Professor Emeritus Toshiyuki Hibiya has been named a JpGU Fellow at the 2025 Japan Geoscience Union (JpGU) Meeting held at Makuhari Messe in Chiba City. The JpGU Fellowship is a prestigious honor awarded to individuals who have made outstanding contributions to Earth and planetary sciences or who have played a pivotal role in advancing geoscience activities in Japan.
Professor Hibiya has dedicated his career to elucidating the physical mechanisms of deep ocean mixing and quantifying their effects—an essential key to understanding the global overturning circulation that drives long-term climate variability. In addition to his scientific achievements, he has been a driving force in advancing deep ocean mixing research both in Japan and internationally, notably by organizing specialized sessions at JpGU and various international conferences.
He currently serves as Vice-President of the International Association for the Physical Sciences of the Oceans (IAPSO), where he actively fosters the development and expansion of global research networks. This award not only affirms his status as a leading authority in deep ocean mixing, but also honors his exemplary leadership and enduring contributions to the international oceanographic community.
For innovative contributions to understanding the mechanisms behind the formation of mixing hotspots in the deep ocean and their global intensity distribution, achieved through a combined theoretical and observational approach
For more information, please see below.
- JpGU Fellowship：https://www.jpgu.org/en/jpgufellow/2025-toshiyuki-hibiya/
- Award Ceremony：https://www.jpgu.org/meeting_e2025/ceremony.php
2025年9月 修士課程修了予定者 各位
To all students scheduled to complete their master’s program in September 2025.
下記要領で修士論文提出受付および発表会を行います。
The thesis submission and master’s thesis defense will take place as follows.
◆スケジュールschedule◆
| 6月23日（月） June 23 (Mon) | 9:00 | タイトル登録開始（情報集約システム） Start of title registration (information aggregation system) |
| 7月22日（火） July 22 (Tue) | 12:00 | タイトル登録締切（情報集約システム） Title registration deadline (information aggregation system) |
| 8月 7日（木） August 7 (Thu) | 12:00 | 審査用論文提出締切（情報集約システム） Deadline for submission of papers for review (information aggregation system) |
| 研究計画書提出締切〈外国人特別選考進学希望者〉（pdfファイル）※1 Deadline for submission of research plans <Internal transfer applicants through special selection for International Applicants> (PDF file) *1 | ||
| 8月18日（月） August 18 (Mon) | 12:00 | 発表要旨提出締切（A4 1～2ページ程度・pdfファイル）※2 Abstract submission deadline (1-2 pages, A4 size, pdf file) *2 |
| 8月21日（木） August 21 (Thu) | 修士論文発表会（プログラムは8月18日頃にWEB上で通知） Master’s Thesis defense (Program to be announced online around August 18) | |
| 9月 1日（月） September 1 (Mon) | 15:00 | 最終版修士論文提出締切 Final draft thesis submission deadline ①pdfファイルを情報集約システムより提出 ①Submit PDF files from the information aggregation system. ②製本済論文を専攻事務室に提出 ②Submit the bound thesis to the department office. |
◆その他Others◆
・修士論文発表会は、発表時間20分、質疑応答10分で行います。
・The master’s thesis defense will be held with a 20-minute presentation and a 10-minute question and answer session.
・論文タイトルは例年間違いが散見されますので特に注意してください。
・Please pay particular attention to the paper titles, as errors are often found in previous years.
・8月18日（月）12：00までに研究業績を情報集約システムで更新しておいてください。
・Please update your research findings in the Information aggregation system by 12:00 noon on August 18(mon).
※1研究計画書様式/Research plan format：Word / PDF
研究計画書提出先（外国人特別選考内部進学者）Research plans submission (Internal transfer applicants through special selection for International Applicants)
https://univtokyo.sharepoint.com/:f:/t/Teams.jimu-eps.s/EqnoS8JyJpZCsfRmOfm94fcBJthjptx7-hUuZI0k1xcbTQ
8月7日（木）12：00締切
Deadline: August 7(thu), 12:00 p.m.
※2発表要旨提出先Abstract Submission
https://univtokyo.sharepoint.com/:f:/t/Teams.jimu-eps.s/EkaJ3vy5pIFEp52jlUG65TAB2SJfCH0P7ST6LeWkRYgWmw
8月18日（月）12：00締切
Deadline: August 18(mon), 12:00 p.m.
