Works by Matsuzawa, Toru

Results: 47

Correction to: Influence of crustal lithology and the thermal state on microseismicity in the Wakayama region, southern Honshu, Japan.

Published in:

2021

By:

Maeda, Sumire;
Toda, Shinji;
Matsuzawa, Toru;
Otsubo, Makoto;
Matsumoto, Takumi

Publication type:

Correction Notice

Influence of crustal lithology and the thermal state on microseismicity in the Wakayama region, southern Honshu, Japan.

Published in:

2021

By:

Maeda, Sumire;
Toda, Shinji;
Matsuzawa, Toru;
Otsubo, Makoto;
Matsumoto, Takumi

Publication type:

Letter

Influence of crustal lithology and the thermal state on microseismicity in the Wakayama region, southern Honshu, Japan.

Published in:

2021

By:

Maeda, Sumire;
Toda, Shinji;
Matsuzawa, Toru;
Otsubo, Makoto;
Matsumoto, Takumi

Publication type:

Letter

Influence of crustal lithology and the thermal state on microseismicity in the Wakayama region, southern Honshu, Japan.

Published in:

2021

By:

Maeda, Sumire;
Toda, Shinji;
Matsuzawa, Toru;
Otsubo, Makoto;
Matsumoto, Takumi

Publication type:

Letter

Special issue "Crustal dynamics: toward integrated view of island arc seismogenesis".

Published in:

2021

By:

Matsuzawa, Toru;
Shimizu, Ichiko;
Nishimura, Takuya;
Spiers, Christopher J.;
Nakajima, Junichi;
Kawamoto, Tatsuhiko

Publication type:

Letter

Focal mechanisms and the stress field in the aftershock area of the 2018 Hokkaido Eastern Iburi earthquake (MJMA = 6.7).

Published in:

Earth, Planets & Space, 2021, v. 73, n. 1, p. 1, doi. 10.1186/s40623-020-01323-x

By:

Susukida, Yuki;
Katsumata, Kei;
Ichiyanagi, Masayoshi;
Ohzono, Mako;
Aoyama, Hiroshi;
Tanaka, Ryo;
Takada, Masamitsu;
Yamaguchi, Teruhiro;
Okada, Kazumi;
Takahashi, Hiroaki;
Sakai, Shin'ichi;
Matsumoto, Satoshi;
Okada, Tomomi;
Matsuzawa, Toru;
Miyamachi, Hiroki;
Hirano, Shuichiro;
Yamanaka, Yoshiko;
Horikawa, Shinichiro;
Kosuga, Masahiro;
Katao, Hiroshi

Publication type:

Article

Spatiotemporal variations in the stress field in the northeasternmost part of the NE Japan arc: constraints from microearthquakes.

Published in:

2020

By:

Maeda, Sumire;
Matsuzawa, Toru;
Okada, Tomomi;
Katao, Hiroshi;
Yoshida, Takeyoshi;
Kosuga, Masahiro;
Otsubo, Makoto

Publication type:

Letter

WBF-2019 Core Research Cluster of Disaster Science Planning Session as Disaster Preparedness: Participation in a Training Program for Conductor-Type Disaster Healthcare Personnel.

Published in:

Journal of Disaster Research, 2020, v. 15, n. 7, p. 900, doi. 10.20965/jdr.2020.p0900

By:

Okuyama, Junko;
Sasaki, Hiroyuki;
Seto, Shuji;
Fukuda, Yu;
Iwasaki, Toshiki;
Matsuzawa, Toru;
Ito, Kiyoshi;
Izumi, Takako;
Takakura, Hiroki;
Imamura, Fumihiko;
Ishi, Tadashi

Publication type:

Article

A Platform for Multidisciplinary Research in Disaster Science Through Experiences from the 2011 Tohoku Earthquake and Tsunami.

Published in:

Journal of Disaster Research, 2019, v. 14, n. 9, p. 1318, doi. 10.20965/jdr.2019.p1318

By:

Fumihiko Imamura;
Hiroki Takakura;
Toru Matsuzawa;
Kiyoshi Ito

Publication type:

Article

Temporal variation of intermediate-depth earthquakes around the time of the M9.0 Tohoku-oki earthquake.

Published in:

Geophysical Research Letters, 2017, v. 44, n. 8, p. 3580, doi. 10.1002/2017GL072876

By:

Delbridge, Brent G.;
Kita, Saeko;
Uchida, Naoki;
Johnson, Christopher W.;
Matsuzawa, Toru;
Bürgmann, Roland

Publication type:

Article

Depth variations in seismic velocity in the subducting crust: Evidence for fluid-related embrittlement for intermediate-depth earthquakes.

