World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 40 5855 5419 2130 1891 196 5781

Keith D. Koper publications per year

The chart shows the history of publications by Keith D. Koper between 1998 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Keith D. Koper published across 29 years, from 1998 to 2026, averaging 7.2 papers a year. Output peaked at 15 publications in 2014. 6 of the 208 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1998 to 2026. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2014. 1998: 2 publications 1999: 3 publications 2000: 1 publication 2001: 6 publications 2002: 6 publications 2003: 5 publications 2004: 5 publications 2005: 3 publications 2006: 4 publications 2007: 7 publications 2008: 8 publications 2009: 10 publications 2010: 9 publications 2011: 6 publications 2012: 6 publications 2013: 11 publications 2014: 15 publications 2015: 11 publications 2016: 10 publications 2017: 12 publications 2018: 12 publications 2019: 12 publications 2020: 12 publications 2021: 11 publications 2022: 5 publications 2023: 6 publications 2024: 4 publications 2025: 5 publications 2026: 1 publication
1998 2026

208 publications in total across all disciplines

View publications per year as a table
Keith D. Koper: publications per year, 1998 to 2026
Year Publications
1998 2
1999 3
2000 1
2001 6
2002 6
2003 5
2004 5
2005 3
2006 4
2007 7
2008 8
2009 10
2010 9
2011 6
2012 6
2013 11
2014 15
2015 11
2016 10
2017 12
2018 12
2019 12
2020 12
2021 11
2022 5
2023 6
2024 4
2025 5
2026 1
Total 208
Download as CSV

Keith D. Koper publications per year - data summary

  • Keith D. Koper, a Earth Science scholar from University of Utah, has 208 publications recorded across 29 years, from 1998 to 2026.
  • The oldest publication on record dates to 1998 and the most recent to 2026.
  • The most productive year is 2014, with 15 publications.
  • The least productive years with any output are 2000 and 2026, with 1 publication each.
  • The rate of publication averages 7.2 papers per year over the whole span, or 7.2 per year counting only the 29 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 21 publications, 10% of the career total.
  • Split into equal eras - 1998-2007: 42 publications (4.2 per year); 2008-2017: 98 publications (9.8 per year); 2018-2026: 68 publications (7.6 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Keith D. Koper 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 Keith D. Koper 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, 188–197 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: 196 publications — 61st percentile

61% 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
188–197 401 196
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
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
Download as CSV

Keith D. Koper publication distribution in Earth Science in 2026 - data summary

  • The chart plots the publication count of all 9,176 Earth Science scientists ranked by Research.com in 2026, grouped into 58 ranges running from 38–47 to 603+ publications.
  • Keith D. Koper, a Earth Science scholar from University of Utah, records 196 publications - the 61st percentile of the discipline.
  • 61% of ranked Earth Science scientists score the same or lower than Keith D. Koper, and about 39% score higher.
  • The median of the discipline falls in the 168–177 publications range, and Keith D. Koper ranks above the median.
  • The most crowded range is 128–137 publications, holding 557 scientists (6% of the field).
  • 58% of the field sits in the lowest quarter of the value range (up to 178–187 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 603 publications or more, 100 scientists in all (1% of the field).

Keith D. Koper 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 Keith D. Koper 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, 40 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: 40 D-Index — 38th percentile

38% 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
39 349
40 296 40
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
Download as CSV

Keith D. Koper D-index placement in Earth Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 9,176 Earth Science scientists ranked by Research.com in 2026, grouped into 77 ranges running from 30 to 106+ D-Index.
  • Keith D. Koper, a Earth Science scholar from University of Utah, records 40 D-Index - the 38th percentile of the discipline.
  • 38% of ranked Earth Science scientists score the same or lower than Keith D. Koper, and about 62% score higher.
  • The median of the discipline falls in the 44 D-Index range, and Keith D. Koper ranks below the median.
  • The most crowded range is 36 D-Index, holding 389 scientists (4% of the field).
  • 62% of the field sits in the lowest quarter of the value range (up to 49 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 106 D-Index or more, 98 scientists in all (1% of the field).

Overview

Keith D. Koper is affiliated with the University of Utah in the United States. Their research primarily spans the field of Earth and Planetary Sciences, with a strong focus on Geophysics and related subfields including Artificial Intelligence and Ocean Engineering. Their work also touches on areas such as General Health Professions and Civil and Structural Engineering.

The scientist's main research topics include:

  • Earthquake and tectonic studies
  • Seismic Waves and Analysis
  • Seismology and Earthquake Studies
  • High-pressure geophysics and materials
  • Geological and Geochemical Analysis
  • Seismic Imaging and Inversion Techniques
  • Earthquake Detection and Analysis

Keith D. Koper has published extensively, with notable recent papers including:

  • "Combining Deep Learning with Physics Based Features in Explosion-Earthquake Discrimination," 2022, published in arXiv (Cornell University)
  • "How Processing Methodologies Can Distort and Bias Power Spectral Density Estimates of Seismic Background Noise," 2020, published in Seismological Research Letters
  • "Seismic Analysis of the 2020 Magna, Utah, Earthquake Sequence: Evidence for a Listric Wasatch Fault," 2020, published in Geophysical Research Letters
  • "Deep Learning Denoising Applied to Regional Distance Seismic Data in Utah," 2021, published in Bulletin of the Seismological Society of America
  • "Application of a convolutional neural network for seismic phase picking of mining-induced seismicity," 2020, published in Geophysical Journal International

Frequent coauthors in their research collaborations include:

  • Relu Burlacu
  • Guanning Pang
  • Ben Baker
  • Alysha D. Armstrong
  • Ruijia Wang

