Akira Hasegawa


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Person Info

NAME

Akira

SURNAME

Hasegawa

Publications in SciGraph latest 50 shown

  • 2019-03 Heterogeneities in Stress and Strength in Tohoku and Its Relationship with Earthquake Sequences Triggered by the 2011 M9 Tohoku-Oki Earthquake in PURE AND APPLIED GEOPHYSICS
  • 2017-12 Seismic imaging of slab metamorphism and genesis of intermediate-depth intraslab earthquakes in PROGRESS IN EARTH AND PLANETARY SCIENCE
  • 2016-12-19 Tremor activity inhibited by well-drained conditions above a megathrust in NATURE COMMUNICATIONS
  • 2016-12 Suppression of radiation-induced point defects by rhenium and osmium interstitials in tungsten in SCIENTIFIC REPORTS
  • 2015-12 Preceding seismic activity and slow slip events in the source area of the 2011 Mw 9.0 Tohoku-Oki earthquake: a review in GEOSCIENCE LETTERS
  • 2014-12 Helium anomalies suggest a fluid pathway from mantle to trench during the 2011 Tohoku-Oki earthquake in NATURE COMMUNICATIONS
  • 2014-12 A trial derivation of seismic plate coupling by focusing on the activity of shallow slow earthquakes in EARTH, PLANETS AND SPACE
  • 2014-12 Seismic velocity structure in and around the Naruko volcano, NE Japan, and its implications for volcanic and seismic activities in EARTH, PLANETS AND SPACE
  • 2014-12 Pore pressure distribution in the focal region of the 2008 M7.2 Iwate-Miyagi Nairiku earthquake in EARTH, PLANETS AND SPACE
  • 2014-09 The detectability of shallow slow earthquakes by the Dense Oceanfloor Network system for Earthquakes and Tsunamis (DONET) in Tonankai district, Japan in MARINE GEOPHYSICAL RESEARCH
  • 2013 Application of Vector-Type Super Computer to Understanding Giant Earthquakes and Aftershocks on Subduction Plate Boundaries in SUSTAINED SIMULATION PERFORMANCE 2012
  • 2012-09 Hypocenter distribution and heterogeneous seismic velocity structure in and around the focal area of the 2008 Iwate-Miyagi Nairiku Earthquake, NE Japan—Possible seismological evidence for a fluid driven compressional inversion earthquake in EARTH, PLANETS AND SPACE
  • 2012-08 Migration process of very low-frequency events based on a chain-reaction model and its application to the detection of preseismic slip for megathrust earthquakes in EARTH, PLANETS AND SPACE
  • 2011-12 Large intraslab earthquake (2011 April 7, M 7.1) after the 2011 off the Pacific coast of Tohoku Earthquake (M 9.0): Coseismic fault model based on the dense GPS network data in EARTH, PLANETS AND SPACE
  • 2011-07 Nearly complete stress drop in the 2011 Mw 9.0 off the Pacific coast of Tohoku Earthquake in EARTH, PLANETS AND SPACE
  • 2011-07 Shallow inland earthquakes in NE Japan possibly triggered by the 2011 off the Pacific coast of Tohoku Earthquake in EARTH, PLANETS AND SPACE
  • 2011-06 Call for Papers: Special Issue of Earth, Planets and Space (EPS) “The 2011 Tohoku Earthquake” in EARTH, PLANETS AND SPACE
  • 2010-03 Deep structure of the Ou mountain range strain concentration zone and the focal area of the 2008 Iwate-Miyagi Nairiku earthquake, NE Japan—seismogenesis related with magma and crustal fluid in EARTH, PLANETS AND SPACE
  • 2008-11 Coseismic and postseismic deformation related to the 2007 Chuetsu-oki, Niigata Earthquake in EARTH, PLANETS AND SPACE
  • 2008-11 Postseismic slip associated with the 2007 Chuetsu-oki, Niigata, Japan, Earthquake (M 6.8 on 16 July 2007) as inferred from GPS data in EARTH, PLANETS AND SPACE
  • 2008-11 Existence of low-velocity zones under the source areas of the 2004 Chuetsu and 2007 Chuetsu-oki earthquakes inferred from travel-time tomography in EARTH, PLANETS AND SPACE
  • 2007-02 Deep crustal structure along the Niigata-Kobe Tectonic Zone, Japan: Its origin and segmentation in EARTH, PLANETS AND SPACE
  • 2006-12 Introduction to the special section for the 2005 M7.2 Miyagi-oki earthquake in EARTH, PLANETS AND SPACE
  • 2006-12 Coseismic slip distribution of the 2005 off Miyagi earthquake (M7.2) estimated by inversion of teleseismic and regional seismograms in EARTH, PLANETS AND SPACE
