World's Best Scientists 2026 revealed!
Ikuo Towhata

Ikuo Towhata

D-Index & Metrics

Engineering and Technology

D-Index
47
Citations
9642
World Ranking
4809
National Ranking
77

Earth Science

D-Index
47
Citations
9682
World Ranking
3955
National Ranking
88

Ikuo Towhata 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 Ikuo Towhata 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: 556 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: 266 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.

Ikuo Towhata 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 Ikuo Towhata 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: 181 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: 47 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

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

Overview

Ikuo Towhata is affiliated with the University of Tokyo in Japan and has contributed extensively to research in engineering, environmental science, and earth and planetary sciences. Their work spans several subfields including civil and structural engineering, management, monitoring, policy and law, mechanical engineering, atmospheric science, and geophysics.

The main areas of research covered by Towhata include landslides and related hazards, tree root and stability studies, cryospheric studies and observations, geotechnical engineering and soil stabilization, earthquake and tectonic studies, geotechnical engineering and underground structures, as well as dam engineering and safety.

The recent papers authored or co-authored by Towhata demonstrate a focus on natural hazard assessment and geotechnical responses. Notable publications include:

  • Mechanism and future risk of slope instability induced by extreme rainfall event in Izu Oshima Island, Japan (2020, Natural Hazards)
  • Summary of geotechnical activities in response to the 2011 Tohoku earthquake; follow-up of my TC203 Ishihara Lecture in 2019 (2022, Soil Dynamics and Earthquake Engineering)
  • Liquefaction Mitigation Measures: A Historical Review (2021, Springer transactions in civil and environmental engineering)
  • Risk evaluation and warning threshold of unstable slope using tilting sensor array (2022, Natural Hazards)
  • Reconnaissance and Discussion on Ground Motion Induced by the 2023 Türkiye-Syria Earthquake (2025, Journal of Earthquake Engineering)

Towhata frequently publishes in venues such as Natural Hazards, Soil Dynamics and Earthquake Engineering, Journal of Earthquake Engineering, Springer transactions in civil and environmental engineering, and Japanese Geotechnical Society Special Publication.

The scientist collaborates regularly with a core group of co-authors, including Satoshi Goto, Shigeru Goto, Takashi Akima, Junya Tanaka, and Taro Uchimura, each with multiple joint publications.

Best Publications

  • SAND RESPONSE TO CYCLIC ROTATION OF PRINCIPAL STRESS DIRECTIONS AS INDUCED BY WAVE LOADS

    Kenji Ishihara;Ikuo Towhata

  • Volume Change of Clays Induced by Heating as Observed in Consolidation Tests

    Ikuo Towhata;Pisit Kuntiwattanaku;Ichiro Seko;Kanta Ohishi

  • FLOW THEORY FOR SAND DURING ROTATION OF PRINCIPAL STRESS DIRECTION

    Marte Gutierrez;Kenji Ishihara;Ikuo Towhata

  • Modelling soil behavior under principal stress axes rotation

    I Towhata;K Ishihara

  • Experimental Study of Dry Granular Flow and Impact Behavior Against a Rigid Retaining Wall

    Yuan-Jun Jiang;Ikuo Towhata

  • Shaking table tests in earthquake geotechnical engineering

    S. K. Prasad;I. Towhata;G. P. Chandradhara;P. Nanjundaswamy

  • Instrumented Model Slope Failure due to Water Seepage

    Rolando P. Orense;Suguru Shimoma;Kengo Maeda;Ikuo Towhata

  • SHEAR WORK AND PORE WATER PRESSURE IN UNDRAINED SHEAR

    Ikuo Towhata;Kenji Ishihara

  • UNDRAINED STRENGTH OF SAND UNDERGOING CYCLIC ROTATION OF PRINCIPAL STRESS AXES

    Ikuo Towhata;Kenji Ishihara

  • TEMPERATURE EFFECTS ON UNDRAINED SHEAR CHARACTERISTICS OF CLAY

    Pisit Kuntiwattanakul;Ikuo Towhata;Kanta Ohishi;Ichiro Seko

  • Precaution and early warning of surface failure of slopes using tilt sensors

    Taro Uchimura;Ikuo Towhata;Lin Wang;Shunsaku Nishie

  • Shaking table tests on subgrade reaction of pipe embedded in sandy liquefied subsoil

    I Towhata;W Vargas-Monge;R.P Orense;M Yao

  • Strain energy based evaluation of liquefaction and residual pore water pressure in sands using cyclic torsional shear experiments

    Y. Jafarian;I. Towhata;M.H. Baziar;A. Noorzad

  • Simple monitoring method for precaution of landslides watching tilting and water contents on slopes surface

    Taro Uchimura;Ikuo Towhata;Trinh Thi Lan Anh;Jou Fukuda

  • Study on permanent ground displacement induced by seismic liquefaction

    Unknown

  • Shaking Table Model Tests on Pile Groups behind Quay Walls Subjected to Lateral Spreading

    Ramin Motamed;Ikuo Towhata

  • MODEL FOR THE DEFORMATION OF SAND DURING ROTATION OF PRINCIPAL STRESS DIRECTIONS

    Marte Gutierrez;Kenji Ishihara;Ikuo Towhata

  • Pile group response to liquefaction-induced lateral spreading: E-Defense large shake table test

    Ramin Motamed;Ikuo Towhata;Tsuyoshi Honda;Kentaro Tabata

  • EFFECT OF NON PLASTIC SILT ON THE ANISOTROPIC BEHAVIOR OF SAND

    Hadi Bahadori;Abbas Ghalandarzadeh;Ikuo Towhata

  • PREDICTION OF PERMANENT DISPLACEMENT OF LIQUEFIED GROUND BY MEANS OF MINIMUM ENERGY PRINCIPLE

    Ikuo Towhata;Yasushi Sasaki;Kenichi Tokida;Hideo Matsumoto

  • LIQUEFACTION-INDUCED GROUND DAMAGE IN DAGUPAN IN THE JULY 16, 1990 LUZON EARTHQUAKE

    Kenji Ishihara;Alex A. Acacio;Ikuo Towhata

Frequent Co-Authors

Kenji Ishihara
Kenji Ishihara Chuo University
Susumu Yasuda
Susumu Yasuda Tokyo Denki University
Nawawi Chouw
Nawawi Chouw University of Auckland
Fumio Yamazaki
Fumio Yamazaki Chiba University
Deepankar Choudhury
Deepankar Choudhury Indian Institute of Technology Bombay
Marte Gutierrez
Marte Gutierrez Colorado School of Mines
Mustafa Erdik
Mustafa Erdik Kandilli Observatory and Earthquake Research Institute
Stefano Parolai
Stefano Parolai University of Trieste
Jason T. DeJong
Jason T. DeJong University of California, Davis
James K. Mitchell
James K. Mitchell Rutgers, The State University of New Jersey

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