Keith D. Koper's work has appeared in a variety of publication venues, with multiple articles featured in:

  • Seismological Research Letters
  • Bulletin of the Seismological Society of America
  • Geophysical Research Letters
  • Geophysical Journal International
  • Nature

Best Publications

  • Depth‐varying rupture properties of subduction zone megathrust faults

    Thorne Lay;Hiroo Kanamori;Charles J. Ammon;Keith D. Koper

  • Teleseismic inversion for rupture process of the 27 February 2010 Chile (Mw 8.8) earthquake

    T. Lay;C. J. Ammon;H. Kanamori;K. D. Koper

  • En échelon and orthogonal fault ruptures of the 11 April 2012 great intraplate earthquakes

    Han Yue;Thorne Lay;Keith D. Koper

  • The 2009 Samoa–Tonga great earthquake triggered doublet

    Thorne Lay;Charles J. Ammon;Hiroo Kanamori;Luis Rivera

  • Frequency-dependent rupture process of the 2011 Mw 9.0 Tohoku Earthquake: Comparison of short-period P wave backprojection images and broadband seismic rupture models

    Keith D. Koper;Alexander R. Hutko;Thorne Lay;Charles J. Ammon

  • Rupture imaging of the Mw 7.9 12 May 2008 Wenchuan earthquake from back projection of teleseismic P waves

    Yan Xu;Keith D. Koper;Oner Sufri;Lupei Zhu

  • Energy Release of the 2013 Mw 8.3 Sea of Okhotsk Earthquake and Deep Slab Stress Heterogeneity

    Lingling Ye;Thorne Lay;Hiroo Kanamori;Keith D. Koper

  • The October 28, 2012 Mw 7.8 Haida Gwaii underthrusting earthquake and tsunami: Slip partitioning along the Queen Charlotte Fault transpressional plate boundary

    Thorne Lay;Lingling Ye;Hiroo Kanamori;Yoshiki Yamazaki

  • On the Composition of Earth's Short-Period Seismic Noise Field

    Keith D. Koper;Kevin Seats;Harley Benz

  • Imaging short‐period seismic radiation from the 27 February 2010 Chile (MW 8.8) earthquake by back‐projection of P, PP, and PKIKP waves

    Keith D. Koper;Alexander R. Hutko;Thorne Lay;Oner Sufri

  • Multimodal function optimization with a niching genetic algorithm: A seismological example

    Keith D. Koper;Michael E. Wysession;Douglas A. Wiens

  • The fine structure of double‐frequency microseisms recorded by seismometers in North America

    Keith D. Koper;Relu Burlacu

  • Supershear rupture of the 5 January 2013 Craig, Alaska (Mw 7.5) earthquake

    Han Yue;Thorne Lay;Jeffrey T. Freymueller;Kaihua Ding

  • Massive landslide at Utah copper mine generates wealth of geophysical data

    Kristine L. Pankow;Jeffrey R. Moore;J. Mark Hale;Keith D. Koper

  • Rapidly Estimated Seismic Source Parameters for the 16 September 2015 Illapel, Chile M w 8.3 Earthquake

    Lingling Ye;Thorne Lay;Hiroo Kanamori;Keith D. Koper

  • Composition and variation of noise recorded at the Yellowknife Seismic Array, 1991–2007

    Keith D. Koper;Benjamin de Foy;Harley Benz

  • Observations of PKiKP/PcP amplitude ratios and implications for Earth structure at the boundaries of the liquid core

    Keith D. Koper;Moira L. Pyle

  • Seasonal Anisotropy in Short-Period Seismic Noise Recorded in South Asia

    Keith D. Koper;Benjamin de Foy

  • Combining Deep Learning With Physics Based Features in Explosion‐Earthquake Discrimination

    Unknown

  • Evidence for small-scale heterogeneity in Earth's inner core from a global study of PKiKP coda waves

    Keith D. Koper;Jill M. Franks;Marina Dombrovskaya

  • Frequency dependent polarization analysis of ambient seismic noise recorded at a broadband seismometer in the central United States

    Keith D. Koper;Veronica L. Hawley

  • Seismic properties of the inner core boundary from PKiKP / P amplitude ratios

    Keith D. Koper;Marina Dombrovskaya

Frequent Co-Authors

Thorne Lay
Thorne Lay University of California, Santa Cruz
Anya M. Reading
Anya M. Reading University of Tasmania
Hiroo Kanamori
Hiroo Kanamori California Institute of Technology
Charles J. Ammon
Charles J. Ammon Pennsylvania State University
Terry C. Wallace
Terry C. Wallace Los Alamos National Laboratory
Hrvoje Tkalčić
Hrvoje Tkalčić Australian National University
Robert B. Herrmann
Robert B. Herrmann Saint Louis University
Harley M. Benz
Harley M. Benz United States Geological Survey
Fan Chi Lin
Fan Chi Lin University of Utah
Mark Hemer
Mark Hemer CSIRO Marine and Atmospheric Research

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students interested in Earth Science, exploring related online degrees can broaden career opportunities. For example, a degree in library science offers valuable skills in data management and research, raising the question: is a masters in library science worth it for scientific professionals seeking organizational expertise.

Visual documentation plays an important role in fieldwork and presentations. Pursuing an online photography degree can enhance technical skills for capturing environmental data. Veterans interested in this path can find tailored options by exploring the best online photography degree programs for veterans.

Language skills are also valuable in Earth Science careers, especially for global collaboration. A spanish degree online offers affordable and efficient pathways to proficiency, opening doors to work in diverse geographical regions.

Considering these related degrees can complement Earth Science studies and provide a broader professional toolkit for future career success.

Best Scientists Citing Keith D. Koper

Trending Scientists

Recently Published Articles