World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
39
Citations
10013
World Ranking
5993
National Ranking
2156

Robert W. Simpson 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 Robert W. Simpson sits on this spectrum.

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 publications 603+

This scientist: 130 publications — 28th percentile

28% of scientists in this discipline score the same or lower.

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

Robert W. Simpson 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 Robert W. Simpson sits on this spectrum.

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: 39 D-Index — 35th percentile

35% of scientists in this discipline score the same or lower.

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

Overview

Robert W. Simpson is affiliated with the United States Geological Survey in the United States. Their research spans several interconnected fields primarily focused on medicine, health professions, and psychology. Within these domains, they have contributed notably to subfields including clinical psychology, general health professions, neurology, psychiatry and mental health, and emergency medicine.

The main research topics covered by Robert W. Simpson include:

  • Long-Term Effects of COVID-19
  • COVID-19 and Mental Health
  • Mindfulness and Compassion Interventions
  • Intensive Care Unit Cognitive Disorders
  • Multiple Sclerosis Research Studies
  • Family and Disability Support Research
  • Family and Patient Care in Intensive Care Units

Some of the recent papers authored or co-authored by Simpson are:

  • "Rehabilitation After Critical Illness in People With COVID-19 Infection," 2020, published in American Journal of Physical Medicine & Rehabilitation
  • "Mindfulness-based interventions for people with multiple sclerosis: a systematic review and meta-aggregation of qualitative research studies," 2021, published in Disability and Rehabilitation
  • "A systematic review and meta-analysis exploring the efficacy of mindfulness-based interventions on quality of life in people with multiple sclerosis," 2022, published in Journal of Neurology

Frequent co-authors of Robert W. Simpson include:

  • Lawrence R. Robinson
  • Marina B. Wasilewski
  • Sander L. Hitzig
  • Mark Bayley
  • Amanda L. Mayo

Simpson has published repeatedly in the following venues:

  • Disability and Rehabilitation
  • International Journal of Integrated Care
  • Journal of Neurology
  • American Journal of Physical Medicine & Rehabilitation
  • Archives of Physical Medicine and Rehabilitation

The scope of Robert W. Simpson's work covers clinical and practical aspects of rehabilitation, particularly concerning critical illness and neurological conditions such as multiple sclerosis. The research includes systematic reviews and meta-analyses focused on the efficacy of mindfulness-based interventions in improving quality of life.

Overall, Robert W. Simpson's research contributions intersect medicine, psychology, and health professions, focusing on rehabilitation, cognitive disorders, and mental health impacts related to COVID-19 and other neurological disorders.

Best Publications

  • Approximating edges of source bodies from magnetic or gravity anomalies

    Richard J. Blakely;Robert W. Simpson

  • Seismicity Remotely Triggered by the Magnitude 7.3 Landers, California, Earthquake

    D. P. Hill;P.A. Reasenberg;A. Michael;W.J. Arabaz

  • Response of Regional Seismicity to the Static Stress Change Produced by the Loma Prieta Earthquake

    Paul A. Reasenberg;Robert W. Simpson

  • Implications for prediction and hazard assessment from the 2004 Parkfield earthquake

    W. H. Bakun;B. Aagaard;B. Dost;W. L. Ellsworth

  • A new isostatic residual gravity map of the conterminous United States with a discussion on the significance of isostatic residual anomalies

    R. W. Simpson;R. C. Jachens;R. J. Blakely;R. W. Saltus

  • Changes in static stress on southern California faults after the 1992 Landers earthquake

    Ruth A. Harris;Robert W. Simpson

  • Suppression of large earthquakes by stress shadows: A comparison of Coulomb and rate-and-state failure

    Ruth A. Harris;Robert W. Simpson

  • Stress sensitivity of fault seismicity: A comparison between limited‐offset oblique and major strike‐slip faults

    Tom Parsons;Ross S. Stein;Robert W. Simpson;Paul A. Reasenberg

  • Fault plane solutions for the 1984 Morgan Hill, California, Earthquake Sequence: Evidence for the state of stress on the Calaveras Fault

    David H. Oppenheimer;Paul A. Reasenberg;Robert W. Simpson

  • A physically-based earthquake recurrence model for estimation of long-term earthquake probabilities

    William L. Ellsworth;Mark V. Matthews;Robert M. Nadeau;Stuart P. Nishenko

  • Quantifying Anderson's fault types

    Robert W. Simpson

  • In the shadow of 1857‐the effect of the Great Ft. Tejon Earthquake on subsequent earthquakes in southern California

    Ruth A. Harris;Robert W. Simpson

  • Influence of static stress changes on earthquake locations in southern California

    R. A. Harris;R. W. Simpson;P. A. Reasenberg

  • Pore fluid pressure, apparent friction, and Coulomb failure

    N. M. Beeler;R. W. Simpson;S. H. Hickman;D. A. Lockner

  • Paleomagnetic evidence for tectonic rotation of the Oregon Coast Range

    Robert W. Simpson;Allan Cox

  • The Cape Mendocino, California, Earthquakes of April 1992: Subduction at the Triple Junction

    D. Oppenheimer;J. Eaton;A. Jayko;M. Lisowski

  • Surface strain accumulation and the seismic moment tensor

    James C. Savage;Robert W. Simpson

  • Northward migration of the Cascadia forearc in the northwestern U.S. and implications for subduction deformation

    Ray E. Wells;Robert W. Simpson

  • Ground-motion modeling of Hayward fault scenario earthquakes, part II: Simulation of long-period and broadband ground motions

    Brad T. Aagaard;Robert W. Graves;Arthur Rodgers;Thomas M. Brocher

  • Anatomy of a metamorphic core complex: Seismic refraction/wide‐angle reflection profiling in southeastern California and western Arizona

    Jill McCarthy;Steven P. Larkin;Gary S. Fuis;Robert W. Simpson

Frequent Co-Authors

Richard J. Blakely
Richard J. Blakely United States Geological Survey
James C. Savage
James C. Savage United States Geological Survey
Keith A. Howard
Keith A. Howard United States Geological Survey
Tom Parsons
Tom Parsons United States Geological Survey
Ross S. Stein
Ross S. Stein United States Geological Survey
Ray E. Wells
Ray E. Wells United States Geological Survey
John Langbein
John Langbein United States Geological Survey
M. J. S. Johnston
M. J. S. Johnston United States Geological Survey
John Boatwright
John Boatwright United States Geological Survey
William L. Ellsworth
William L. Ellsworth Stanford University

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

Studying Earth Science opens doors to a variety of interdisciplinary fields and career paths. For those interested in expanding their skill set, exploring related areas such as language or management can be beneficial. For instance, pursuing short Spanish degrees offers a fast track to bilingual proficiency—a valuable asset in global environmental research and communication.

Veterans looking to transition into Earth Science or related sectors may find tailored options suitable to their experience, such as the best online Spanish degree programs for veterans. These programs often provide flexibility and support to make continued education more accessible.

Those aiming to integrate creativity or leadership skills with their scientific expertise might consider degrees like a master of fine arts online or a human resource management masters degree online. These degrees enhance critical thinking and management capabilities, valuable for multidisciplinary projects and career advancement within the Earth Science field.

Ultimately, combining specialized Earth Science knowledge with complementary studies can improve career flexibility and job market appeal. Exploring various online degrees allows students to tailor their education to their unique goals and industry demands.

Best Scientists Citing Robert W. Simpson

Recently Published Articles