

D. Helmberger, J. Mori, 1995 .

Low P‐wave velocity at the base of the mantle

D. Helmberger, S. Grand, E. Garnero, 1993 .

Preliminary observations from the use of US-Soviet Joint Seismic Program data to model upper mantle triplications beneath Asia

D. Helmberger, E. Garnero, L. Burdick, 1993 .

Exploration of the lower lithosphere; northeastern United States

D. Helmberger, D. Dreger, L. S. Zhao, 1992 .

The structure of the lowermost mantle determined by short-period P-wave amplitudes

D. Helmberger, L. Ruff, 1982 .

The 2014 Mw 6.1 South Napa Earthquake: A Unilateral Rupture with Shallow Asperity and Rapid Afterslip

Kenneth W. Hudnut, Sylvain Barbot, Robert W. Graves, 2015 .

Rupture complexity of the Mw 8.3 sea of okhotsk earthquake: Rapid triggering of complementary earthquakes?

Z. Zhan, R. Graves, S. Wei, 2013 .

Anomalously steep dips of earthquakes in the 2011 Tohoku-Oki source region and possible explanations

J. Avouac, K. Hudnut, H. Kanamori, 2012 .

Complex faulting deduced from broadband modeling of the 28 February 1990 Upland earthquake (ML = 5.2)

D. Helmberger, D. Dreger, 1991, Bulletin of the Seismological Society of America.

Southern California Seismographic Network; report to the U.S. Geological Survey, August 21, 1990

R. Clayton, H. Kanamori, E. Hauksson, 1991 .

Source complexity of the October 1, 1987, Whittier Narrows earthquake

D. Helmberger, A. Bent, 1989 .

The Oroville Earthquakes: A study of source characteristics and site effects

D. Helmberger, Stephen N. Cohn, T. Hong, 1982 .

P-wave complexity and fault asperities: The Borrego Mountain, California, earthquake of 1968

J. Ebel, D. Helmberger, 1982 .

A broadband study of the 13 August 1978 Santa Barbara earthquake

J. Ebel, T. Wallace, D. Helmberger, 1981 .

Simulation of strong ground motions

Donald V. Helmberger, D. Helmberger, D. Hadley, 1980 .

The 2011 Magnitude 9.0 Tohoku-Oki Earthquake: Mosaicking the Megathrust from Seconds to Centuries

Sarah E. Minson, Jean-Paul Ampuero, Hiroo Kanamori, 2011, Science.

The 2005, Mw 7.6 Kashmir earthquake: Sub-pixel correlation of ASTER images and seismic waveforms analysis

Sebastien Leprince, Jean-Philippe Avouac, Donald V. Helmberger, 2006 .

A Broad-Band Study of Attenuation in Ocean Bottom Sediments

D. Helmberger, J. Barker, 1986 .

Upper mantle shear structure

D. Helmberger, G. Engen, 1974 .

Upper mantle structure of the western United States

Donald V. Helmberger, R. Wiggins, D. Helmberger, 1971 .

A note on velocity, density, and attenuation models for marine sediments determined from multibounce phases

D. Helmberger, Patricia Scott, G. Engen, 1979 .

The crust-mantle transition in the Bering Sea

D. Helmberger, 1968 .

Time functions appropriate for deep earthquakes

D. Helmberger, L. Burdick, 1974, Bulletin of the Seismological Society of America.

BODY-WAVE AMPLITUDE AND TRAVEL-TIME CORRELATIONS ACROSS NORTH AMERICA

T. Lay, D. Helmberger, 1983 .

Modeling regional seismic waves from underground nuclear explosion. Final report, 17 March 1987-31 May 1989

Robert W. Clayton, Donald V. Helmberger, David G. Harkrider, 1988 .

The 2012 Brawley swarm triggered by injection-induced aseismic slip

J. Avouac, K. Hudnut, A. Donnellan, 2015 .

Superficial simplicity of the 2010 El Mayor-Cucapah earthquake of Baja California in Mexico

Kenneth W. Hudnut, Eric J. Fielding, Anthony Sladen, 2011 .

A P wave velocity model of Earth's core

Xiaodong Song, D. Helmberger, 1995 .

STRONG-MOTION MODELING OF THE IMPERIAL VALLEY EARTHQUAKE OF 1979

Stephen H. Hartzell, Donald V. Helmberger, S. Hartzell, 1982 .

