Mitigating artifacts in back-projection source imaging with implications for frequency-dependent properties of the Tohoku-Oki earthquake

Earth, Planets and Space

Volumn 64, Issue 12, 2012, Pages 1101-1109

  Meng, Lingsen ^a   Ampuero, Jean Paul ^a   Luo, Yingdi ^a   Wu, Wenbo ^b   Ni, Sidao ^c  

^a CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^b UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA   (China)

^c INSTITUTE OF GEOLOGY AND GEOPHYSICS   (China)

Author keywords

Back projection; Frequency dependent rupture properties; MUSIC; Swimming artifact.; Tohoku Oki earthquake

Indexed keywords

ARTIFACT; EARTHQUAKE RUPTURE; KINEMATICS; SEISMIC SOURCE; TELESEISMIC WAVE; TOHOKU EARTHQUAKE 2011; BACK PROPAGATION; FREQUENCY DEPENDENCE; MITIGATION; SEISMIC MIGRATION; SOURCE PARAMETERS; STACKING;

JAPAN;

EID: 84868281821     PISSN: 13438832     EISSN: 18805981     Source Type: Journal    
DOI: 10.5047/eps.2012.05.010     Document Type: Article

References (32)

1. Asano, K. and T. Iwata, Strong Ground Motion Generation during the 2011 Tohoku-Oki Earthquake, AGU abstract, U42A-03,2011.
2. Dunham, E. M., P. Favreau, and J. M. Carlson, A supershear transition mechanism for cracks, Science, 299(5612), 1557-1559, doi:10.1126/science. 1080650, 2003.
3. Helmberger, D. V., Theory and application of synthetic seismograms, in Earthquakes: Observation, Theory and Interpretation, Soc.ital. di Fis., Bolgna, Italy, 174-222, 1983.
4. Huang, Y., L. Meng, and J.-P. Ampuero, A dynamic model of the frequency-dependent rupture process of the 2011 Tohoku-Oki earthquake, Earth Planets Space, 64, this issue, 1061-1066, 2012.
5. w 9.0 off the Pacific coast of Tohoku Earthquake, Earth Planets Space, 63(7), 609-614, doi:10.5047/eps.2011.07.009, 2011.
6. Ishii, M., P. M. Shearer, H. Houston, and J. E. Vidale, Teleseismic P wave imaging of the 26 December 2004 Sumatra-Andaman and 28 March 2005 Sumatra earthquake ruptures using the Hi-net array, J. Geophys. Res.-Solid Earth, 112(B11), doi:10.1029/2006jb004700,2007.
7. Kato, N., How frictional properties lead to either rupture-front focusing or cracklike behavior, Bull. Seismol. Soc. Am., 97, 2182-2189, 2007.
8. Koketsu, K. et al, A unified source model for the 2011 Tohoku earthquake, Earth Planet. Sci. Lett., 310(3-1), 480-487, doi:10.1016/j.epsl.2011.09.009, 2011.
9. Koper, K. D., A. R. Hutko, and T. Lay, Along-dip variation of teleseismic short-period radiation from the 11 March 2011 Tohoku earthquake (M(W) 9.0), Geophys. Res. Lett.,38, doi: 10.1029/201 lgl049689,2011a.
10. w 9.0 Tohoku Earthquake: Comparison of short-period P wave backprojection images and broadband seismic rupture models, Earth Planets Space, 63(7), 599-602, doi:10.5047/eps.2011.05.026,2011, 2011b.
11. Lay, T, H. Kanamori, C. J. Ammon, K. D. Koper, A. R. Hutko, L. Ye, H. Yue, and T. M. Rushing, Depth-varying rupture properties of subduction zone megathrust faults, J. Geophys. Res., 117, B04311, doi:10.1029/2011JB009133,2012.
12. Lee, S. J ., B. S. Huang, M. Ando, H. C. Chiu, and J. H. Wang, Evidence of large scale repeating slip during the 2011 Tohoku-Oki earthquake, Geophys. Res. Lett., 38, doi:10.1029/201 lgl049580,2011.
13. Meng, L. S., A. Inbal, and J. P. Ampuero, A window into the complexity of the dynamic rupture of the 2011 Mw 9 Tbhoku-Oki earthquake, Geophys. Res. LeIt., 38, L00g07, doi: 10.1029/201 lgl048118,2011.
