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Hisashi NAKAHARA
Hisashi NAKAHARA
Associate Professor, Tohoku University
Adresse e-mail validée de tohoku.ac.jp
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Sudden drop of seismic velocity after the 2004 Mw 6.6 mid‐Niigata earthquake, Japan, observed with Passive Image Interferometry
U Wegler, H Nakahara, C Sens‐Schönfelder, M Korn, K Shiomi
Journal of Geophysical Research: Solid Earth 114 (B6), 2009
1722009
Time-lapse changes of seismic velocity in the shallow ground caused by strong ground motion shock of the 2000 Western-Tottori earthquake, Japan, as revealed from coda …
K Sawazaki, H Sato, H Nakahara, T Nishimura
Bulletin of the Seismological Society of America 99 (1), 352-366, 2009
1492009
Coseismic and postseismic elastic wave velocity variations caused by the 2008 Iwate‐Miyagi Nairiku earthquake, Japan
M Hobiger, U Wegler, K Shiomi, H Nakahara
Journal of Geophysical Research: Solid Earth 117 (B9), 2012
1172012
Extension of the spatial autocorrelation (SPAC) method to mixed-component correlations of surface waves
MM Haney, TD Mikesell, K van Wijk, H Nakahara
Geophysical Journal International 191 (1), 189-206, 2012
962012
Scattering attenuation and intrinsic absorption using uniform and depth dependent model–Application to full seismogram envelope recorded in Northern Chile
M Hoshiba, A Rietbrock, F Scherbaum, H Nakahara, C Haberland
Journal of seismology 5 (2), 157-179, 2001
892001
Seismogram envelope inversion for the spatial distribution of high‐frequency energy radiation from the earthquake fault: Application to the 1994 far east off Sanriku earthquake …
H Nakahara, T Nishimura, H Sato, M Ohtake
Journal of Geophysical Research: Solid Earth 103 (B1), 855-867, 1998
821998
A systematic study of theoretical relations between spatial correlation and Green's function in one-, two-and three-dimensional random scalar wavefields
H Nakahara
Geophysical Journal International 167 (3), 1097-1105, 2006
802006
Temporal change in site response caused by earthquake strong motion as revealed from coda spectral ratio measurement
K Sawazaki, H Sato, H Nakahara, T Nishimura
Geophysical research letters 33 (21), 2006
802006
Temporal changes in seismic velocity of the crust around Iwate volcano, Japan, as inferred from analyses of repeated active seismic experiment data from 1998 to 2003
T Nishimura, S Tanaka, T Yamawaki, H Yamamoto, T Sano, M Sato, ...
Earth, planets and space 57 (6), 491-505, 2005
782005
Single-station cross-correlation analysis of ambient seismic noise: application to stations in the surroundings of the 2008 Iwate-Miyagi Nairiku earthquake
M Hobiger, U Wegler, K Shiomi, H Nakahara
Geophysical Journal International 198 (1), 90-109, 2014
692014
Coseismic velocity change in and around the focal region of the 2008 Iwate‐Miyagi Nairiku earthquake
R Takagi, T Okada, H Nakahara, N Umino, A Hasegawa
Journal of Geophysical Research: Solid Earth 117 (B6), 2012
652012
Coseismic and post-seismic velocity changes detected by Passive Image Interferometry: comparison of one great and five strong earthquakes in Japan
M Hobiger, U Wegler, K Shiomi, H Nakahara
Geophysical Journal International 205 (2), 1053-1073, 2016
632016
Synthesis of scattered energy density for nonspherical radiation from a point shear-dislocation source based on the radiative transfer theory
H Sato, H Nakahara, M Ohtake
Physics of the earth and planetary interiors 104 (1-3), 1-13, 1997
551997
Seismic velocity changes caused by the Earth tide: Ambient noise correlation analyses of small‐array data
T Takano, T Nishimura, H Nakahara, Y Ohta, S Tanaka
Geophysical Research Letters 41 (17), 6131-6136, 2014
532014
Source location of volcanic earthquakes and subsurface characterization using fiber-optic cable and distributed acoustic sensing system
T Nishimura, K Emoto, H Nakahara, S Miura, M Yamamoto, S Sugimura, ...
Scientific reports 11 (1), 1-12, 2021
452021
Formulation of the spatial autocorrelation (SPAC) method in dissipative media
H Nakahara
Geophysical Journal International 190 (3), 1777-1783, 2012
412012
Seasonality of great earthquake occurrence at the northwestern margin of the Philippine Sea Plate
M Ohtake, H Nakahara
Pure and Applied Geophysics 155 (2), 689-700, 1999
401999
Seismogram envelope inversion for high‐frequency seismic energy radiation from moderate‐to‐large earthquakes
H Nakahara
Advances in Geophysics 50, 401-426, 2008
372008
Maximum-Likelihood Method for Estimating Coda Q and the Nakagami-m Parameter
H Nakahara, E Carcolé
Bulletin of the Seismological Society of America 100 (6), 3174-3182, 2010
352010
Broadband source process of the 1998 Iwate prefecture, Japan, earthquake as revealed from inversion analyses of seismic waveforms and envelopes
H Nakahara, T Nishimura, H Sato, M Ohtake, S Kinoshita, H Hamaguchi
Bulletin of the Seismological Society of America 92 (5), 1708-1720, 2002
352002
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