Sources of shaking and flooding during the Tohoku-Oki earthquake: A mixture of rupture styles

Robert W. Graves, Donald V. Helmberger, Shengji Wei, 2012 .

Global synthetic seismograms using a 2-D finite-difference method

Robert W. Clayton, Donald V. Helmberger, R. Clayton, 2014 .

A note on nonequivalent quadrupole source cylindrical shear potentials which give equal displacements

D. Helmberger, D. Harkrider, 1978, Bulletin of the Seismological Society of America.

Generalized ray theory for shear dislocations

D. Helmberger, 1974, Bulletin of the Seismological Society of America.

Generalized Ray Theory for a Layered Sphere

F. Gilbert, D. Helmberger, 1972 .

Retrieval of Moho‐reflected shear wave arrivals from ambient seismic noise

Zhongwen Zhan, Robert W. Clayton, Donald V. Helmberger, 2010 .

Constraining outermost core velocity with SmKS waves

D. Helmberger, S. Grand, E. Garnero, 1993 .

A travel time and amplitude interpretation of a marine refraction profile: Primary waves

D. Helmberger, G. B. Morris, 1969 .

Determining Moho Depth beneath Sedimentary Basins Using Regional Pn Multiples

Z. Zhan, E. Hauksson, D. Helmberger, 2019, Bulletin of the Seismological Society of America.

Modeling the long-period body waves from shallow earthquakes at regional ranges

D. Helmberger, G. Engen, 1980 .

Fine structure of an oceanic crustal section near the East Pacific Rise

D. Helmberger, G. Engen, 1978 .

Regional seismic discriminants using wave-train energy ratios

D. Helmberger, B. Woods, 1997, Bulletin of the Seismological Society of America.

Low‐velocity zone variations in the southwestern United States

D. Helmberger, J. E. York, 1973 .

High-frequency attenuation by a thin high-velocity layer

D. Helmberger, G. Mellman, 1974, Bulletin of the Seismological Society of America.

Advancement in source estimation techniques using broadband regional seismograms

Donald V. Helmberger, D. Helmberger, Lupei Zhu, 1996, Bulletin of the Seismological Society of America.

Source Estimation from Broadband Regional Seismograms

Donald V. Helmberger, D. Helmberger, Lian-She Zhao, 1994 .

Source Description of the 1999 Hector Mine, California, Earthquake, Part I: Wavelet Domain Inversion Theory and Resolution Analysis

Chen Ji, David J. Wald, Donald V. Helmberger, 2002 .

Determination of source parameters at regional distances with three‐component sparse network data

Douglas S. Dreger, Donald V. Helmberger, D. Helmberger, 1993 .

The potential for supershear earthquakes in damaged fault zones – theory and observations

D. Helmberger, Yihe Huang, J. Ampuero, 2016 .

Large-amplitude Moho reflections (SmS) from Landers aftershocks, southern California

D. Helmberger, J. Mori, 1996, Bulletin of The Seismological Society of America (BSSA).

The effect of crustal structure on strong ground motion attenuation relations in eastern North America

Robert B. Herrmann, Paul Somerville, Donald V. Helmberger, 1987 .

Determination of earthquake focal depths and source time functions in central Asia using teleseismic P waveforms

Donald V. Helmberger, Risheng Chu, D. Helmberger, 2009 .

Synthetic seismograms from model ocean bottoms

P. Spudich, D. Helmberger, 1979 .

Mantle control of plate boundary deformation

D. Helmberger, T. Melbourne, 2001 .

TIME FUNCTIONS APPROPRIATE FOR DEEP E A R T H Q U A K E S BY L. J. BURDICK AND D. V. HELMBERGER

D. Helmberger, L. Burdick, 2005 .

A Comparative Study of the Sumatran Subduction-Zone Earthquakes of 1935 and 1984

K. Sieh, D. Natawidjaja, L. Rivera, 2002 .

Glorified optics and wave propagation in nonplanar structure

D. Helmberger, T. Hong, 1978, Bulletin of the Seismological Society of America.

A travel time and amplitude interpretation of a marine refraction profile: Transformed shear waves

D. Helmberger, G. B. Morris, 1970 .

Juan de Fuca subduction zone from a mixture of tomography and waveform modeling

D. Helmberger, B. Schmandt, R. Chu, 2012 .

A lower mantle S-wave triplication and the shear velocity structure of D"

T. Lay, D. Helmberger, 1983 .

Rupture process of the 1987 Superstition Hills earthquake from the inversion of strong-motion data

David J. Wald, Stephen H. Hartzell, Donald V. Helmberger, 1990, Bulletin of the Seismological Society of America.

