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Takaya Iwasaki

Takaya Iwasaki

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 39 6228 5770 169 158 200 5111

Takaya Iwasaki publications per year

The chart shows the history of publications by Takaya Iwasaki between 1976 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Takaya Iwasaki published across 49 years, from 1976 to 2024, averaging 4.8 papers a year. Output peaked at 18 publications in 2015. 4 of the 237 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1976 to 2024. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 2015. 1976: 1 publication 1977: 0 publications 1978: 0 publications 1979: 1 publication 1980: 1 publication 1981: 2 publications 1982: 1 publication 1983: 2 publications 1984: 0 publications 1985: 3 publications 1986: 0 publications 1987: 0 publications 1988: 2 publications 1989: 2 publications 1990: 4 publications 1991: 1 publication 1992: 2 publications 1993: 4 publications 1994: 3 publications 1995: 4 publications 1996: 5 publications 1997: 0 publications 1998: 1 publication 1999: 1 publication 2000: 0 publications 2001: 4 publications 2002: 8 publications 2003: 6 publications 2004: 10 publications 2005: 7 publications 2006: 5 publications 2007: 3 publications 2008: 6 publications 2009: 11 publications 2010: 13 publications 2011: 6 publications 2012: 9 publications 2013: 14 publications 2014: 13 publications 2015: 18 publications 2016: 10 publications 2017: 9 publications 2018: 7 publications 2019: 7 publications 2020: 16 publications 2021: 10 publications 2022: 1 publication 2023: 2 publications 2024: 2 publications
1976 2024

237 publications in total across all disciplines

View publications per year as a table
Takaya Iwasaki: publications per year, 1976 to 2024
Year Publications
1976 1
1977 0
1978 0
1979 1
1980 1
1981 2
1982 1
1983 2
1984 0
1985 3
1986 0
1987 0
1988 2
1989 2
1990 4
1991 1
1992 2
1993 4
1994 3
1995 4
1996 5
1997 0
1998 1
1999 1
2000 0
2001 4
2002 8
2003 6
2004 10
2005 7
2006 5
2007 3
2008 6
2009 11
2010 13
2011 6
2012 9
2013 14
2014 13
2015 18
2016 10
2017 9
2018 7
2019 7
2020 16
2021 10
2022 1
2023 2
2024 2
Total 237
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Takaya Iwasaki 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 Takaya Iwasaki 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, 198–207 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: 200 publications — 63rd percentile

63% 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
198–207 333 200
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
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Takaya Iwasaki 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 Takaya Iwasaki 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, 39 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: 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.

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 39
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

Takaya Iwasaki is affiliated with the University of Tokyo in Japan. Their research primarily focuses on Earth and Planetary Sciences, with an emphasis on geophysics and the application of artificial intelligence techniques within this domain.

Their work extensively covers topics related to earthquake and tectonic studies, high-pressure geophysics and materials, geological and geochemical analysis, earthquake detection and analysis, seismology and earthquake studies, as well as seismic waves and their analysis.

Takaya Iwasaki has published in several scientific venues, most frequently in:

  • Earth Planets and Space
  • Geophysical Research Letters
  • Journal of Geography (Chigaku Zasshi)
  • Zenodo (CERN European Organization for Nuclear Research)
  • Communications Earth & Environment

Frequent collaborators in their research include:

  • Eiji Kurashimo
  • Yusuke Yamashita
  • Takashi Iidaka
  • Hiroshi Katao
  • Yoshiko Teguri

Some of the recent papers showcasing the range of their research are:

  • Upper Plate Heterogeneity Along the Southern Hikurangi Margin, New Zealand, 2020, Geophysical Research Letters
  • Stress relaxation arrested the mainshock rupture of the 2016 Central Tottori earthquake, 2021, Communications Earth & Environment
  • Stationarity of aftershock activities of the 2016 Central Tottori Prefecture earthquake revealed by dense seismic observation, 2020, Earth Planets and Space
  • The Role of Fluid-Related Heterogeneous Structures in Controlling the Fault Slip Behavior in the Slow-Earthquake Source Region Along the Nankai Subduction Zone, Southwest Japan, 2021, Geophysical Research Letters
  • Spatial change in differential stress magnitudes around the source fault before intraplate earthquakes, 2022, Geophysical Journal International

Best Publications

  • High Pore Fluid Pressure May Cause Silent Slip in the Nankai Trough

    Shuichi Kodaira;Takashi Iidaka;Aitaro Kato;Jin-Oh Park

  • Variations of fluid pressure within the subducting oceanic crust and slow earthquakes

    Aitaro Kato;Takashi Iidaka;Ryoya Ikuta;Yasuhiro Yoshida

  • Earthquake source fault beneath Tokyo.

