Results 31 to 40 of about 2,623,465 (154)

Annual Report on the Environment in Japan [PDF]

, 2004
The annual report includes an overview of the diffusion of environmentalism in Japan and the world during FY 2003. The report details the environmental issues and the environmental conservation measures by the Japanese government in FY ...
Japan. Kankyōshō., Japan. Kankyōsho   +1 more
core  

Surface rupture and characteristics of a fault associated with the 2011 and 2016 earthquakes in the southern Abukuma Mountains, northeastern Japan, triggered by the Tohoku-Oki earthquake

Earth, Planets and Space, 2019
The 2011 Tohoku-Oki offshore subduction earthquake (M w 9.0) triggered many normal-type earthquakes inland in northeastern Japan. Among these were two very similar normal-faulting earthquakes in 2011 (M w 5.8) and 2016 (M w 5.9), which created surface ...
Keitaro Komura, Kotaro Aiyama, Takahiro Nagata, Hiroshi P. Sato, Akihiro Yamada, Yasuhira Aoyagi   +5 more
doaj   +1 more source

Earthquake-enhanced dissolved carbon cycles in ultra-deep ocean sediments

Nature Communications, 2023
Hadal trenches are unique geological and ecological systems located along subduction zones. Earthquake-triggered turbidites act as efficient transport pathways of organic carbon (OC), yet remineralization and transformation of OC in these systems are not
Mengfan Chu, Rui Bao, Michael Strasser, Ken Ikehara, Jez Everest, Lena Maeda, Katharina Hochmuth, Li Xu, Ann McNichol, Piero Bellanova, Troy Rasbury, Martin Kölling, Natascha Riedinger, Joel Johnson, Min Luo, Christian März, Susanne Straub, Kana Jitsuno, Morgane Brunet, Zhirong Cai, Antonio Cattaneo, Kanhsi Hsiung, Takashi Ishizawa, Takuya Itaki, Toshiya Kanamatsu, Myra Keep, Arata Kioka, Cecilia McHugh, Aaron Micallef, Dhananjai Pandey, Jean Noël Proust, Yasufumi Satoguchi, Derek Sawyer, Chloé Seibert, Maxwell Silver, Joonas Virtasalo, Yonghong Wang, Ting-Wei Wu, Sarah Zellers   +38 more
doaj   +1 more source

The Japan Trench and its juncture with the Kuril Trench: cruise results of the Kaiko project, Leg 3

, 1987
International audienceThis paper presents the results of a detailed survey combining Seabeam mapping, gravity and geomagnetic measurements as well as single-channel seismic reflection observations in the Japan Trench and the juncture with the Kuril ...
Suyehiro, Kiyoshi, Tani, Shin, Dubois, Jacques, Kasahara, Junzo, Nakamura, Yasuo, Kanazawa, Toshihiko, Boulègue, Jacques, Kobayashi, Kazuo, Jolivet, Laurent, Lallemand, Serge, Aubouin, Jean, Cadet, Jean-Paul, von Huene, Roland, Koizumi, Kinichiro, Tokuyama, Hidekazu, Deplus, Christine, Yamazaki, Toshitsugu, Pautot, Guy   +17 more
core   +1 more source

Imaging the subducting slab and mantle upwelling under the Japan islands revealed by double-difference tomography

Frontiers in Earth Science, 2023
In this paper, we collected the seismic phase arrival data of 14,033 local natural earthquakes above magnitude 3.0 recorded by 435 seismograph stations in the study area provided by the International Seismological Centre (ISC), covering the period from ...
Zhengshuai Zhang, Zhengshuai Zhang, Jianchang Zheng, Shuhao Wang, Cuiqin Li, Fangbin Liu   +5 more
doaj   +1 more source

The trench-trench-trench type triple junction and tectonic evolution of Japan [PDF]

, 1996
The topography around the trench-trench-trench triple junction off the Kanto Plain and Neogene tectonic evolution of the Japanese Island Arcs have been examined. The most important factors for the tectonics are the deformations of the subductive boundary
80005818, Niitsuma, Nobuaki, Niitsuma Nobuaki, 181, 4af875ea-798e-4c86-a0cf-b8ffad3cbf29   +4 more
core  

Mapping normal faults on the outer slope of the western Kuril Trench based on recent seismic reflection and bathymetric data

Earth, Planets and Space
To obtain novel information regarding normal faults that could cause tsunamis and large earthquakes on the outer slopes of the Kuril Trench, recently acquired multichannel seismic reflection (MCS) and bathymetric data are processed in this study to ...
Tetsuo No, Shuichi Kodaira, Kentaro Imai, Koichiro Obana, Gou Fujie, Yasuyuki Nakamura, Kazuya Shiraishi, Ryo Miura, Masao Nakanishi   +8 more
doaj   +1 more source

Noise classification for the unified earthquake catalog using ensemble learning: the enhanced image of seismic activity along the Japan Trench by the S-net seafloor network

Earth, Planets and Space, 2021
Homogeneous and accurate hypocenter distribution along the Japan Trench is important to better understand the process of plate subduction and the occurrence mode of large earthquakes. The seafloor seismic network (S-net) deployed recently along the Japan
Koji Tamaribuchi, Fuyuki Hirose, Akemi Noda, Yuriko Iwasaki, Kazuhiro Iwakiri, Hiroshi Ueno   +5 more
doaj   +1 more source

Using GMT for 2D and 3D Modeling of the Ryukyu Trench Topography, Pacific Ocean

Miscellanea Geographica: Regional Studies on Development, 2021
This research focuses on the 2D and 3D geospatial analysis of the Ryukyu Trench, a deep-sea trench located in the western Pacific Ocean between Japan and Taiwan.
Lemenkova Polina
doaj   +1 more source

Identification of a large mud volcano field in the Hyuga-nada, northern end of the Ryukyu trench, offshore Japan

Frontiers in Earth Science, 2023
We identified 27 new mud volcanoes, including potential ones, in a part of the Hyuga-nada area, southwest offshore Japan, at the northern end of the Ryukyu Trench, based on subseafloor geological structures using geophysical investigations.
Miho Asada, Mikiya Yamashita, Rina Fukuchi, Toshiyuki Yokota, Tomohiro Toki, Tomohiro Toki, Akira Ijiri, Akira Ijiri, Kiichiro Kawamura   +8 more
doaj   +1 more source