The 2015 Gorkha (Nepal) earthquake sequence: I. Source modeling and deterministic 3D ground shaking

Xin Wang, Robert W. Graves, Teng Wang, 2018 .

Upper mantle shear structure of North America

D. Helmberger, S. Grand, 1984 .

A dipping, thick segment of the Farallon Slab beneath central U.S.

Daoyuan Sun, D. Helmberger, M. Gurnis, 2017 .

Evidence for a chemical-thermal structure at base of mantle from sharp lateral P-wave variations beneath Central America

Xiaodong Song, D. Helmberger, Si-hua Zheng, 2007, Proceedings of the National Academy of Sciences.

Seismological constraints on the South African superplume; could be the oldest distinct structure on earth

Donald V. Helmberger, Sidao Ni, D. Helmberger, 2003 .

Sharp Sides to the African Superplume

D. Helmberger, M. Gurnis, E. Tan, 2002, Science.

Evidence for strong shear velocity reductions and velocity gradients in the lower mantle beneath Africa

D. Helmberger, S. Ni, J. Ritsema, 1998 .

Deep mantle structure and the postperovskite phase transition.

T. Lay, D. Helmberger, M. Gurnis, 2005, Proceedings of the National Academy of Sciences of the United States of America.

Whole mantle shear structure beneath the East Pacific Rise

D. Helmberger, T. Melbourne, 2002 .

Low-velocity structure beneath Africa from forward modeling

Xiaoming Ding, Donald V. Helmberger, Michael Gurnis, 1999 .

Dynamics of a phase change at the base of the mantle consistent with seismological observations

D. Helmberger, M. Gurnis, I. Sidorin, 1999 .

Interpreting D" seismic structure using synthetic waveforms computed from dynamic models

D. Helmberger, M. Gurnis, X. Ding, 1998 .

PKP differential travel times: Implications for 3‐D lower mantle structure

Xiaodong Song, D. Helmberger, 1997 .

Locating earthquakes with surface waves and centroid moment tensor estimation

Z. Zhan, S. Wei, D. Helmberger, 2012 .

Seismic detection of a thin laterally varying boundary layer at the base of the mantle beneath the central‐Pacific

D. Helmberger, E. Garnero, 1996 .

Synthetic Seismograms

D. Helmberger, L. Burdick, 2019, Theoretical Global Seismology.

Upper mantle compressional velocity structure beneath the West Mediterranean Basin

D. Helmberger, N. A. Pino, 1997 .

Slip history and dynamic implications of the 1999 Chi‐Chi, Taiwan, earthquake

C. Ji, D. Wald, D. Helmberger, 2003 .

Source Description of the 1999 Hector Mine, California, Earthquake, Part II: Complexity of Slip History

Chen Ji, David J. Wald, Donald V. Helmberger, 2002 .

Numerical-analytical interfacing in two dimensions with applications to modeling NTS seismograms

D. Helmberger, R. Stead, 1988 .

Synthetic Seismogram Computation by Expansion in Generalized Rays

D. Helmberger, Ralph A. Wigginst, 1974 .

Surface Wave Path Corrections and Source Inversions in Southern California

Ying Tan, Donald V. Helmberger, Alex Song, 2010 .

Validating tomographic model with broad-band waveform modelling: an example from the LA RISTRA transect in the southwestern United States

D. Helmberger, T. Song, 2007 .

A Procedure for Modelling Shallow Dislocation Sources

D. Helmberger, C. Langston, 2007 .

Basin Structure Estimation by Waveform Modeling: Forward and Inverse Methods

Chen Ji, David J. Wald, Donald V. Helmberger, 2000 .

A study of the strong ground motion of the Borrego Mountain, California, earthquake

T. Heaton, D. Helmberger, 1977, Bulletin of the Seismological Society of America.

Source parameters of the Sierra Madre Earthquake from regional and local body waves

Douglas S. Dreger, Donald V. Helmberger, D. Helmberger, 1991 .

