World's Best Scientists 2026 revealed!
Toru Matsuzawa

Toru Matsuzawa

D-Index & Metrics

Earth Science

D-Index
46
Citations
6482
World Ranking
4316
National Ranking
100

Toru Matsuzawa 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 Toru Matsuzawa sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 236 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Toru Matsuzawa 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 Toru Matsuzawa sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 46 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

Overview

Toru Matsuzawa is affiliated with Tohoku University in Japan, focusing research primarily within Earth and Planetary Sciences. Their work spans a range of subfields with a strong emphasis on geophysics, alongside interdisciplinary contributions to artificial intelligence, emergency medical services, general health professions, and public health, environmental and occupational health.

The research topics covered by Matsuzawa include earthquake and tectonic studies, high-pressure geophysics and materials, geological and geochemical analysis, earthquake detection and analysis, seismology and earthquake studies, seismic waves and analysis, and disaster response and management.

Recent scholarly articles authored or coauthored by Matsuzawa demonstrate a focus on seismological processes and earthquake behavior in Japan. These works include:

  • Upward Earthquake Swarm Migration in the Northeastern Noto Peninsula, Japan, Initiated From a Deep Ring-Shaped Cluster: Possibility of Fluid Leakage From a Hidden Magma System (2023), Journal of Geophysical Research Solid Earth
  • Focal mechanisms and the stress field in the aftershock area of the 2018 Hokkaido Eastern Iburi earthquake (MJMA = 6.7) (2021), Earth Planets and Space
  • Stress Release Process Along an Intraplate Fault Analogous to the Plate Boundary: A Case Study of the 2017 M 5.2 Akita-Daisen Earthquake, NE Japan (2020), Journal of Geophysical Research Solid Earth
  • Influence of crustal lithology and the thermal state on microseismicity in the Wakayama region, southern Honshu, Japan (2021), Earth Planets and Space
  • The 2021 Mw7.0 and Mw6.7 Miyagi-Oki Earthquakes Nucleated in a Deep Seismic/Aseismic Transition Zone: Possible Effects of Transient Instability Due To the 2011 Tohoku Earthquake (2022), Journal of Geophysical Research Solid Earth

The frequent coauthors collaborating with Matsuzawa include Keisuke Yoshida, Tomomi Okada, Shin'ichi Sakai, Naoki Uchida, and Satoshi Hirahara, reflecting ongoing partnerships in related research areas.

Matsuzawa's work is published predominantly in scientific journals renowned for geophysical and earth sciences research. Their most frequent publication venues are:

  • Earth Planets and Space
  • Journal of Geophysical Research Solid Earth
  • Scientific Reports
  • Zenodo (CERN European Organization for Nuclear Research)
  • Journal of Disaster Research

Best Publications

  • Three‐dimensional structure of Vp, Vs, and Vp/Vs beneath northeastern Japan: Implications for arc magmatism and fluids

    Junichi Nakajima;Toru Matsuzawa;Akira Hasegawa;Dapeng Zhao

  • Repeating earthquakes and interplate aseismic slip in the northeastern Japan subduction zone

    Toshihiro Igarashi;Toshihiro Igarashi;Toru Matsuzawa;Akira Hasegawa

  • Spatial distribution of focal mechanisms for interplate and intraplate earthquakes associated with the subducting Pacific plate beneath the northeastern Japan arc: A triple‐planed deep seismic zone

    Toshihiro Igarashi;Toru Matsuzawa;Norihito Umino;Akira Hasegawa

  • Upper mantle velocity structure estimated from PS- converted wave beneath the north-eastern Japan Arc

    Toru Matsuzawa;Norihito Umino;Akira Hasegawa;Akio Takagi

  • Anomalous deepening of a seismic belt in the upper-plane of the double seismic zone in the Pacific slab beneath the Hokkaido corner: Possible evidence for thermal shielding caused by subducted forearc crust materials

    Saeko Kita;Tomomi Okada;Akira Hasegawa;Junichi Nakajima

  • Characteristic small-earthquake sequence off Sanriku, northeastern Honshu, Japan