    Hiroshi Sato;Naoshi Hirata;Kazuki Koketsu;David Okaya

  • Structural factors controlling the rupture process of a megathrust earthquake at the Nankai trough seismogenic zone

    S. Kodaira;E. Kurashimo;J.-O. Park;N. Takahashi

  • Crustal structure across the coseismic rupture zone of the 1944 Tonankai earthquake, the central Nankai Trough seismogenic zone

    Ayako Nakanishi;Narumi Takahashi;Jin-Oh Park;Seiichi Miura

  • Crustal and upper mantle structure in the Ryukyu Island Arc deduced from deep seismic sounding

    T. Iwasaki;N. Hirata;T. Kanazawa;J. Melles

  • Statical and dynamical study on faulting mechanism of the 1923 Kanto earthquake.

    Mitsuhiro Matsu'ura;Takaya Iwasaki;Yasunori Suzuki;Ryosuke Sato

  • Extensional structure in Northern Honshu Arc as inferred from seismic refraction/wide‐angle reflection profiling

    Takaya Iwasaki;Wataru Kato;Takeo Moriya;Akiko Hasemi

  • Crustal structure of southwest Japan, revealed by the integrated seismic experiment Southwest Japan 2002

    Tanio Ito;Yuji Kojima;Shuichi Kodaira;Hiroshi Sato

  • Crustal Structure Beneath Lofoten, N. Norway, From Vertical Incidence and Wide-Angle Seismic Data

    R. Mjelde;M. A. Sellevoll;H. Shimamura;T. Iwasaki

  • Imaging the source region of the 2004 mid-Niigata prefecture earthquake and the evolution of a seismogenic thrust-related fold

    Aitaro Kato;Eiji Kurashimo;Naoshi Hirata;Shinichi Sakai

  • A detailed subduction structure in the Kuril trench deduced from ocean bottom seismographic refraction studies

    Takaya Iwasaki;Hajime Shiobara;Azusa Nishizawa;Toshihiko Kanazawa

  • A crustal study off Lofoten, N. Norway, by use of 3-component Ocean Bottom Seismographs

    R Mjelde;M.A Sellevoll;H Shimamura;T Iwasaki

  • Quasi-static displacements due to faulting in a layered half-space with an intervenient viscoelastic layer.

    Mitsuhiro Matsu'ura;Toshiro Tanimoto;Takaya Iwasaki

  • Imaging the seismic structure and stress field in the source region of the 2004 mid‐Niigata prefecture earthquake: Structural zones of weakness and seismogenic stress concentration by ductile flow

    Aitaro Kato;Shin'ichi Sakai;Naoshi Hirata;Eiji Kurashimo

  • Precise P and S wave velocity structures in the Kitakami Massif, Northern Honshu, Japan, from a seismic refraction experiment

    Takaya Iwasaki;Toshikatsu Yoshii;Takeo Moriya;Akio Kobayashi

  • Upper and middle crustal deformation of an arc - Arc collision across Hokkaido, Japan, inferred from seismic refraction/wide-angle reflection experiments

    Takaya Iwasaki;Keiji Adachi;Takeo Moriya;Hiroki Miyamachi

  • Study on coseismic and postseismic crustal movements associated with the 1923 Kanto earthquake

    Mitsuhiro Matsu'ura;Takaya Iwasaki

  • SAHKE geophysical transect reveals crustal and subduction zone structure at the southern Hikurangi margin, New Zealand

    S. Henrys;A. Wech;R. Sutherland;T. Stern

  • Hypocenter migration and crustal seismic velocity distribution observed for the inland earthquake swarms induced by the 2011 Tohoku-Oki earthquake in NE Japan: Implications for crustal fluid distribution and crustal permeability

    Tomomi Okada;Toru Matsuzawa;Norihito Umino;Keisuke Yoshida

  • Deep seismic reflection profiling across the Ou Backbone range, northern Honshu Island, Japan

    Hiroshi Sato;Naoshi Hirata;Takaya Iwasaki;Makoto Matsubara

Frequent Co-Authors

Naoshi Hirata
Naoshi Hirata University of Tokyo
Aitaro Kato
Aitaro Kato University of Tokyo
Toshihiko Kanazawa
Toshihiko Kanazawa University of Tokyo
Shuichi Kodaira
Shuichi Kodaira Japan Agency for Marine-Earth Science and Technology
Yoshiyuki Kaneda
Yoshiyuki Kaneda Nagoya University
Masanao Shinohara
Masanao Shinohara University of Tokyo
Rupert Sutherland
Rupert Sutherland Victoria University of Wellington
Stuart Henrys
Stuart Henrys University of Auckland
Tomomi Okada
Tomomi Okada Tohoku University
Kazushige Obara
Kazushige Obara University of Tokyo

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