Slip distribution of the 2008 WenchuanMs 7.9 earthquake by joint inversion from GPS and InSAR measurements: A resolution test study

Geophysical Journal International

Volumn 186, Issue 1, 2011, Pages 207-220

  Zhang, Guohong ^a   Qu, Chunyan ^a   Shan, Xinjian ^a   Song, Xiaogang ^a   Zhang, Guifang ^a   Wang, Chisheng ^a   Hu, Jyr Ching ^a   Wang, Rongjiang ^a  

^a INSTITUTE OF GEOLOGY   (China)

Author keywords

Kinematics of crustal and mantle deformation; Radar interferometry; Transient deformation

Indexed keywords

DEPTH RANGE; DEPTH RESOLUTION; DISCRETIZATIONS; EPICENTRE; GEODETIC DATA; GPS DATA; HALF-SPACE; INFLUENTIAL FACTORS; JOINT INVERSION; LAYERED ELASTIC MODEL; LINEAR INVERSION; MANTLE DEFORMATION; RADAR INTERFEROMETRY; RESOLUTION TESTS; SLIP DISTRIBUTION; SLIP MODEL; SOURCE MODELS; THRUST SLIP; TRANSIENT DEFORMATION;

DEFORMATION; EARTHQUAKES; INTERFEROMETRY;

GEODETIC SATELLITES;

CRUSTAL STRUCTURE; DEFORMATION; GPS; KINEMATICS; MANTLE STRUCTURE; RADAR INTERFEROMETRY; SICHUAN EARTHQUAKE 2008; STRIKE-SLIP FAULT; SYNTHETIC APERTURE RADAR; THRUST;

EID: 79959268036     PISSN: 0956540X     EISSN: 1365246X     Source Type: Journal    
DOI: 10.1111/j.1365-246X.2011.05039.x     Document Type: Article

References (41)