Published in:

Geophysical Research Letters, 2017, v. 44, n. 2, p. 810, doi. 10.1002/2016GL071798

By:

Shiina, Takahiro;
Nakajima, Junichi;
Matsuzawa, Toru;
Toyokuni, Genti;
Kita, Saeko

Publication type:

Article

A trial estimation of frictional properties, focusing on aperiodicity off Kamaishi just after the 2011 Tohoku earthquake.

Published in:

Geophysical Research Letters, 2014, v. 41, n. 23, p. 8325, doi. 10.1002/2014GL061872

By:

Ariyoshi, Keisuke;
Uchida, Naoki;
Matsuzawa, Toru;
Hino, Ryota;
Hasegawa, Akira;
Hori, Takane;
Kaneda, Yoshiyuki

Publication type:

Article

Author Correction: Linking affected community and academic knowledge: a community-based participatory research framework based on a Shichigahama project.

Published in:

2024

By:

Seto, Shuji;
Okuyama, Junko;
Iwasaki, Toshiki;
Fukuda, Yu;
Matsuzawa, Toru;
Ito, Kiyoshi;
Takakura, Hiroki;
Terada, Kenjiro;
Imamura, Fumihiko

Publication type:

Correction Notice

Preface for article collection "10 years after the 2011 Tohoku earthquake: a milestone of solid earth science".

Published in:

Progress in Earth & Planetary Science, 2024, v. 11, n. 1, p. 1, doi. 10.1186/s40645-024-00656-5

By:

Hino, Ryota;
Matsuzawa, Toru;
Iinuma, Takeshi;
Kodaira, Shuichi;
Yamada, Masaki;
Bürgmann, Roland

Publication type:

Article

Causes of the N–S compressional aftershocks of the E–W compressional 2008 Iwate–Miyagi Nairiku earthquake (M7.2) in the northeastern Japan arc.

Published in:

Earth, Planets & Space, 2019, v. 71, n. 1, p. N.PAG, doi. 10.1186/s40623-019-1073-z

By:

Maeda, Sumire;
Matsuzawa, Toru;
Yoshida, Keisuke;
Okada, Tomomi;
Yoshida, Takeyoshi

Publication type:

Article

The 2018 Hokkaido Eastern Iburi earthquake (MJMA = 6.7) was triggered by a strike-slip faulting in a stepover segment: insights from the aftershock distribution and the focal mechanism solution of the main shock.

Published in:

Earth, Planets & Space, 2019, v. 71, n. 1, p. N.PAG, doi. 10.1186/s40623-019-1032-8

By:

Katsumata, Kei;
Ichiyanagi, Masayoshi;
Ohzono, Mako;
Aoyama, Hiroshi;
Tanaka, Ryo;
Takada, Masamitsu;
Yamaguchi, Teruhiro;
Okada, Kazumi;
Takahashi, Hiroaki;
Sakai, Shin'ichi;
Matsumoto, Satoshi;
Okada, Tomomi;
Matsuzawa, Toru;
Hirano, Shuichiro;
Terakawa, Toshiko;
Horikawa, Shinichiro;
Kosuga, Masahiro;
Katao, Hiroshi;
Iio, Yoshihisa;
Nagaoka, Airi

Publication type:

Article

Complex microseismic activity and depth-dependent stress field changes in Wakayama, southwestern Japan.

Published in:

Earth, Planets & Space, 2018, v. 70, n. 1, p. 0, doi. 10.1186/s40623-018-0788-6

By:

Maeda, Sumire;
Matsuzawa, Toru;
Toda, Shinji;
Yoshida, Keisuke;
Katao, Hiroshi

Publication type:

Article

Anelastic properties beneath the Niigata-Kobe Tectonic Zone, Japan.

Published in:

2017

By:

Nakajima, Junichi;
Matsuzawa, Toru

Publication type:

Letter

Heterogeneities in Stress and Strength in Tohoku and Its Relationship with Earthquake Sequences Triggered by the 2011 M9 Tohoku-Oki Earthquake.

Published in:

Pure & Applied Geophysics, 2019, v. 176, n. 3, p. 1335, doi. 10.1007/s00024-018-2073-9

By:

Yoshida, Keisuke;
Hasegawa, Akira;
Yoshida, Takeyoshi;
Matsuzawa, Toru

Publication type:

Article

Systematic Differences in Energy Radiation Processes Between Regular and Intraplate Low‐Frequency Earthquakes Around the Focal Area of the 2008 Mw 6.9 Iwate‐Miyagi, Japan, Earthquake.