14. Miura, S., N. Takahashi, A. Nakanishi, T. Tsuru, S. Kodaira, and Y. Kaneda, Structural characteristics off Miyagi forearc region, the Japan Trench seismogenic zone, deduced from a wide-angle reflection and refraction study, Tectonophysics, 407, 165-188, 2005. (Pubitemid 41554648)
15. Miyake, H., Y. Yokota, H. Si, and K. Koketsu, Earthquake scenarios generating extreme ground motions: Application to the 2011 Tohoku Earthquake, AGU abstract, S 52B-07, 2011.
16. Mori, J., The Great 2011 Tohoku, Japan Earthquake (Mw9.0): An Unexpected Event, Southern California Earthquake Center Annual Meeting, Special Invited Talk, 2011.
17. Nakahara, H., Seismogram envelope inversion for high-frequency seismic energy radiation from moderate-to-large earthquakes, Adv. Geophys., 50,401-26, doi:10.1016/S0065- 2687(08)00015-0, 2008.
18. Rost, S. and C. Thomas, Array seismology: Methods and applications, Rev. Geophys., 40(3), doi:10.1029/2000rg000100,2002.
19. Roten, D., H. Miyake, and K. Koketsu, A Rayleigh wave back-projection method applied to the 2011 Tohoku earthquake, Geophys. Res. Lett., doi:10.1029/2011GL050183,2011.
20. Sato, H. and M. C. Fehler, Seismic Wave Propagation and Scattering in the Heterogeneous Earth, Springer-Verlag and American Institute of Physics Press, 1998.
21. Sato, M., T. Ishikawa, N. Ujihara, S. Yoshida, M. Fujita, M. Mochizuki, and A. Asada, Displacement above the hypocenter of the 2011 Tohoku-Oki Earthquake, Science, 332(6036), 1395-1395, doi:10.1126/science.l207401,2011.
22. Shao, G., X. Li, C. Ji, and T. Maeda, Focal mechanism and slip history of the 2011 Mw 9.1 off the Pacific coast of Tohoku Earthquake, constrained with teleseismic body and surface waves, Earth Planets Space, 63(7), 559-564, doi: 10.5O47/eps.2Ol 1.06.028,2011.
23. Simons, M. et al., The 2011 magnitude 9.0 Tohoku-Oki Earthquake: Mosaicking the megathrust from seconds to centuries, Science, 332(6036), 1421-1425, doi:10.1126/Science. 1206731, 2011.
24. Tromp, J., D. Komatitsch, and Q. Y. Liu, Spectral-element and adjoint methods in seismology, Commun. Comput. Phys., 3(1), 1-32, 2008.
25. Walker, K. T. and P. Shearer, Illuminating the near-sonic rupture velocities of the intracontinental Kokoxili Mw 7.8 and Denali Mw 7.9 strike-slip earthquakes with global P-wave back projection imaging, J. Geophys. Res., 114, doi:10.1029/2008JB005738,2009.
26. w 9.0) as imaged with backprojection of teleseismic P-waves, Earth Planets Space, 63(7), 603607, doi :10.5O47/eps.2Ol 1.05.029,2011.
27. Wei, S., R. Graves, D. Helmberger, J.-P. Avouac, and J. L. Jiang, Sources of shaking and flooding during the Tohoku-Oki earthquake: A mixture of rupture styles, Earth Planet. Sci. Lett., doi:10.1016/j.epsl.2012.04.006, 2012.
28. Xu, Y., K. D. Koper, O. Sufri, and L. Zhu, Rupture imaging of the Mw 7.9 12 May 2008 Wenchuan earthquake from back projection of teleseismic P waves, Geochem. Geophys. Geosyst., 10, Q04006, Doi: 10.1029/2008GC002335,2009.
29. Yao, H. J., P. Gerstoft, P. M. Shearer, and C. Mecklenbrauker, Compressive sensing of the Tohoku-Oki Mw 9.0 earthquake: Frequency-dependent rupture modes, Geophys. Res. Lett., 38, doi: 10.1029/2011g1049223, 2011.
30. Yao, H. J., P. Shearer, and P. Gerstoft, Subevent location and rupture imaging using iterative backprojection for the 2011 Tohoku Mw 9.0 earthquake, Geophys. J. Int., 2012 (submitted).
31. Yue, H. and T. Lay, Inversion of high-rate (1 sps) GPS data for rupture process of the 11 March 2011 Tohoku earthquake (M(w) 9.1), Geophys. Res. Lett., 38, doi: 10.1029/2011g1048700, 2011.
32. Zerva, A. and V. Zervas, Spatial variation of seismic ground motions, Appl. Mech. Rev., 55(3), 271-297, 2002.