1. Bassin, C., Laske, G. & Masters, G., 2000. The current limits of resolution for surface wave tomography in North America, EOS, Trans. Am. geophys. Un., 81, F897.
2. Beresnev, I.A., 2003. Uncertainties in finite-fault slip inversions: to what extent to believe Bull. seism. Soc. Am., 93(6), 2445-2458.
3. Burchfiel, B.C., 2008. A geological and geophysical context for the Wenchuan earthquake of 12 May 2008, Sichuan, People's Republic of China, GSA Today, 18(7), doi:.
4. Chen, Y.T., Xu, L.S., Zhang, Y., Du, H. L., Feng, W. P., Liu, C. & Li, C., L., 2008. The report of source characteristics of the May 12, 2008 Wenchuan earthquake. Earthquake Information Center, China Earthquake Administration. Available at: .
5. Chen, J.H., Liu, Q.Y., Li, S.C., Guo, B., Li, Y., Wang, J. & Qi, S. H., 2009. Seismotectonic study by relocation of the Wenchuan Ms8.0 earthquake sequence, Chin. J. Geophys., 52(2), 390-397 (in Chinese).
6. Delouis, B., Giardini, D., Lundgren, P. & Salichon, J., 2002. Joint inversion of InSAR, GPS, teleseismic, and strong-motion data for the spatial and temporal distribution of earthquake slip: application to the 1999 Izmit mainshock, Bull. seism. Soc. Am., 92(1), 278-299, doi:.
7. Feigl, K.L., Arnaud, S. & Dominique, J., 1995. Estimation of an earthquake focal mechanism from a satellite radar interferogram: application to the December 4, 1992, Landers after-shock, Geophys. Res. Lett., 22(9), 1037-1040.
8. Feigl, K.L. et al ., 2002. Estimating slip distribution for the İzmit mainshock from coseismic GPS, ERS-1, RADARSAT, and spot measurements, Bull. seism. Soc. Am., 92(1), 138-160, doi:.
9. Feng, G.C., Hetland, E.A., Ding, X., Li, Z. W. & Zhang, W., 2010. Coseismic fault slip of the 2008 Mw 7.9 Wenchuan earthquake estimated from InSAR and GPS measurements, Geophs. Res. Lett., 37, L01302, doi:.
10. Funning, G.J., Parsons, B. & Wright, T.J., 2007. Fault slip in the 1997 Manyi, Tibet earthquake from linear elastic modelling of InSAR displacements, Geophys. J. Int., 169(3), 988-1008, doi:.
11. Furuya M., Kobayashi, T., Takada, Y. & Murakami, M., 2010. Fault source modeling of the 2008 Wenchuan earthquake based on ALOS/PALSAR data, Bull. seism. Soc. Am., 100(5B), 2750-2766, doi: .
12. Hao, K.X., Si, H., Fujiwara, H. et al ., 2009. Coseismic surface-ruptures and crustal deformations of the 2008 Wenchuan earthquake Mw7.9, China, Geophs. Res. Lett., 36, L11303, doi:.
13. Huang, Y. et al ., 2008. Relocation of the M8.0 Wenchuan earthquake and its aftershock sequence, Sci. China Ser D: Earth Sci., 51(12), 1703-1711.
14. Ji, C. & Hayes, G., 2008. Preliminary result of the May 12, 2008 Mw 7.9 Eastern Sichuan, China earthquake, U.S. Geol. Surv., available at: (last accessed 2009 June 28).
15. Johnson, K.M., Ya-Ju, H., Segall, P. & Yu, S.-B., 2001. Fault geometry and slip distribution of the 1999 Chi-Chi, Taiwan earthquake imaged from inversion of GPS data, Geophys. Res. Lett., 28(11), 2285-2288.
16. Jónsson, S., Howard, Z., Segall, P. & Amelung, F., 2002. Fault slip distribution of the 1999 Mw7.1 Hector Mine, California, earthquake, estimated from satellite radar and GPS measurements, Bull. seism. Soc. Am., 92(4), 1377-1389.
17. King R.W & Bock, Y., 2004. Documentation for the GAMIT GPS Analysis Software, Release 10.2, Mass. Inst. of Technol., Cambridge, MA .
18. Liu, Q. Y., Li, Y., Chen, J. H., Guo, B., Li, S. C., Wang, J., Zhang X. Q. & Qi, S. H., 2009. Wenchuan Ms8.0 earthquake: preliminary study of the S-wave velocity structure of the crust and upper mantle, Chin. J. Geophyss. 52(2), 309-319 (in Chinese).
19. Lohman, R.B. & Simons, M., 2005. Some thoughts on the use of InSAR data to constrain models of surface deformation: noise structure and data downsampling, Geochem. Geophys. Geosyst., 6, Q01007, doi:.
20. Massonnet, D., Marc, R., Cesar, C., Adragna, F., Peltzer, G., Feigl, K. & Rabaute, T., 1993. The displacement field of the Landers earthquake mapped by radar interferometry, Nature, 364, 138-142, doi: .