Published in:

Journal of Geophysical Research. Solid Earth, 2025, v. 130, n. 3, p. 1, doi. 10.1029/2024JB030750

By:

Orimo, Masaki;
Yoshida, Keisuke;
Matsuzawa, Toru;
Taira, Taka'aki;
Emoto, Kentaro;
Hasegawa, Akira

Publication type:

Article

Near‐Source Waveform Modeling to Estimate Shallow Crustal Attenuation and Radiated Energy of Mw 2.0–4.5 Earthquakes.

Published in:

Journal of Geophysical Research. Solid Earth, 2024, v. 129, n. 9, p. 1, doi. 10.1029/2023JB028523

By:

Yoshida, Keisuke;
Emoto, Kentaro;
Takemura, Shunsuke;
Matsuzawa, Toru

Publication type:

Article

Upward Earthquake Swarm Migration in the Northeastern Noto Peninsula, Japan, Initiated From a Deep Ring‐Shaped Cluster: Possibility of Fluid Leakage From a Hidden Magma System.

Published in:

Journal of Geophysical Research. Solid Earth, 2023, v. 128, n. 6, p. 1, doi. 10.1029/2022JB026047

By:

Yoshida, Keisuke;
Uno, Masaoki;
Matsuzawa, Toru;
Yukutake, Yohei;
Mukuhira, Yusuke;
Sato, Hiroshi;
Yoshida, Takeyoshi

Publication type:

Article

The 2021 Mw7.0 and Mw6.7 Miyagi‐Oki Earthquakes Nucleated in a Deep Seismic/Aseismic Transition Zone: Possible Effects of Transient Instability Due To the 2011 Tohoku Earthquake.

Published in:

Journal of Geophysical Research. Solid Earth, 2022, v. 127, n. 8, p. 1, doi. 10.1029/2022JB024887

By:

Yoshida, Keisuke;
Matsuzawa, Toru;
Uchida, Naoki

Publication type:

Article

Fault‐Valve Behavior Estimated From Intensive Foreshocks and Aftershocks of the 2017 M 5.3 Kagoshima Bay Earthquake Sequence, Kyushu, Southern Japan.

Published in:

Journal of Geophysical Research. Solid Earth, 2021, v. 126, n. 5, p. 1, doi. 10.1029/2020JB020278

By:

Matsumoto, Yoshiaki;
Yoshida, Keisuke;
Matsuzawa, Toru;
Hasegawa, Akira

Publication type:

Article

Stress Release Process Along an Intraplate Fault Analogous to the Plate Boundary: A Case Study of the 2017 M5.2 Akita‐Daisen Earthquake, NE Japan.

Published in:

Journal of Geophysical Research. Solid Earth, 2020, v. 125, n. 5, p. 1, doi. 10.1029/2020JB019527

By:

Yoshida, Keisuke;
Taira, Taka'aki;
Matsumoto, Yoshiaki;
Saito, Tatsuhiko;
Emoto, Kentaro;
Matsuzawa, Toru

Publication type:

Article

Implications of Seismic Velocity Structure at the Junction of Kuril‐Northeastern Japan Arcs on Active Shallow Seismicity and Deep Low‐Frequency Earthquakes.

Published in:

Journal of Geophysical Research. Solid Earth, 2018, v. 123, n. 10, p. 8732, doi. 10.1029/2018JB015467

By:

Shiina, Takahiro;
Takahashi, Hiroaki;
Okada, Tomomi;
Matsuzawa, Toru

Publication type:

Article

Emergence and disappearance of interplate repeating earthquakes following the 2011 M9.0 Tohoku-oki earthquake: Slip behavior transition between seismic and aseismic depending on the loading rate.

Published in:

Journal of Geophysical Research. Solid Earth, 2017, v. 122, n. 7, p. 5160, doi. 10.1002/2016JB013914

By:

Hatakeyama, Norishige;
Uchida, Naoki;
Matsuzawa, Toru;
Nakamura, Wataru

Publication type:

Article

Spatial distribution of the faulting types of small earthquakes around the 2011 Tohoku-oki earthquake: A comprehensive search using template events.

Published in:

Journal of Geophysical Research. Solid Earth, 2016, v. 121, n. 4, p. 2591, doi. 10.1002/2015JB012584

By:

Nakamura, Wataru;
Uchida, Naoki;
Matsuzawa, Toru

Publication type:

Article

Postseismic response of repeating earthquakes around the 2011 Tohoku-oki earthquake: Moment increases due to the fast loading rate.