Waveform modeling of the slab beneath Japan

H. Kanamori, J. Tromp, D. Helmberger, 2007 .

The 25 November 1988 Saguenay, Quebec, earthquake: Source parameters and the attenuation of strong ground motion

Paul Somerville, C. K. Saikia, Chandan K. Saikia, 1990 .

Elastic finite-difference modeling of the 1971 San Fernando

Donald V. Helmberger, John E. Vidale, D. Helmberger, 1988 .

Mushy magma beneath Yellowstone

Daoyuan Sun, D. Helmberger, J. Jackson, 2009 .

Strong ULVZ and Slab Interaction at the Northeastern Edge of the Pacific LLSVP Favors Plume Generation

Daoyuan Sun, D. Helmberger, M. Gurnis, 2022 .

Approximate 3D Body-Wave Synthetics for Tomographic Models

D. Helmberger, S. Ni, 2005 .

Upper-mantle structures beneath USArray derived from waveform complexity

Donald V. Helmberger, Daoyuan Sun, D. Helmberger, 2011 .

Fine structure of an Aleutian crustal section

D. Helmberger, 1977 .

Interpretation of body and Rayleigh waves from NTS to Tucson

D. Helmberger, C. Langston, 1974, Bulletin of the Seismological Society of America.

Lower Mantle Substructure Embedded in the Farallon Plate: The Hess Conjugate

Z. Zhan, D. Helmberger, J. Y. Ko, 2017 .

Calibration of the Tibetan Plateau Using Regional Seismic Waveforms

C. K. Saikia, D. Helmberger, Lupei Zhu, 2006 .

Estimating the yields of the Amchitka tests by waveform intercorrelation

T. Lay, D. Helmberger, L. Burdick, 1984 .

Seismicity and stress-drop in the eastern Transverse ranges, Southern California

D. Helmberger, L. Jones, 1996 .

ML:M0 as a regional seismic discriminant

D. Helmberger, S. Kedar, B. Woods, 1993, Bulletin of the Seismological Society of America.

The 23:19 aftershock of the 15 October 1979 Imperial Valley earthquake: More evidence for an asperity

Donald V. Helmberger, D. Helmberger, Hsui-Lin Liu, 1985 .

Modeling local earthquakes as shear dislocations in a layered half space

D. Helmberger, S. Malone, 1975 .

Depth Determination of the 2010 El Mayor‐Cucapah Earthquake Sequence (M ≥ 4.0)

Z. Zhan, E. Hauksson, D. Helmberger, 2019, Journal of Geophysical Research: Solid Earth.

SEISMIC CHARACTERISTICS OF EARTHQUAKES ALONG THE OFFSHORE EXTENSION OF THE WESTERN TRANSVERSE RANGES, CALIFORNIA

D. Helmberger, A. Bent, 1991 .

Ground Truth Locations Using Synergy Between Remote Sensing and Seismic Methods

H. Thio, D. Helmberger, G. Ichinose, 2007 .

A body-wave analysis of the 1966 Gisborne, New Zealand, earthquake

D. Helmberger, S. Wesnousky, T. Webb, 1985 .

Major disruption of D″ beneath Alaska

Daoyuan Sun, D. Helmberger, J. Jackson, 2016 .

Lower mantle tomography and phase change mapping

Daoyuan Sun, D. Helmberger, 2008 .

Modelling D″ structure beneath Central America with broadband seismic data

D. Helmberger, X. Ding, 1997 .

Constructing synthetics from deep earth tomographic models

D. Helmberger, S. Ni, X. Ding, 2000 .

The location and source parameters of the Lompoc, California, earthquake of 4 November 1927

P. Somerville, D. Helmberger, E. Garnero, 1992 .

Ambient noise correlation on the Amery Ice Shelf, East Antarctica

Z. Zhan, D. Helmberger, J. Jackson, 2013 .

Depth dependence of anisotropy of Earth's inner core

Xiaodong Song, Xiaodong Song, D. Helmberger, 1995 .

anisotropy of Earth's inner core

Xiaodong Song, Xiaodong Song, D. Helmberger, 1993 .

