Coseismic and Postseismic Displacement of 2011 Mw 6.8 Tarlay Earthquake, Myanmar using InSAR Techniques and Inversion Analysis | Zendy

Pattama Phodee | Zendy; Itthi Trisirisatayawong | Zendy; Anuphao Aobpaet | Zendy

Open Access

Coseismic and Postseismic Displacement of 2011 Mw 6.8 Tarlay Earthquake, Myanmar using InSAR Techniques and Inversion Analysis

Author(s) -

Pattama Phodee,

Itthi Trisirisatayawong,

Anuphao Aobpaet

Publication year - 2015

Publication title -

engineering journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.246

H-Index - 20

ISSN - 0125-8281

DOI - 10.4186/ej.2015.19.2.157

Subject(s) - interferometric synthetic aperture radar , seismology , geology , displacement (psychology) , geodesy , inversion (geology) , remote sensing , synthetic aperture radar , tectonics , psychology , psychotherapist

In this study, we investigate the March 24th 2011 Mw=6.8 Tarlay earthquake, Myanmar using Interferometric Synthetic Aperture Radar (InSAR) and inversion analysis. We firstly invert InSAR coseismic displacement from our previous study. The inversions are carried out in both single and multi-patch model. The coseismic slip of 2.5 meter from single-patch solution is then combined with long-term slip rate from geomorphological study, resulting in an estimate of 1,140-4,160 years recurrence period. Then, coulomb stress changes on nearby faults in northern Thailand are calculated. It is found that stress in western and middle segments of Mae Chan fault decreases significantly while stress increase in eastern segment of Mae Chan, Mae Ing and Chiang Kham fault. Finally, the results from PSInSAR of 29 Radarsat-2 images reveal postseismic displacement rates between -24.4.6 to 34.5 millimeters per year

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