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IMG (Research Institute for Marine Geodynamics) in JAMSTEC conducts large-scale observations in both seismogenic zones in the ocean around Japan, e.g., Nankai Trough, Japan Trench, Kuril Trench, and submarine volcanoes, e.g., Kikai caldera, using JAMSTEC vessels and various state-of-the-art marine exploration technologies. We also realize a system for monitoring and forecasting earthquake and volcanic activities, and tsunamis with large-scale and high-precision numerical simulations.
Furthermore, in line with SDGs 11 (sustainable cities and communities), our institute will contribute to disaster mitigation by sharing the scientific knowledge we have gained with society.
For details, please visit IMG web page, or see our pamphlet and poster below.
| Program for Promoting Researches on the Supercomputer Fugaku "Large-scale numerical simulation of earthquake generation, wave propagation and soil amplification" | |
|---|---|
| We calculate ground shaking due to large earthquakes and slow seafloor deformation that induces tsunamis, using the supercomputer Fugaku. |
JAMSTEC provides a wide variety of geoscience data. Detailed descriptions of the available data can be seen in the following links.
| JAMSTEC Seismic Survey Database | |
|---|---|
| Categories of accessible data are Multi-Channel Seismic reflection data, refraction and wide-angle seismic reflection data by Ocean Bottom Seismograph. | |
| Pacific 21 (Seismic data archives) | |
| Data of earthquake and Earth’s magnetic field obtained through observation network called Pacific 21 built in Pacific Islands, East and South East Asia are open in this website. | |
| DODAI -Domestic geochemical Database for International open science- | |
| A geochemical database for the basement rocks of the Japanese islands including major and trace element concentrations, isotopic ratios, geographical coordinates of sampling points, and geological and lithological information. | |
| Other databases of earthquake and geoscience data | |
| Date&Time |
Session | Title | Presenter | Format |
|---|---|---|---|---|
| 12/09 04:00〜 20:59 (PST) 12/09 21:00〜 12/10 13:59 (JST) |
NH014: Interdisciplinary Tsunami Science IV Posters | Time Difference Between the 1854 Ansei–Tokai and Ansei–Nankai Earthquakes Estimated from Distant Tsunami Waveforms on West Coast of North America | Satoshi Kusumoto others |
poster |
| 12/09 05:00〜 05:04 (PST) 12/10 0:00〜 12/10 0:04 (JST) |
T019: Subduction Top to Bottom 2 (ST2B-2): A Major Publication Venture Celebrating20 Years of Subduction Zone Science I | High-angle normal faults in the oceanic plate entering the Japan-Kuril Trench subduction zones | Shuichi Kodaira others |
virtual oral |
| 12/09 19:16〜 19:20 (PST) 12/10 12:16〜 12:20 (JST) |
T022 From Trench to Back arc: Dynamics of the Hikurangi Subduction Zone | P-wave velocity structure and stress state of shallow subduction faults in the northern Hikurangi margin, New Zealand, from NZ3D OBS data | Ryuta Arai others |
virtual oral |
| 12/10 04:00〜 20:59 (PST) 12/10 21:00〜 12/11 13:59 (JST) |
S031: The Role of Fluids in Aseismic and Seismic Slip on Faults II Posters | Fluid migration before and during slow earthquakes in the shallow Nankai subduction zones | Takashi Tonegawa others |
poster |
| 12/10 04:00〜 20:59 (PST) 12/10 21:00〜 12/11 13:59 (JST) |
S031: The Role of Fluids in Aseismic and Seismic Slip on Faults II Posters | Quantitative relationship between aseismic slip propagation speed and frictional properties | Keisuke Ariyoshi others |
poster |
| 12/10 19:30〜 19:34 (PST) 12/11 12:30〜 12:34 (JST) |
S033: Advances in Understanding the Mechanics Behind Aseismic Transient Slip | Detection of "rapid" aseismic slip that bridges a gap between seismic slip and slow slip | Yoshio Fukao others |
virtual oral |
| 12/11 04:00〜 20:59 (PST) 12/11 21:00〜 12/12 13:59 (JST) |
S037 - Modeling and Imaging Complex Earthquake Ruptures IV Posters | Imaging of fault-slip distributions using a trans-dimensional geodetic slip inversion approach | Fumiaki Tomita others |
poster |
| 12/11 17:56〜 18:00 (PST) 12/12 10:56〜 11:00 (JST) |
S043: Modeling and Imaging Complex Earthquake Ruptures II | Bayesian estimation of fault slip distributions based on ensemble modeling of the underground structure uncertainty | Ryoichiro Agata others |
virtual oral |
| 12/14 04:00〜 20:59 (PST) 12/14 21:00〜 12/15 13:59(JST) |
GP002: General Contributions in Geomagnetism, Paleomagnetism, and Electromagnetism Posters | Detrital remanent magnetization of thick-deep-sea turbidite, off Tohoku NE Japan | Toshiya Kanamatsu others |
poster |
| 12/15 04:00〜 20:59 (PST) 12/15 21:00〜 12/16 13:59 (JST) |
DI023 - A Multidisciplinary Approach to Understanding Volatiles in Earth's Mantle II | The deep argon cycle in Earth’s mantle | Shigeaki Ono others |
poster |
| 12/15 04:00〜 20:59 (PST) 12/15 21:00〜 12/16 13:59 (JST) |
T048: Linking Structure and Dynamics of Subduction Zones Across Scales III Posters | Detailed mapping of the plate interface in the Nankai Trough subduction zone off Kii channel revealed by densely obtained seismic reflection profiles | Yasuyuki Nakamura others |
poster |
| 12/15 04:00〜 20:59 (PST) 12/15 21:00〜 12/16 13:59(JST) |
T048: Linking Structure and Dynamics of Subduction Zones Across Scales III Posters | Detailed seismic reflection profiles in the Nankai subduction zone with multiple splay faults, southwestern offshore of the Kii Peninsula, Japan | Kazuya Shiraishi others |
poster |
| 12/16 16:04〜 16:08 (PST) 12/17 09:04〜 09:08 (JST) |
T057: Linking Structure and Dynamics of Subduction Zones Across Scales I | Impacts of a large seamount subduction in the Nankai Trough off Cape Muroto revealed bya dense-OBS seismic survey | Gou Fujie others |
virtual oral |
We invite you to learn more about job opportunities at JAMSTEC.
| JAMSTEC Young Research Fellow | |
|---|---|
| Interview with Dr. Iona McIntosh | |
| JAMSTEC seeks talented and innovative Young Research Fellows every year. The deadline of our recruitment is generally between May and July (depending on the year), and the appointment is three years. |
|
| Opportunities | |
| JAMSTEC is seeking postdoctoral researchers, researchers, and principal researchers. |
| JAMSTEC action for SDGs | |
|---|---|
| IMG action 1 for SDGs: Oceanic volcanoes |
|
| IMG action 2 for SDGs: Earthquakes and Tsunamis |
|
| IMG action 3 for SDGs: Real-time seafloor observations
|