2025年4月修士課程入学者各位（留学生を含む）
2025年10月博士課程入学予定者各位（内部進学者を除く）
国際卓越大学院事務局より、理学系研究科が主担当となっている２つの国際卓越大学院プログラム「宇宙地球フロンティア国際卓越大学院プログラム（IGPEES）」及び「変革を駆動する先端物理・数学プログラム（FoPM）」について、募集要項掲載のお知らせです。
申請受付期間（プログラム共通）
・申請書及び研究計画書：2025年6月2日（月）から6月16日（月）15：00まで。〔必着〕
・教員の意見書：2025年6月2日（月）から6月18日（水）15：00まで。〔必着〕
● IGPEES：https://www.s.u-tokyo.ac.jp/ja/IGPEES/application.html
〇対象専攻
理学系研究科各専攻、工学系研究科航空宇宙工学専攻、新領域創成科学研究科複雑理工学専攻および先端エネルギー工学専攻
〇対象学生
・2025年4月に対象専攻の修士課程に入学した者（留学生を含む）
・2025年10月に対象専攻の博士課程に入学予定の者（内部進学者を除く）
● FoPM：https://www.s.u-tokyo.ac.jp/ja/FoPM/application/guidelines.html
〇対象専攻
理学系研究科各専攻（生科のぞく）、数理科学研究科、工学系研究科物理工学専攻
〇対象学生
・2024年10月に物理工学専攻の修士課程に入学した者
・2025年4月に対象専攻の修士課程に入学した者（留学生を含む）※
・2025年10月に対象専攻の博士課程に入学予定の者（内部進学者を除く）
※理学系研究科および数理科学研究科の募集人数は全専攻併せて若干名となります。
また前回4月採用に応募した者は再応募することはできません。
【問い合わせ先】
理学系研究科 学務課内 国際卓越大学院事務局 wings.s@gs.mail.u-tokyo.ac.jp
IGPEES 鈴木 (24626) FoPM 仲井（24340）
The International Graduate Program for Excellence in Earth-Space Science (IGPEES) is accepting applications for students who enrolled in the Master’s Course in April, 2025 (including international students) and prospective students who will be enrolled in Doctoral Course in October, 2025 (except for current students of UTokyo). Please refer to the application guidelines attached below for more details.
● IGPEES：https://www.s.u-tokyo.ac.jp/ja/IGPEES/application.html
FoPM is now accepting applications for its 2025 October intake program for the following students. For details, please refer to the respective application guidelines.
- Students enrolled in the Master’s Program in Physics and Engineering in October 2024
- Students enrolled in the Master’s Program in April 2025
- Students planning to enroll in the Doctoral Program in October 2025
● FoPM：https://www.s.u-tokyo.ac.jp/ja/FoPM/application/guidelines.html
募集についての詳細は、下記ページをご覧ください。
For more details about recruitment, please see the page below.
数物フロンティア国際卓越大学院｜コース生の募集
〇応募説明会：6月11日（水）17:00–18:00（オンライン）
〇Application Information Session: June 11 (Wed) 5:00 p.m. – 6:00 p.m. (online)
参加をご希望の場合は、以下より参加登録をお願いします。
If you would like to participate, please register below.
https://forms.gle/qfdBB8np1TwA4YpQ6
開始60分前頃に、Zoom情報をお知らせします。
Zoom information will be sent approximately 60 minutes before the start time.
ご不明な点は、個別にお問い合わせください。
If you have any questions, please contact the following department.
WINGS-FMSP担当：fmsp-group@g.ecc.u-tokyo.ac.jp
Please read the following links for the details of recruitment.
The University of Tokyo is now seeking candidates for “The University of Tokyo Excellent Young Researcher (UTEYR, https://www.u-tokyo.ac.jp/content/400263748.pdf)” program, and you can apply to this program in addition to this faculty position.
Whether or not you have applied to UTEYR does not affect the selection process of the faculty position.
Please read the following links for the details of recruitment.
The following changes have been made to the “Date of commencement of employment”.
Before change: As early as possible after decision is made
After change: After 1 April, 2026 (JST)
［May 22, 2025 Revised/updated application guidelines]
Press Releases
On New Year’s Day 2024, a massive 7.5-magnitude earthquake struck the Noto Peninsula in north central Japan, resulting in extensive damage in the region caused by uplift, when the land rises due to shifting tectonic plates. The observed uplift, however, varied significantly, with some areas experiencing as much as a 5-meter rise of the ground surface. To better understand how the characteristics of the affected fault lines impact earthquake dynamics, researchers in Japan used recently developed simulations to make a detailed model of the fault. The findings could help develop models to simulate scenarios of different earthquakes and mitigate disasters in the future.
The results were published in the journal Earth, Planets and Space as a Frontier Letter.