    Toru Matsuzawa;Toshihiro Igarashi;Toshihiro Igarashi;Akira Hasegawa

  • Interplate quasi-static slip off Sanriku, NE Japan, estimated from repeating earthquakes

    Naoki Uchida;Toru Matsuzawa;Akira Hasegawa;Toshihiro Igarashi

  • Pre- and postseismic slow slip surrounding the 2011 Tohoku-oki earthquake rupture

    Naoki Uchida;Toru Matsuzawa

  • Existence of a seismic belt in the upper plane of the double seismic zone extending in the along-arc direction at depths of 70–100 km beneath NE Japan

    Saeko Kita;Tomomi Okada;Junichi Nakajima;Toru Matsuzawa

  • What controls interplate coupling?: Evidence for abrupt change in coupling across a border between two overlying plates in the NE Japan subduction zone

    Naoki Uchida;Junichi Nakajima;Akira Hasegawa;Toru Matsuzawa

  • Plate subduction, and generation of earthquakes and magmas in Japan as inferred from seismic observations: An overview

    Akira Hasegawa;Junichi Nakajima;Naoki Uchida;Tomomi Okada

  • MORPHOLOGY OF THE SUBDUCTING SLAB BOUNDARY IN THE NORTHEASTERN JAPAN ARC

    Dapeng Zhao;Toru Matsuzawa;Akira Hasegawa

  • Coupling coefficient, hierarchical structure, and earthquake cycle for the source area of the 2011 off the Pacific coast of Tohoku earthquake inferred from small repeating earthquake data

    Naoki Uchida;Toru Matsuzawa

  • sP depth phase at small epicentral distances and estimated subducting plate boundary

    Norihito Umino;Akira Hasegawa;Toru Matsuzawa

  • Seismic imaging of arc magma and fluids under the central part of northeastern Japan

    Junichi Nakajima;Toru Matsuzawa;Akira Hasegawa;Dapeng Zhao

  • Seismic attenuation beneath northeastern Japan: Constraints on mantle dynamics and arc magmatism

    Junichi Nakajima;Shuhei Hada;Erika Hayami;Erika Hayami;Naoki Uchida

  • Repeating earthquakes and quasi-static slip on the plate boundary east off northern Honshu, Japan

    Toru Matsuzawa;Naoki Uchida;Toshihiro Igarashi;Tomomi Okada

  • Source parameters of a M4.8 and its accompanying repeating earthquakes off Kamaishi, NE Japan: Implications for the hierarchical structure of asperities and earthquake cycle

    Naoki Uchida;Toru Matsuzawa;William L. Ellsworth;Kazutoshi Imanishi

  • Subducting plate boundary beneath the northeastern Japan arc estimated from SP converted waves

    Toru Matsuzawa;Toshio Kono;Akira Hasegawa;Akio Takagi

  • Tomographic imaging of hydrated crust and mantle in the subducting Pacific slab beneath Hokkaido, Japan: Evidence for dehydration embrittlement as a cause of intraslab earthquakes

    Junichi Nakajima;Yusuke Tsuji;Akira Hasegawa;Saeko Kita

  • Pre- and post-seismic slow slip on the plate boundary off Sanriku, NE Japan associated with three interplate earthquakes as estimated from small repeating earthquake data

    Naoki Uchida;Akira Hasegawa;Toru Matsuzawa;Toshihiro Igarashi

Frequent Co-Authors

Naoki Uchida
Naoki Uchida Tohoku University
Akira Hasegawa
Akira Hasegawa Tohoku University
Tomomi Okada
Tomomi Okada Tohoku University
Junichi Nakajima
Junichi Nakajima Tokyo Institute of Technology
Norihito Umino
Norihito Umino Tohoku University
Ryota Hino
Ryota Hino Tohoku University
Yoshiyuki Kaneda
Yoshiyuki Kaneda Nagoya University
Dapeng Zhao
Dapeng Zhao Tohoku University
Kazushige Obara
Kazushige Obara University of Tokyo
Naoshi Hirata
Naoshi Hirata University of Tokyo

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