Published in:

Journal of Geophysical Research. Solid Earth, 2015, v. 120, n. 1, p. 259, doi. 10.1002/2013JB010933

By:

Uchida, Naoki;
Shimamura, Kouhei;
Matsuzawa, Toru;
Okada, Tomomi

Publication type:

Article

Seismic attenuation beneath northeastern Japan: Constraints on mantle dynamics and arc magmatism.

Published in:

Journal of Geophysical Research. Solid Earth, 2013, v. 118, n. 11, p. 5838, doi. 10.1002/2013JB010388

By:

Nakajima, Junichi;
Hada, Shuhei;
Hayami, Erika;
Uchida, Naoki;
Hasegawa, Akira;
Yoshioka, Shoichi;
Matsuzawa, Toru;
Umino, Norihito

Publication type:

Article

High-resolution seismic velocity structure beneath the Hokkaido corner, northern Japan: Arc-arc collision and origins of the 1970 M 6.7 Hidaka and 1982 M 7.1 Urakawa-oki earthquakes.

Published in:

Journal of Geophysical Research. Solid Earth, 2012, v. 117, n. B12, p. n/a, doi. 10.1029/2012JB009356

By:

Kita, Saeko;
Hasegawa, Akira;
Nakajima, Junichi;
Okada, Tomomi;
Matsuzawa, Toru;
Katsumata, Kei

Publication type:

Article

Subduction of a wedge-shaped Philippine Sea plate beneath Kanto, central Japan, estimated from converted waves and small repeating earthquakes.

Published in:

Journal of Geophysical Research. Solid Earth, 2010, v. 115, n. B7, p. n/a, doi. 10.1029/2009JB006962

By:

Uchida, Naoki;
Matsuzawa, Toru;
Nakajima, Junichi;
Hasegawa, Akira

Publication type:

Article

Repeating earthquakes and interplate aseismic slip in the northeastern Japan subduction zone.

Published in:

Journal of Geophysical Research. Solid Earth, 2003, v. 108, n. B5, p. n/a, doi. 10.1029/2002JB001920

By:

Igarashi, Toshihiro;
Matsuzawa, Toru;
Hasegawa, Akira

Publication type:

Article

Source parameters of a M4.8 and its accompanying repeating earthquakes off Kamaishi, NE Japan: Implications for the hierarchical structure of asperities and earthquake cycle.

Published in:

Geophysical Research Letters, 2007, v. 34, n. 20, p. n/a, doi. 10.1029/2007GL031263

By:

Uchida, Naoki;
Matsuzawa, Toru;
Ellsworth, William L.;
Imanishi, Kazutoshi;
Okada, Tomomi;
Hasegawa, Akira

Publication type:

Article

Anomalous deepening of a belt of intraslab earthquakes in the Pacific slab crust under Kanto, central Japan: Possible anomalous thermal shielding, dehydration reactions, and seismicity caused by shallower cold slab material.

Published in:

Geophysical Research Letters, 2007, v. 34, n. 9, p. n/a, doi. 10.1029/2007GL029616

By:

Hasegawa, Akira;
Nakajima, Junichi;
Kita, Saeko;
Okada, Tomomi;
Matsuzawa, Toru;
Kirby, Stephen H.

Publication type:

Article

Triggered non-similar slip events on repeating earthquake asperities: Results from 3D numerical simulations based on a friction law.

Published in:

Geophysical Research Letters, 2007, v. 34, n. 2, p. n/a, doi. 10.1029/2006GL028323

By:

Ariyoshi, Keisuke;
Matsuzawa, Toru;
Hino, Ryota;
Hasegawa, Akira

Publication type:

Article

Existence of a seismic belt in the upper plane of the double seismic zone extending in the along-arc direction at depths of 70-100 km beneath NE Japan.

Published in:

Geophysical Research Letters, 2006, v. 33, n. 24, p. n/a, doi. 10.1029/2006GL028239

By:

Kita, Saeko;
Okada, Tomomi;
Nakajima, Junichi;
Matsuzawa, Toru;
Hasegawa, Akira

Publication type:

Article

The 2005 M7.2 MIYAGI-OKI earthquake, NE Japan: Possible rerupturing of one of asperities that caused the previous M7.4 earthquake.

