The scientist’s investigation covers issues in Seismology, Subduction, Intraplate earthquake, Plate tectonics and Interplate earthquake. As part of his studies on Seismology, he often connects relevant areas like Crust. His studies deal with areas such as Volcano, Plane, Petrology and Mantle as well as Crust.
Toru Matsuzawa studied Plate tectonics and Seismogram that intersect with Arc, P-wave and Geodesy. His work focuses on many connections between Interplate earthquake and other disciplines, such as Earthquake swarm, that overlap with his field of interest in Earthquake prediction. As a part of the same scientific study, Toru Matsuzawa usually deals with the Hypocenter, concentrating on Mantle wedge and frequently concerns with Magmatism.
His primary areas of investigation include Seismology, Subduction, Aftershock, Interplate earthquake and Plate tectonics. The concepts of his Seismology study are interwoven with issues in Slab and Crust. His Crust research incorporates elements of Volcano, Seismic velocity, Underplating, Mantle and Oceanic crust.
Many of his studies on Subduction involve topics that are commonly interrelated, such as Asperity. His study explores the link between Aftershock and topics such as Focal mechanism that cross with problems in Plane. His work carried out in the field of Interplate earthquake brings together such families of science as Seismic gap, Earthquake swarm and Episodic tremor and slip.
His scientific interests lie mostly in Seismology, Aftershock, Stress field, Fault and Bay. His study on Seismology is mostly dedicated to connecting different topics, such as Arc. His work deals with themes such as Range and Pacific Plate, which intersect with Arc.
His studies in Aftershock integrate themes in fields like Pore water pressure and Stress change. His Pore water pressure course of study focuses on Foreshock and Plate tectonics and Crust. His study looks at the relationship between Stress field and topics such as Differential stress, which overlap with Magnitude.
Toru Matsuzawa mostly deals with Seismology, Aftershock, Induced seismicity, Fault and Intraplate earthquake. His Seismology study frequently intersects with other fields, such as Slab. As a member of one scientific family, he mostly works in the field of Aftershock, focusing on Focal mechanism and, on occasion, Magnitude and P-wave.
Toru Matsuzawa has included themes like Microseism, Stress field, Seismogram and Seismic velocity in his Induced seismicity study. His work investigates the relationship between Fault and topics such as Pore water pressure that intersect with problems in Crust and Plate tectonics. His Intraplate earthquake research focuses on Hypocenter and how it connects with Stress change, Earthquake swarm, Strike-slip tectonics and Island arc.
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Three‐dimensional structure of Vp, Vs, and Vp/Vs beneath northeastern Japan: Implications for arc magmatism and fluids
Junichi Nakajima;Toru Matsuzawa;Akira Hasegawa;Dapeng Zhao.
Journal of Geophysical Research (2001)
Repeating earthquakes and interplate aseismic slip in the northeastern Japan subduction zone
Toshihiro Igarashi;Toshihiro Igarashi;Toru Matsuzawa;Akira Hasegawa.
Journal of Geophysical Research (2003)
Upper mantle velocity structure estimated from PS- converted wave beneath the north-eastern Japan Arc
Toru Matsuzawa;Norihito Umino;Akira Hasegawa;Akio Takagi.
Geophysical Journal International (1986)
Characteristic small‐earthquake sequence off Sanriku, northeastern Honshu, Japan
Toru Matsuzawa;Toshihiro Igarashi;Toshihiro Igarashi;Akira Hasegawa.
Geophysical Research Letters (2002)
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
Toshihiro Igarashi;Toru Matsuzawa;Norihito Umino;Akira Hasegawa.
Journal of Geophysical Research (2001)
MORPHOLOGY OF THE SUBDUCTING SLAB BOUNDARY IN THE NORTHEASTERN JAPAN ARC
Dapeng Zhao;Toru Matsuzawa;Akira Hasegawa.
Physics of the Earth and Planetary Interiors (1997)
Anomalous deepening of a seismic belt in the upper-plane of the double seismic zone in the Pacific slab beneath the Hokkaido corner: Possible evidence for thermal shielding caused by subducted forearc crust materials
Saeko Kita;Tomomi Okada;Akira Hasegawa;Junichi Nakajima.
Earth and Planetary Science Letters (2010)
Interplate quasi‐static slip off Sanriku, NE Japan, estimated from repeating earthquakes
Naoki Uchida;Toru Matsuzawa;Akira Hasegawa;Toshihiro Igarashi.
Geophysical Research Letters (2003)
sP depth phase at small epicentral distances and estimated subducting plate boundary
Norihito Umino;Akira Hasegawa;Toru Matsuzawa.
Geophysical Journal International (1995)
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
Saeko Kita;Tomomi Okada;Junichi Nakajima;Toru Matsuzawa.
Geophysical Research Letters (2006)
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