Related Faculty Members
ANDO Ryosuke / Associate Professor / Graduate School of Science
For more information, please see below.
UTokyo web：https://www.u-tokyo.ac.jp/focus/en/press/z0508_00406.html
Disclaimer: machine translated by DeepL which may contain errors.
Professor Shogo Tachibana of UTokyo Organization for Planetary and Space Science (UTOPS) has received the Prizes for Science and Technology (Research Category) of the Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology for 2025. We would like to extend our sincere congratulations to him.
Professor Tachibana’s contribution, as encapsulated in the award title “The Exploration of Asteroid Ryugu and Advanced Research on the Chemical Evolution of the Solar System”, represent a rare combination of his steadfast leadership in the exploration project and his scientifically sharp research. Professor Tachibana played a central role throughout all phases of the asteroid probe Hayabusa2, from mission planning to sample analysis, ultimately offering a novel perspective on the chemical evolution of the solar system.
What stands out most is his clear articulation of the scientific importance of exploring C-type asteroids. Today, the value of such missions is widely acknowledged, but in the early stages, there was considerable skepticism. One prevailing criticism was: “Because the C-type asteroid targeted by Hayabusa2 has undergone aqueous alteration, it has lost the pristine information from the solar system’s earliest days. Compared to unaltered bodies like comets, its scientific value is lower.” In response, Professor Tachibana published a compelling paper arguing that it is precisely because aqueous alteration occurred that H₂O was transformed into stable hydrated minerals, enabling its large-scale transport into the warm terrestrial planet-forming region. Aqueous alteration is thus a key process in the early solar system’s material transport and in the formation of planetary hydrospheres. The exploration of C-type asteroids is of the highest scientific value. His argument was highly persuasive, giving confidence to us on the remote sensing team as we proceeded with our observations. This argument was embraced by the subsequent OSIRIS-REx mission, showing that it had gained international traction.”
I believe that this award is the result of such excellent research and many years of dedication by Professor Tachibana. We sincerely wish him continued success in his future endeavors.
(Responsibility: Professor Seiji Sugita, Department of Earth and Planetary Science)
School of Science, UTokyo：https://www.s.u-tokyo.ac.jp/en/info/10771
本件について、提出審査会プログラムが変更となりましたので、下記よりご確認ください。（2025.5.2）
The Program has been changed, so please check below.（2025.May.2)
2025年度春季地球惑星科学専攻博士論文提出審査会プログラムの詳細はこちらをご覧ください。
Click here for the program for the Dissertation Submission Evaluation Presentation, Spring 2025.
令和7年9月修了予定者の博士学位論文の提出期間の詳細については、こちらをご覧ください。
Thesis submission period for students who Intend to Complete the Doctoral Program in September 2025 is available on this websites.
地球惑星科学専攻では、修士課程学位記伝達式を下記の通り行います。
式典中の修了生のマスク着用は、個人の判断に委ねることを基本とします。
◆地球惑星科学専攻 修士課程学位記伝達式◆
＊日時:令和7年3月24日（月）16：00～
＊場所：理学部1号館279号室 SKY Lecture Room
※学生証を必ず持参してください。博士課程に進学する方は、新年度開始後新しい学生証と交換します。
※欠席する場合は、学位記を専攻事務室（1号館811号室）で、後日必ずお受け取りください。
※令和6年度 東京大学学位記授与式 2024 Diploma Presentation Ceremony
Ceremony for the Commencement of the Department of Earth and Planetary Science— March 2025
In the Department of Earth and Planetary Science, the master’s degree ceremony will be held as follows.
Graduates will be required to wear masks during the ceremony at their own discretion.
＊Date and time: March 24, 2025 (Monday) 16:00~
＊Location: Faculty of Science Building 1, Room 279 SKY Lecture Room
※Please be sure to bring your student ID. If you are going on to a doctoral course, you will receive a new student ID card after the start of the new academic year.
※If you are absent, please be sure to pick up your diploma at a later date from the department office (Room 811, Building 1).
※令和6年度 東京大学学位記授与式 2024 Diploma Presentation Ceremony
◆問い合わせ先◆ 地球惑星科学専攻事務室 教務担当
電話番号：03-5841-4501、4502（直通）
内線（24501、24502）
e-mail： gakumu-eps.s@gs.mail.u-tokyo.ac.jp
- Job title and number of positions available
Professor, one position - Field of expertise
Space and planetary plasma physics - Requirements
Ph.D. or an equivalent qualification.
The ability to conduct research and education at the undergraduate and graduate levels in theoretical research using plasma kinetic theory in the field of space and planetary plasma physics. In addition, leadership in research using in-situ satellite observation of plasma to verify theories is preferential.