21. Nakamura, T., Tsuboi, S., Keneda, Y. & Yamanaka, Y., 2009. Rupture process of the 2008 Wenchuan, China earthquake inferred from teleseismic waveform inversion and forward modeling of broadband seismic waves, Tectonophysics, 491, 72-84, doi:.
22. Okada, Y., 1992. Internal deformation due to shear and tensile fault in a half-space, Bull. seism. Soc. Am., 82(2), 1018-1040.
23. Parsons, T., Ji, C. & Kirby, E., 2008. Stress changes from the 2008 Wenchuan earthquake and increased hazard in the Sichuan basin, Nature, doi:.
24. Sandwell, D.T., Myer, D., Mellors, R., Shimada, M., Brooks, B. & Foster, J., 2008. Accuracy and resolution of alos interferometry: vector deformation maps of the Father's Day intrusion at Kilauea, IEEE Trans. Geosci. Remote Sens., 46, 3524-3534, doi:.
25. Shen, Z.K. et al ., 2009. Slip maxima at fault junctions and rupturing of barriers during the 2008 Wenchuan earthquake, Nat. Geosci., 2, 718-724, doi: .
26. Shimada, M., Ozawa, T., Fukushima, Y., Furuya, M. & Rosenqvist, A., 2008. Japanese l-band radar improves surface deformation monitoring, EOS, Trans. Am. geophys. Un. 89(31), doi:.
27. Simons, M., Yuri, F. & Luis, R., 2002. Coseismic deformation from the 1999 Mw 7.1 Hector Mine, California, earthquake as inferred from InSAR and GPS observations, Bull. seism. Soc. Am., 92(4), 1390-1402, doi:.
28. Toda, S., Lin, J., Meghraoui, M. & Stein, R. S., 2008. 12 May 2008 M-7.9 Wenchuan, China, earthquake calculated to increase failure stress and seismicity rate on three major fault systems, Geophys. Res. Lett., 35, L17305, doi:.
29. Tong, X., Sandwell, D.T. & Fialko, Y., 2010, Coseismic slip model of the 2008 Wenchuan earthquake derived from joint inversion of interferometric synthetic aperture radar, GPS, and field data, J. geophys. Res., 115, B04314, doi:.
30. Wang, R.J., Francisco Lorenzo, M. & Roth, F. 2003. Computation of deformation induced by earthquakes in a multi-layered elastic crust-FORTRAN programs EDGRN/EDCMP, Comput. Geosci., 29, 195-207.
31. s 8.0 Wenchuan earthquake of Sichuan, China, Chin. J. Geophys., 51(5), 1403-1410.
32. Werner, C., Wegmüller, U., Strozzi, T. & Wiesmann, A., 2002. Processing strategies for phase unwrapping for InSAR applications, in Proceedings of the EUSAR 2002, Cologne, 2002 June 4-6.
33. Wessel, P. & Smith, W.H.F., 1998. New, improved version of generic mapping tools released, EOS, Trans. Am. geophys. Un., 79(47), 579.
34. Wu, J.P., Huang, Y., Zhang, T.Z., Ming, Y. H. & Fang, L. H., 2009. Aftershock distribution of the Ms8.0 Wenchuan earthquake and three dimensional P-wave velocity structure in and around source region, Chin. J. Geophys., 52(2), 320-328 (in Chinese).
35. Xu, C., Liu, Y., Wen, Y. & Wang, R., 2010. Coseismic slip distribution of the 2008 Mw 7.9 Wenchuan earthquake from joint inversion of GPS and InSAR data, Bull. seism. Soc. Am., 100(5B), 2736-2749, doi:.
36. Xu, X.W., Wen, X. Z., Yu G.H., Chen, G. H., Klinger, Y., Hubbard, J. & Shaw, J., 2009. Coseismic reverse-and oblique-slip surface faulting generated by the 2008 Mw 7.9 Wenchuan earthquake, China, Geology, 37(6), 515-518, doi: .
37. Yukitoshi, F. & Wright, Tim J., 2008. A non-linear geodetic data inversion using abic for slip distribution on a fault with an unknown dip angle, Geophys. J. Int., 173, 353-364, doi:.
38. Zhang, P.Z., 2008. The co-seismic surface displacement of the great Wenchuan earthquake of May 12, 2008, Sichuan, China, from GPS measurements, Chin. Sci., 38(10), 1195-1206 (in Chinese).
39. Zhang, P.Z., Xu, X.W., Wen, X.Z. & Ran, Y.-K., 2008. Slip rates and recurrence intervals of the Longmen Shan active fault zone, and tectonic implications for the mechanism of the May 12 Wenchuan earthquake, 2008, Sichuan, China, Chin. J. Geophys., 51(4), 1066-1073 (in Chinese).
40. Zhang, Y., Feng, W.P., Xu, L.S. Zhou, C.H. & Chen, Y.T., 2009. Spatio-temporal rupture process of the 2008 great Wenchuan earthquake, Sci. China D: Earth Sci., 52(2), 145-154, doi:.
41. Zhang, P.Z., Wen, X. Z., Shen, Z. K. & Chen, J. H., 2010. Oblique, high-angle, listric-reverse faulting and associated development of strain: the Wenchuan earthquake of May 12, 2008, Sichuan, China, Annu. Rev. Earth planet. Sci., 38, 353-382, doi:.