Inversion of Source Parameters for Moderate Earthquakes Using Short-Period Teleseismic P Waves

A. Pitarka, D. Helmberger, S. Ni, 2014, Pure and Applied Geophysics.

Source model of the 11th July 2004 Zhongba earthquake revealed from the joint inversion of InSAR and seismological data

S. Wei, D. Helmberger, X. Zha, 2011 .

Earthquake Centroid Locations Using Calibration from Ambient Seismic Noise

Zhongwen Zhan, Shengji Wei, Sidao Ni, 2010 .

Short Note Earthquake Centroid Locations Using Calibration from Ambient Seismic Noise

Z. Zhan, S. Wei, D. Helmberger, 2011 .

A New Method for Determining Small Earthquake Source Parameters Using Short-Period P Waves

Donald V. Helmberger, D. Helmberger, Ying Tan, 2007 .

ANALYSIS AND SIMULATION OF THREE-DIMENSIONAL SCATTERING DUE TO HETEROGENEOUS CRUSTAL STRUCTURE AND SURFACE TOPOGRAPHY ON REGIONAL PHASES ; MAGNITUDE AND DISCRIMINATION

A. Pitarka, D. Helmberger, S. Ni, 2007 .

Imaging subducted slab structure beneath the Sea of Okhotsk with teleseismic waveforms

Z. Zhan, D. Helmberger, Dunzhu Li, 2014 .

Path Effects in Strong Motion Seismology.

D. Helmberger, J. Vidale, 1987 .

Slab Control on the Northeastern Edge of the Mid‐Pacific LLSVP Near Hawaii

J. M. Jackson, Daoyuan Sun, D. Helmberger, 2019, Geophysical Research Letters.

Complexity of D″ in the presence of slab‐debris and phase changes

Teh-Ru Alex Song, Daoyuan Sun, D. Helmberger, 2006 .

Rolling hills on the core–mantle boundary

R. Clayton, Daoyuan Sun, D. Helmberger, 2013 .

Horizontal transition from fast to slow structures at the core-mantle boundary; South Atlantic

D. Helmberger, S. Ni, 2001 .

A shear velocity discontinuity in the lower mantle

T. Lay, D. Helmberger, 1983 .

Evidence for strong lateral seismic velocity variation in the lower crust and upper mantle beneath the California margin

R. Graves, S. Wei, D. Helmberger, 2017 .

Upper mantle shear structure beneath the northwest Atlantic Ocean

D. Helmberger, S. Grand, 1984 .

A Comparison of Synthetic Seismograms for 2D Structures: Semianalytical versus Numerical

D. Helmberger, S. Ni, V. Cormier, 2003 .

A two-dimensional P-SV hybrid method and its application to modeling localized structures near the core-mantle boundary

Donald V. Helmberger, D. Helmberger, L. Wen, 1998 .

On seismic resolution of lateral heterogeneity in the Earth's outermost core

D. Helmberger, E. Garnero, 1995 .

Approximate 3 D Body-Wave Synthetics for Tomographic Models by

D. Helmberger, S. Ni, 2005 .

Travel times of S and SKS: Implications for three‐dimensional lower mantle structure beneath the central Pacific

D. Helmberger, E. Garnero, 1993 .

Adaptive Techniques for Estimating and Locating Small Events Using Regional Waveform Data

C. Ji, D. Helmberger, B. Savage, 2000 .

A narrow, mid‐mantle plume below southern Africa

Daoyuan Sun, D. Helmberger, M. Gurnis, 2010 .

A Teleseismic Study of the 2002 Denali Fault, Alaska, Earthquake and Implications for Rapid Strong-Motion Estimation

C. Ji, D. Wald, D. Helmberger, 2004 .

Seismic evidence that the source of the Iceland hotspot lies at the core–mantle boundary

D. Helmberger, L. Wen, D. V. Helmberger, 1998, Nature.

Low Velocity Zone Atop the Transition Zone in the Western US from S Waveform Triplication

D. Helmberger, T. Song, Don V. Helmberger, 2013 .

Fine structure of the 410‐km discontinuity

D. Helmberger, T. Melbourne, 1998 .

Source Parameters of the Shallow 2012 Brawley Earthquake, Imperial Valley

D. Helmberger, R. Chu, 2013 .

Magnitude and rupture duration from high frequency teleseismic P wave with projected landweber deconvolution

Yong Chen, D. Helmberger, S. Ni, 2013, Science China Earth Sciences.

