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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 38 6502 6023 2304 2042 262 5429

William R. Walter publications per year

The chart shows the history of publications by William R. Walter between 1956 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. William R. Walter published across 70 years, from 1956 to 2025, averaging 4.5 papers a year. Output peaked at 20 publications in 2009. 13 of the 312 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1956 to 2025. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2009. 1956: 1 publication 1957: 1 publication 1958: 0 publications 1959: 0 publications 1960: 0 publications 1961: 0 publications 1962: 1 publication 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 1 publication 1969: 0 publications 1970: 0 publications 1971: 1 publication 1972: 1 publication 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 1 publication 1986: 0 publications 1987: 1 publication 1988: 2 publications 1989: 2 publications 1990: 3 publications 1991: 0 publications 1992: 1 publication 1993: 3 publications 1994: 2 publications 1995: 6 publications 1996: 5 publications 1997: 7 publications 1998: 3 publications 1999: 9 publications 2000: 8 publications 2001: 9 publications 2002: 14 publications 2003: 13 publications 2004: 7 publications 2005: 10 publications 2006: 5 publications 2007: 12 publications 2008: 15 publications 2009: 20 publications 2010: 11 publications 2011: 9 publications 2012: 18 publications 2013: 11 publications 2014: 8 publications 2015: 9 publications 2016: 11 publications 2017: 13 publications 2018: 11 publications 2019: 9 publications 2020: 8 publications 2021: 7 publications 2022: 5 publications 2023: 4 publications 2024: 5 publications 2025: 8 publications
1956 2025

312 publications in total across all disciplines

View publications per year as a table
William R. Walter: publications per year, 1956 to 2025
Year Publications
1956 1
1957 1
1958 0
1959 0
1960 0
1961 0
1962 1
1963 0
1964 0
1965 0
1966 0
1967 0
1968 1
1969 0
1970 0
1971 1
1972 1
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 1
1985 1
1986 0
1987 1
1988 2
1989 2
1990 3
1991 0
1992 1
1993 3
1994 2
1995 6
1996 5
1997 7
1998 3
1999 9
2000 8
2001 9
2002 14
2003 13
2004 7
2005 10
2006 5
2007 12
2008 15
2009 20
2010 11
2011 9
2012 18
2013 11
2014 8
2015 9
2016 11
2017 13
2018 11
2019 9
2020 8
2021 7
2022 5
2023 4
2024 5
2025 8
Total 312
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William R. Walter publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where William R. Walter sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 258–267 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 262 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185 262
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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William R. Walter D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where William R. Walter sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 38 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 38 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372
36 389
37 366
38 344 38
39 349
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Overview

William R. Walter is affiliated with Lawrence Livermore National Laboratory in the United States. Their research spans Earth and Planetary Sciences with a significant emphasis on Geophysics, supported by a considerable body of work in Computer Science and Artificial Intelligence. Their interdisciplinary approach connects deep learning methods with traditional geophysical analysis techniques.

The scientist's published work focuses notably on seismology and earthquake studies. Key topics in their research include earthquake and tectonic studies, seismic waves and analysis, earthquake detection and analysis, high-pressure geophysics and materials, geophysics and sensor technology, and seismic performance and analysis.

William R. Walter has contributed to various scientific publications, including:

  • Combining Deep Learning with Physics Based Features in Explosion-Earthquake Discrimination, 2022, arXiv (Cornell University)
  • New Opportunities to Study Earthquake Precursors, 2020, Seismological Research Letters
  • A Big Problem for Small Earthquakes: Benchmarking Routine Magnitudes and Conversion Relationships with Coda Envelope-Derived Mw in Southern Kansas and Northern Oklahoma, 2021, Bulletin of the Seismological Society of America
  • Source scaling comparison and validation in Central Italy: data intensive direct Swaves versus the sparse data coda envelope methodology, 2022, Geophysical Journal International
  • Toward Robust and Routine Determination of Mw for Small Earthquakes: Application to the 2020 Mw 5.7 Magna, Utah, Seismic Sequence, 2021, Seismological Research Letters

Their frequent coauthors include:

  • Kevin Mayeda
  • Qingkai Kong
  • Ruijia Wang
  • M. L. Pyle
  • Brandon Schmandt

William R. Walter's work has been published primarily in:

  • Seismological Research Letters
  • Bulletin of the Seismological Society of America
  • arXiv (Cornell University)
  • Abstracts with programs - Geological Society of America
  • Geophysical Journal International

The combination of seismological expertise with contemporary computational methods underscores their contribution to the development of more advanced earthquake detection and analysis techniques. The research integrates high-pressure geophysics with sensor technology, supporting advancements in seismic wave interpretation and earthquake precursor studies.