  • 2006-12 Co- and post-seismic slip associated with the 2005 Miyagi-oki earthquake (M7.2) as inferred from GPS data in EARTH, PLANETS AND SPACE
  • 2006-12 Small repeating earthquakes and interplate creep around the 2005 Miyagi-oki earthquake (M=7.2) in EARTH, PLANETS AND SPACE
  • 2006-12 Revisiting the three M~7 Miyagi-oki earthquakes in the 1930s: possible seismogenic slip on asperities that were re-ruptured during the 1978 M=7.4 Miyagi-oki earthquake in EARTH, PLANETS AND SPACE
  • 2006-07 Crustal heterogeneity around the Nagamachi-Rifu fault, northeastern Japan, as inferred from travel-time tomography in EARTH, PLANETS AND SPACE
  • 2005-11 Three-dimensional structure of Vp, Vs and Vp/Vs in the upper crust of the Marmara region, NW Turkey in EARTH, PLANETS AND SPACE
  • 2005-05 Aftershock distribution and 3D seismic velocity structure in and around the focal area of the 2004 mid Niigata prefecture earthquake obtained by applying double-difference tomography to dense temporary seismic network data in EARTH, PLANETS AND SPACE
  • 2004-12 Strain concentration zone along the volcanic front derived by GPS observations in NE Japan arc in EARTH, PLANETS AND SPACE
  • 2004-12 Moho and Philippine Sea plate structure beneath central Honshu Island, Japan, from teleseismic receiver functions in EARTH, PLANETS AND SPACE
  • 2004-08 Repeating earthquakes and quasi-static slip on the plate boundary east off northern Honshu, Japan in EARTH, PLANETS AND SPACE
  • 2004-02 Slip distribution of the 2003 northern Miyagi earthquake (M6.4) deduced from geodetic inversion in EARTH, PLANETS AND SPACE
  • 2004-02 Introduction to EPS special section for the M7.1 and M6.4 earthquakes in northeastern Japan in EARTH, PLANETS AND SPACE
  • 2003-12 The M7.1 May 26, 2003 off-shore Miyagi Prefecture Earthquake in northeast Japan: Source process and aftershock distribution of an intra-slab event in EARTH, PLANETS AND SPACE
  • 2003-12 Hypocenter and focal mechanism distributions of aftershocks of July 26 2003 M6.4 northern Miyagi, NE Japan, earthquake revealed by temporary seismic observation in EARTH, PLANETS AND SPACE
  • 2003-12 Rupture process of the July 2003 northern Miyagi earthquake sequence, NE Japan, estimated from double-difference hypocenter locations in EARTH, PLANETS AND SPACE
  • 2002-11 Distinct S-wave reflectors (bright spots) detected beneath the Nagamachi-Rifu fault, NE Japan in EARTH, PLANETS AND SPACE
  • 2002-11 Tectonic evolution and deep to shallow geometry of Nagamachi-Rifu Active Fault System, NE Japan in EARTH, PLANETS AND SPACE
  • 2002-11 Strain accumulation in and around Ou Backbone Range, northeastern Japan as observed by a dense GPS network in EARTH, PLANETS AND SPACE
  • 2002-11 Estimation of deep fault geometry of the Nagamachi-Rifu fault from seismic array observations in EARTH, PLANETS AND SPACE
  • 2002-05 Temporal Variations of Seismic Wave Velocity Associated with 1998 M6.1 Shizukuishi Earthquake in PURE AND APPLIED GEOPHYSICS
  • 1998-12 Three-dimensional Mapping of Magma Source and Transport Regions from Seismic Data: The Mantle Wedge beneath Northeastern Japan in PURE AND APPLIED GEOPHYSICS
  • 1998-05 A real time processing system of seismic waves using personal computers — Function and characteristics in EARTHQUAKE SCIENCE
  • 1998 Three-dimensional Mapping of Magma Source and Transport Regions from Seismic Data: The Mantle Wedge beneath Northeastern Japan in Q OF THE EARTH: GLOBAL, REGIONAL, AND LABORATORY STUDIES
  • 1997-11 Crustal structure and accurate hypocenter determination along the Longmenshan fault zone in EARTHQUAKE SCIENCE
  • 1997-05 Attenuation of coda waves and Qc value beneath the Chengdu telemetered seismic network in EARTHQUAKE SCIENCE
  • 1985 Seismicity in the Northeastern Japan Arc and Seismicity Patterns before Large Earthquakes in PRACTICAL APPROACHES TO EARTHQUAKE PREDICTION AND WARNING
  • 1981 fBands in Lanthanium Compounds in ELECTRON CORRELATION AND MAGNETISM IN NARROW-BAND SYSTEMS
  • Affiliations

  • Tohoku University (current)
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