Coseismic deformation and slip distribution for 2011 Tohoku-Oki Mw 9.0 earthquake: Constrained by GPS and InSAR

Caijun Xu; Ping He; Yangmao Wen; Lei Zhang

Coseismic deformation and slip distribution for 2011 Tohoku-Oki Mw 9.0 earthquake: Constrained by GPS and InSAR

Caijun Xu, Ping He, Yangmao Wen, Lei Zhang

Research output: Journal article publication › Journal article › Academic research › peer-review

Abstract

A Mw 9.0 earthquake occurred in the Tohoku-Oki of Japan in 2011. The coseismal deformation observation from GPS and InSAR meanings were used to inverse the slip distribution of the earthquake. Firstly, six ascending ALOS/PALSAR tracks and three descending Envisat/ASAR tracks that cover most of northeastern Japan were processing by two-pass interferometric synthetic aperture radar (InSAR) to obtain acoseismic deformation results, which are calibrated by GPS data. Secondly, the rectangle dislocation models in elastic half-space were used to derive the kinematic characteristic of the earthquake fault combining with GPS and InSAR data. The inversion result indicates that the fault slip concentrates mainly in the depth between 40 km and 50 km, the maximum slip is about 50.3 m, the geodetic moment is 3.197×1022N\5m(Mw 8.94).

Original language	English
Pages (from-to)	1387-1391
Number of pages	5
Journal	Wuhan Daxue Xuebao (Xinxi Kexue Ban)/Geomatics and Information Science of Wuhan University
Volume	37
Issue number	12
Publication status	Published - 1 Dec 2012

Keywords

Coseismal deformation
GPS
InSAR
Slip distribution inversion
Tohoku-Oki earthquake

ASJC Scopus subject areas

Computer Science (miscellaneous)
Earth-Surface Processes

Cite this

@article{7719544ff1a44b82a435dc0803760a08,

title = "Coseismic deformation and slip distribution for 2011 Tohoku-Oki Mw 9.0 earthquake: Constrained by GPS and InSAR",

abstract = "A Mw 9.0 earthquake occurred in the Tohoku-Oki of Japan in 2011. The coseismal deformation observation from GPS and InSAR meanings were used to inverse the slip distribution of the earthquake. Firstly, six ascending ALOS/PALSAR tracks and three descending Envisat/ASAR tracks that cover most of northeastern Japan were processing by two-pass interferometric synthetic aperture radar (InSAR) to obtain acoseismic deformation results, which are calibrated by GPS data. Secondly, the rectangle dislocation models in elastic half-space were used to derive the kinematic characteristic of the earthquake fault combining with GPS and InSAR data. The inversion result indicates that the fault slip concentrates mainly in the depth between 40 km and 50 km, the maximum slip is about 50.3 m, the geodetic moment is 3.197×1022N\5m(Mw 8.94).",

keywords = "Coseismal deformation, GPS, InSAR, Slip distribution inversion, Tohoku-Oki earthquake",

author = "Caijun Xu and Ping He and Yangmao Wen and Lei Zhang",

year = "2012",

month = dec,

day = "1",

language = "English",

volume = "37",

pages = "1387--1391",

journal = "Wuhan Daxue Xuebao (Xinxi Kexue Ban)/Geomatics and Information Science of Wuhan University",

issn = "1000-050X",

publisher = "Wuhan University",

number = "12",

}

Coseismic deformation and slip distribution for 2011 Tohoku-Oki Mw 9.0 earthquake: Constrained by GPS and InSAR. / Xu, Caijun; He, Ping; Wen, Yangmao et al.

In: Wuhan Daxue Xuebao (Xinxi Kexue Ban)/Geomatics and Information Science of Wuhan University, Vol. 37, No. 12, 01.12.2012, p. 1387-1391.

Research output: Journal article publication › Journal article › Academic research › peer-review

TY - JOUR

T1 - Coseismic deformation and slip distribution for 2011 Tohoku-Oki Mw 9.0 earthquake: Constrained by GPS and InSAR

AU - Xu, Caijun

AU - He, Ping

AU - Wen, Yangmao

AU - Zhang, Lei

PY - 2012/12/1

Y1 - 2012/12/1

N2 - A Mw 9.0 earthquake occurred in the Tohoku-Oki of Japan in 2011. The coseismal deformation observation from GPS and InSAR meanings were used to inverse the slip distribution of the earthquake. Firstly, six ascending ALOS/PALSAR tracks and three descending Envisat/ASAR tracks that cover most of northeastern Japan were processing by two-pass interferometric synthetic aperture radar (InSAR) to obtain acoseismic deformation results, which are calibrated by GPS data. Secondly, the rectangle dislocation models in elastic half-space were used to derive the kinematic characteristic of the earthquake fault combining with GPS and InSAR data. The inversion result indicates that the fault slip concentrates mainly in the depth between 40 km and 50 km, the maximum slip is about 50.3 m, the geodetic moment is 3.197×1022N\5m(Mw 8.94).

AB - A Mw 9.0 earthquake occurred in the Tohoku-Oki of Japan in 2011. The coseismal deformation observation from GPS and InSAR meanings were used to inverse the slip distribution of the earthquake. Firstly, six ascending ALOS/PALSAR tracks and three descending Envisat/ASAR tracks that cover most of northeastern Japan were processing by two-pass interferometric synthetic aperture radar (InSAR) to obtain acoseismic deformation results, which are calibrated by GPS data. Secondly, the rectangle dislocation models in elastic half-space were used to derive the kinematic characteristic of the earthquake fault combining with GPS and InSAR data. The inversion result indicates that the fault slip concentrates mainly in the depth between 40 km and 50 km, the maximum slip is about 50.3 m, the geodetic moment is 3.197×1022N\5m(Mw 8.94).

KW - Coseismal deformation

KW - GPS

KW - InSAR

KW - Slip distribution inversion

KW - Tohoku-Oki earthquake

UR - http://www.scopus.com/inward/record.url?scp=84873270554&partnerID=8YFLogxK

M3 - Journal article

SN - 1000-050X

VL - 37

SP - 1387

EP - 1391

JO - Wuhan Daxue Xuebao (Xinxi Kexue Ban)/Geomatics and Information Science of Wuhan University

JF - Wuhan Daxue Xuebao (Xinxi Kexue Ban)/Geomatics and Information Science of Wuhan University

IS - 12

ER -

Coseismic deformation and slip distribution for 2011 Tohoku-Oki Mw 9.0 earthquake: Constrained by GPS and InSAR

Abstract

Keywords

ASJC Scopus subject areas

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