Best Publications

  • Moment, energy, stress drop, and source spectra of western United States earthquakes from regional coda envelopes

    Unknown

  • Upper mantle velocity structure beneath the Tibetan Plateau from Pn travel time tomography

    D. E. McNamara;D. E. McNamara;D. E. McNamara;W. R. Walter;T. J. Owens;C. J. Ammon

  • Observations of regional phase propagation across the Tibetan Plateau

    Daniel E. McNamara;Thomas J. Owens;William R. Walter

  • Phase and spectral ratio discrimination between NTS earthquakes and explosions. Part I: Empirical observations

    Unknown

  • A new spectral ratio method using narrow band coda envelopes: Evidence for non-self-similarity in the Hector Mine sequence

    Kevin Mayeda;Luca Malagnini;William R. Walter

  • Identifying isotropic events using a regional moment tensor inversion

    Sean R. Ford;Sean R. Ford;Douglas S. Dreger;William R. Walter

  • Propagation characteristics of Lg across the Tibetan Plateau

    D. E. McNamara;T. J. Owens;W. R. Walter

  • Lithospheric structure of the Arabian Shield and Platform from complete regional waveform modelling and surface wave group velocities

    Unknown

  • New signatures of underground nuclear tests revealed by satellite radar interferometry

    Paul Vincent;Shawn Larsen;Devin Galloway;Randell J. Laczniak

  • A multistep approach for joint modeling of surface wave dispersion and teleseismic receiver functions: Implications for lithospheric structure of the Arabian Peninsula

    Hrvoje Tkalcic;Michael E. Pasyanos;Arthur J Rodgers;R GoK

  • Chemical Explosion Experiments to Improve Nuclear Test Monitoring

    Catherine M. Snelson;Robert E. Abbott;Scott T. Broome;Robert J. Mellors

  • A Revised Magnitude and Distance Amplitude Correction (MDAC2) Procedure for Regional Seismic Discriminants: Theory and Testing at NTS

    Unknown

  • Broad-band Lg attenuation modelling in the Middle East

    Michael E. Pasyanos;Eric M. Matzel;William R. Walter;Arthur J. Rodgers

  • Source analysis of the Memorial Day explosion, Kimchaek, North Korea

    Sean R. Ford;Douglas S. Dreger;William R. Walter

  • Evidence for non‐constant energy/moment scaling from coda‐derived source spectra

    Unknown

  • A surface wave dispersion study of the Middle East and North Africa for monitoring the comprehensive nuclear-test-ban treaty

    Michael E. Pasyanos;William R. Walter;Shannon E. Hazler

  • Network Sensitivity Solutions for Regional Moment-Tensor Inversions

    Sean R. Ford;Douglas S. Dreger;William R. Walter

  • Crust and upper‐mantle structure of North Africa, Europe and the Middle East from inversion of surface waves

    Michael E. Pasyanos;William R. Walter

  • Spectra of seismic radiation from a tensile crack

    William R. Walter;James N. Brune

  • Source parameters of the June 29, 1992 Little Skull Mountain Earthquake from complete regional waveforms at a single station

    Unknown

  • Building and Testing an a priori Geophysical Model for Western Eurasia and North Africa

    Michael E. Pasyanos;William R. Walter;Megan P. Flanagan;Peter Goldstein

  • Large-scale seismic signal analysis with Hadoop

    T.G. Addair;D.A. Dodge;W.R. Walter;S.D. Ruppert

  • A Simultaneous Multiphase Approach to Determine P-Wave and S-Wave Attenuation of the Crust and Upper Mantle

    Michael E. Pasyanos;William R. Walter;Eric M. Matzel

  • Regional Attenuation in Northern California: A Comparison of Five 1D Q Methods

    Sean R. Ford;Douglas S. Dreger;Kevin Mayeda;William R. Walter

  • A comparison of methodologies for representing path effects on regional P/S discriminants

    Arthur J. Rodgers;William R. Walter;Craig A. Schultz;Stephen C. Myers

  • EMPIRICAL OBSERVATIONS OF EARTHQUAKE-EXPLOSION DISCRIMINATION USING P/S RATIOS AND IMPLICATIONS FOR THE SOURCES OF EXPLOSION S-WAVES

    William R. Walter;Eric Matzel;Michael E. Pasyanos;David B. Harris

Frequent Co-Authors

Michael E. Pasyanos
Michael E. Pasyanos Lawrence Livermore National Laboratory
Douglas S. Dreger
Douglas S. Dreger University of California, Berkeley
Andrew A. Nyblade
Andrew A. Nyblade Pennsylvania State University
Jordi Julià
Jordi Julià Federal University of Rio Grande do Norte
Luca Malagnini
Luca Malagnini National Institute of Geophysics and Volcanology
Thorne Lay
Thorne Lay University of California, Santa Cruz
Paul H.G.M. Dirks
Paul H.G.M. Dirks James Cook University
Cynthia J. Ebinger
Cynthia J. Ebinger Tulane University
Laura M. Wallace
Laura M. Wallace The University of Texas at Austin
Robert B. Herrmann
Robert B. Herrmann Saint Louis University

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