| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Earth Science | 34 | 8107 | 7519 | 247 | 233 | 170 | 3581 |
The chart shows the history of publications by Hiroyuki Kumagai between 1992 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroyuki Kumagai published across 35 years, from 1992 to 2026, averaging 5.1 papers a year. Output peaked at 16 publications in 2016. 4 of the 177 publications appeared in the last two years.
177 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1992 | 2 |
| 1993 | 1 |
| 1994 | 0 |
| 1995 | 2 |
| 1996 | 3 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 4 |
| 2000 | 1 |
| 2001 | 5 |
| 2002 | 3 |
| 2003 | 4 |
| 2004 | 5 |
| 2005 | 7 |
| 2006 | 4 |
| 2007 | 5 |
| 2008 | 4 |
| 2009 | 6 |
| 2010 | 7 |
| 2011 | 6 |
| 2012 | 5 |
| 2013 | 7 |
| 2014 | 9 |
| 2015 | 11 |
| 2016 | 16 |
| 2017 | 10 |
| 2018 | 14 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
| Total | 177 |
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 Hiroyuki Kumagai sits on this spectrum.
This scientist: 170 publications — 49th percentile
49% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 603 publications or more.
| 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 | 170 |
| 178–187 | 414 | |
| 188–197 | 401 | |
| 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 |
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 Hiroyuki Kumagai sits on this spectrum.
This scientist: 34 D-Index — 15th percentile
15% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 106 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 30 | 144 | |
| 31 | 215 | |
| 32 | 278 | |
| 33 | 379 | |
| 34 | 366 | 34 |
| 35 | 372 | |
| 36 | 389 | |
| 37 | 366 | |
| 38 | 344 | |
| 39 | 349 | |
| 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 |
Hiroyuki Kumagai is affiliated with Nagoya University in Japan and has contributed extensively to the field of Earth and Planetary Sciences, with a strong focus on geophysics. Their research portfolio spans related subfields, including geophysics, astronomy and astrophysics, atmospheric science, and artificial intelligence.
The scientist's work extensively covers topics such as earthquake and tectonic studies, seismic waves and analysis, earthquake detection and analysis, geological and tectonic studies in Latin America, planetary science and exploration, astro and planetary science, and high-pressure geophysics and materials.
Frequent publication venues for Kumagai include:
The list of recent papers illustrates the diversity and range of Kumagai's research contributions:
Kumagai has collaborated frequently with several researchers, including Kimiko Taguchi, Azusa Mori, Roberto Torres, Indira Molina, and Ayame Ikeda, indicating an active participation in multi-author, interdisciplinary work.
Hiroyuki Kumagai;Bernard A. Chouet
Hiroyuki Kumagai;Takao Ohminato;Masaru Nakano;Masahiro Ooi
Hiroyuki Kumagai;Hiroyuki Kumagai;Bernard A. Chouet
Masaru Nakano;Hiroyuki Kumagai;Bernard A. Chouet
Hiroyuki Kumagai;Masaru Nakano;Takuto Maeda;Hugo Yepes
Hiroyuki Kumagai;Bernard A. Chouet;Masaru Nakano
Masumi Yamada;Hiroyuki Kumagai;Yuki Matsushi;Takanori Matsuzawa
C. H. Lin;H. Kumagai;M. Ando;T. C. Shin
Hiroyuki Kumagai;Bernard A. Chouet;Masaru Nakano
Hiroyuki Kumagai;Bernard A. Chouet;Phillip B. Dawson
M. Nakano;H. Kumagai;H. Inoue
Hiroyuki Kumagai;Pablo Palacios;Takuto Maeda;Diego Barba Castillo
Takao Ohminato;Minoru Takeo;Hiroyuki Kumagai;Tadashi Yamashina
Masaru Nakano;Hiroyuki Kumagai;Mineo Kumazawa;Koshun Yamaoka
Hiroyuki Kumagai;Bernard A. Chouet
Hiroyuki Kumagai
Hiroyuki Kumagai;Koji Miyakawa;Hiroaki Negishi;Hiroshi Inoue
Haruhisa Nakamichi;Hiroyuki Kumagai;Masaru Nakano;Makoto Okubo
Indira Molina;Hiroyuki Kumagai;Hugo Yepes
Indira Molina;Hiroyuki Kumagai;Jean-Luc Le Pennec;Jean-Luc Le Pennec;Minard Hall
H. Kumagai;M. Nakano;T. Maeda;H. Yepes
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