The effects of tectonic release on short-period P waves from NTS explosions

T. Lay, T. Wallace, D. Helmberger, 1984 .

Source models and yield-scaling relations for underground nuclear explosions at Amchitka Island

Thorne Lay, Donald V. Helmberger, David G. Harkrider, 1984 .

Time functions appropriate for nuclear explosions

L. J. Burdick, D. Helmberger, D. V. Helmberger, 1979, Bulletin of the Seismological Society of America.

The Discrimination Potential of Crustal Resonance Phases

D. Helmberger, L. Burdick, 1987 .

PREDICTABILITY OF STRONG GROUND MOTION IN THE IMPERIAL VALLEY: MODELING THE M4.9, NOVEMBER 4, 1976 BRAWLEY EARTHQUAKE

T. Heaton, D. Helmberger, 1978 .

Source parameters of moderate size earthquakes and the importance of receiver crustal structure in interpreting observations of local earthquakes

L. Johnson, D. Helmberger, 1977, Bulletin of the Seismological Society of America.

Time functions appropriate for some aftershocks of the point Mugu, California earthquake of February 21, 1973

D. Helmberger, D. King, 1975, Bulletin of The Seismological Society of America (BSSA).

Source characteristics of the 17 January 1994 Northridge, California, earthquake from regional broadband modeling

Donald V. Helmberger, Xi J. Song, Laura E. Jones, 1995, Bulletin of the Seismological Society of America.

Source Mechanism and Rupture Directivity of the 18 May 2009 MW 4.6 Inglewood, California, Earthquake

Z. Zhan, E. Hauksson, Yong Chen, 2010 .

Short Note Source Mechanism and Rupture Directivity of the 18 May 2009 M W 4.6 Inglewood, California, Earthquake

Z. Zhan, E. Hauksson, Yong Chen, 2010 .

Finite-difference seismograms for SH waves

R. Clayton, D. Helmberger, J. Vidale, 1985 .

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

C. K. Saikia, R. Graves, P. Somerville, 1998, Bulletin of the Seismological Society of America.

Seismic source functions and attenuation from local and teleseismic observations of the NTS Events Jorum and Handley. Quarterly technical report, 22 November 1978-31 January 1979

Hadley, D. Helmberger, D. Hadley, 1981 .

The 2011 Magnitude 9.0 Tohoku-Oki Earthquake: Mosaicking the Megathrust from Seconds to Centuries

S. Owen, A. Moore, F. Webb, 2011, Science.

A re-examination of historic earthquakes in the San Jacinto fault zone, California

D. Helmberger, A. Bent, 1991, Bulletin of the Seismological Society of America.

ADVANCED WAVEFORM SIMULATION FOR SEISMIC MONITORING

J. Tromp, A. Rodgers, S. Wei, 2008 .

Deterministic Modeling of Regional Waveforms from the Nevada Test Site

C. K. Saikia, D. Helmberger, L. Burdick, 1989 .

TIME FUNCTIONS APPROPRIATE FOR NUCLEAR EXPLOSIONS BY L. J. BURDICK AND D. V. HELMBERGER

D. Helmberger, L. Burdick, 2005 .

Seismic Source Descriptions of Underground Explosions and a Depth Discriminate

Donald V. Helmberger, David G. Harkrider, D. Helmberger, 1972 .

Inaugural Article: Deep mantle structure and the postperovskite phase transition

D. Helmberger, 2005 .

Crustal complexity from regional waveform tomography: Aftershocks of the 1992 Landers earthquake, California

D. Helmberger, Lupei Zhu, X. Song, 2001 .

Site Response from Incident Pnl Waves

Brian Savage, Donald V. Helmberger, D. Helmberger, 2004 .

Initiation of the great Mw 9.0 Tohoku–Oki earthquake

Zhongwen Zhan, Hiroo Kanamori, Donald V. Helmberger, 2011 .

Regional Location and Identification Using Sparse Stations

D. Helmberger, B. Savage, Lupei Zhu, 2001 .

Rupture process of the June 28, 1992 Big Bear Earthquake

S. Hough, D. Helmberger, L. Jones, 1993 .

Strong-Motion and Broadband Teleseismic Analysis of the Earthquake for Rupture Process and Hazards Assessment

D. Wald, T. Heaton, D. Helmberger, 1996 .