Sufficient Japanese ability for instruction at the undergraduate and graduate levels (where this is not possible at the time of appointment, this level of language proficiency is expected desired within five years) - Types of applications
Application by the applicant
Recommendations are accepted only if the nominator and the nominee are affiliated with institutions in Japan. Consent of the nominee is required. - Date of commencement of employment
As early as possible after decision is made - Term of employment
Non fixed-term - Probation period
6 months from the date of employment - Place of work
Graduate School of Science, The University of Tokyo (7-3-1 Hongo, Bunkyo-ku, Tokyo)
(Scope of Change) The faculty member will be assigned to the place designated by the University (In principle, the faculty member will not be reassigned or transferred against his/her will. (For details, please refer to Article 4 of the Regulations Concerning the Employment of University of Tokyo Faculty Members.) - Affiliation
Space and Planetary Science Group, Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo - Content of work duties
In addition to their own research, the successful candidate will teach at both undergraduate and graduate levels and also contribute to administration in the University.
(Scope of Change) May order reassignment, dual assignment, or secondment. (In principle, the faculty member will not be reassigned or transferred against his/her will. (For details, please refer to Article 4 of the Regulations Concerning the Employment of University of Tokyo Faculty Members.) - Working hours
Based on the discretionary work system for professional work, working hours are deemed to be 7 hours and 45 minutes per day. - Days off
Saturdays, Sundays, national holidays and end-of-year holidays (December 29 to January 3) - Paid Leave
Annual paid leave, Relaxation leave, Bereavement leave, etc. - Wages, etc.
Basic Salary will be decided after taking into account the successful candidate’s academic and professional background, etc. There is a system for regular wage raises. - Allowances
End of semester bonus and diligence bonus (twice a year), Commuting allowance (up to 55,000 per month if the payment conditions are satisfied), and other allowances decided by the University of Tokyo - Insurance
The successful candidate will be automatically enrolled in the insurance scheme provided by the Mutual Aid Association of MEXT (Ministry of Education, Culture, Sports, Science and Technology) and employment insurance by being provided for in the law. - Application Materials Required:
a) Curriculum vitae (this should include age, email address and other contact details, and a summary of academic and professional career from high school including the date of university graduation).
b) A summary of the main research and teaching activities of the applicant (about 1000 words).
c) List of publications and related scientific output, which should be divided into the following 4 types
-Refereed papers and review articles
-Non-refereed papers and review articles
-Books
-Other relevant material
d) PDF files of up to 5 significant publications
e) Outline of aspirations and plans for research after taking office (about 1000 words)
f) Outline of aspirations and plans for graduate/undergraduate education after taking office (about 1000 words)
g) In the case of self-recommendation, Names and contact information for 2 referees who can provide an independent assessment of the candidate.
h) In the case of a recommendation by someone else, a letter of recommendation and documents that explain the contents of a) to f) above. - Application Deadline
All documents must arrive on or before Wednesday, 7 May, 2025 (JST). - Document submission
All documents should be submitted as email attachments in pdf format. The documents can be separated into several separate emails but the total size of each individual mail should not exceed 10 MB. Applications should be sent to plasma-jinji@eps.s.u-tokyo.ac.jp and the subject should be Professor in Space and Planetary Science. An acknowledgement will be sent within 2 working days of receipt of the application documents. - Name of Recruiter
The University of Tokyo - State of Working Measures to Avoid Passive Smoking
Smoking is prohibited inside the grounds of our university. There are a limited number of smoking areas outdoors in the university grounds. - Enquiries
Prof. Shinsuke Imada
Department of Earth and Planetary Science Graduate School of Science
The University of Tokyo
Email: imada@eps.s.u-tokyo.ac.jp
Tel: +81 (0)3-5841-4591. - Others
・Interviews may be conducted after screening of documents.
・Personal information received through this application process will not be used for any other purposes.
・The University of Tokyo is committed to gender equality in hiring. More details of School of Science Master Plan for Gender Equality are available on the website https://www.s.u-tokyo.ac.jp/en/overview/gender/
・During the period of employment, sharing controlled technology to you may be prohibited by FEFTA and it may become difficult to execute your job as a faculty or a staff member of the University if you are under the control of a foreign government, corporation or university by contract, or under the control of a foreign government by economic interests. In such a case, you need to keep the contract or interests within the range that does not incur such restrictions.
・Declaration regarding past criminal penalties, administrative actions, and disciplinary actions due to sexual harassment and/or sexual violence etc. against students will be required in the selection process.