Published in:

Geophysical Research Letters, 2005, v. 32, n. 24, p. n/a, doi. 10.1029/2005GL024613

By:

Okada, Tomomi;
Yaginuma, Tadashi;
Umino, Norihito;
Kono, Toshio;
Matsuzawa, Toru;
Kita, Saeko;
Hasegawa, Akira

Publication type:

Article

Interplate quasi-static slip off Sanriku, NE Japan, estimated from repeating earthquakes.

Published in:

Geophysical Research Letters, 2003, v. 30, n. 15, p. n/a, doi. 10.1029/2003GL017452

By:

Uchida, Naoki;
Matsuzawa, Toru;
Hasegawa, Akira;
Igarashi, Toshihiro

Publication type:

Article

Characteristic small-earthquake sequence off Sanriku, northeastern Honshu, Japan.

Published in:

Geophysical Research Letters, 2002, v. 29, n. 11, p. 38-1, doi. 10.1029/2001GL014632

By:

Matsuzawa, Toru;
Igarashi, Toshihiro;
Hasegawa, Akira

Publication type:

Article

Tohoku rupture reloaded?

Published in:

Nature Geoscience, 2016, v. 9, n. 3, p. 183, doi. 10.1038/ngeo2649

By:

Bürgmann, Roland;
Uchida, Naoki;
Hu, Yan;
Matsuzawa, Toru

Publication type:

Article

Quantitative relationship between aseismic slip propagation speed and frictional properties.

Published in:

Geophysical Research Abstracts, 2019, v. 21, p. 1

By:

Ariyoshi, Keisuke;
Ampuero, Jean-Paul;
Burgmann, Roland;
Matsuzawa, Toru;
Hasegawa, Akira;
Hino, Ryota;
Hori, Takane

Publication type:

Article

The detectability of shallow slow earthquakes by the Dense Oceanfloor Network system for Earthquakes and Tsunamis (DONET) in Tonankai district, Japan.

Published in:

Marine Geophysical Research, 2014, v. 35, n. 3, p. 295, doi. 10.1007/s11001-013-9192-6

By:

Ariyoshi, Keisuke;
Nakata, Ryoko;
Matsuzawa, Toru;
Hino, Ryota;
Hori, Takane;
Hasegawa, Akira;
Kaneda, Yoshiyuki

Publication type:

Article

Stress field in northeastern Japan and its relationship with faults of recent earthquakes.

Published in:

Earth, Planets & Space, 2024, v. 76, n. 1, p. 1, doi. 10.1186/s40623-024-01986-w

By:

Tagami, Ayaka;
Matsuno, Miu;
Okada, Tomomi;
Sakai, Shin'ichi;
Ohzono, Mako;
Katsumata, Kei;
Kosuga, Masahiro;
Yamanaka, Yoshiko;
Katao, Hiroshi;
Matsushima, Takeshi;
Yakiwara, Hiroshi;
Hirahara, Satoshi;
Kono, Toshio;
Hori, Shu'ichiro;
Matsuzawa, Toru;
Kimura, Shuutoku;
Nakayama, Takashi

Publication type:

Article

Shear wave splitting and seismic velocity structure in the focal area of the earthquake swarm and their relation with earthquake swarm activity in the Noto Peninsula, central Japan.

Published in:

Earth, Planets & Space, 2024, v. 76, n. 1, p. 1, doi. 10.1186/s40623-024-01974-0

By:

Okada, Tomomi;
Savage, Martha K.;
Sakai, Shin'ichi;
Yoshida, Keisuke;
Uchida, Naoki;
Takagi, Ryota;
Kimura, Shuutoku;
Hirahara, Satoshi;
Tagami, Ayaka;
Fujimura, Ryotaro;
Matsuzawa, Toru;
Kurashimo, Eiji;
Hiramatsu, Yoshihiro

Publication type:

Article

Three-dimensional structure of V p, V s, and V p/ V s beneath northeastern Japan: Implications for arc magmatism and fluids.

Published in:

Journal of Geophysical Research. Solid Earth, 2001, v. 106, n. B10, p. 21843, doi. 10.1029/2000JB000008

By:

Nakajima, Junichi;
Matsuzawa, Toru;
Hasegawa, Akira;
Zhao, Dapeng

Publication type:

Article

Spatial distribution of focal mechanisms for interplate and intraplate earthquakes associated with the subducting Pacific plate beneath the northeastern Japan arc: A triple-planed deep seismic zone.

Published in:

Journal of Geophysical Research. Solid Earth, 2001, v. 106, n. B2, p. 2177, doi. 10.1029/2000JB900386

By:

Igarashi, Toshihiro;
Matsuzawa, Toru;
Umino, Norihito;
Hasegawa, Akira

Publication type:

Article