Deep ruptures around the hypocenter of the 12 May 2008 Wenchuan earthquake deduced from aftershock observations

Tectonophysics

Volumn 491, Issue 1-4, 2010, Pages 96-104

  An, Meijian ^a   Feng, Mei ^a   Long, Changxing ^a  

^a INSTITUTE OF MINERAL RESOURCES   (China)

Author keywords

Aftershock; Relative relocation; Rupture; Wenchuan earthquake

Indexed keywords

BRITTLE-DUCTILE TRANSITION; GREAT EARTHQUAKE; HIGH SIGNAL-TO-NOISE RATIO; LOCATION METHOD; MAIN SHOCK; RELATIVE RELOCATION; SEISMIC DATAS; SEISMIC NETWORKS; SPATIAL DISTRIBUTION; STUDY AREAS; UPPER CRUST; WENCHUAN EARTHQUAKE;

FADING (RADIO); SEISMOLOGY; SIGNAL TO NOISE RATIO; SIZE DISTRIBUTION;

EARTHQUAKE EFFECTS;

AFTERSHOCK; EARTHQUAKE EPICENTER; EARTHQUAKE EVENT; EARTHQUAKE HYPOCENTER; EARTHQUAKE RUPTURE; SEISMIC DATA; SEISMICITY; SICHUAN EARTHQUAKE 2008; SIGNAL-TO-NOISE RATIO; SPATIAL DISTRIBUTION;

CHINA; SICHUAN; WENCHUAN;

EID: 77955414250     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tecto.2009.12.024     Document Type: Article

References (27)

1. Baisch S., Ceranna L., Harjes H.-P. Earthquake cluster: what can we learn from waveform similarity?. Bull. Seismol. Soc. Am. 2008, 98(6):2806-2814.
2. Bassin C., Laske G., Masters G. The current limits of resolution for surface wave tomography in North America. EOS Trans. AGU 2000, 81:F897.
3. Burchfiel B.C., et al. A geological and geophysical context for the Wenchuan earthquake of 12 May 2008, Sichuan, People's Republic of China. GSA Today 2008, 18(7):4-11.
4. Chen G.-H., et al. Quantitative analysis of the co-seismic surface rupture of the 2008 Wenchuan earthquake, Sichuan, China along the Beichuan-Yingxiu fault. Seismol. Geol. 2008, 30(3):723-737.
5. Chen J.-H., et al. Seismotectonic study by relocation of the Wenchuan MS 8.0 earthquake sequence. Chinese J. Geophys. 2009, 52(2):390-397.
6. Dietz L.D., Ellsworth W.L. Aftershocks of the Loma Prieta earthquake and their tectonic implications. The Loma Prieta, California, Earthquake of October 17, 1989 - Aftershocks and Postseismic Effects 1997, 5-47. P.A. Reasenberg (Ed.).
7. Dong S., et al. Surface rupture investigation of the Wenchuan Ms 8.0 earthquake of May 12th, 2008, West Sichuan, and analysis of its occurrence setting. Acta Geoscientia Sin. 2008, 29(3):392-396.
8. Huang Y., Wu J., Zhang T., Zhang D. Relocation of the M 8.0 Wenchuan earthquake and its aftershock sequence. Sci. China Ser. D-Earth Sci. 2008, 51(12):1703-1711.
9. King G.C.P. Speculations on the geometry of the initiation and termination processes of earthquake rupture and its relation to morphology and geological structure. Pure Appl. Geophys. 1986, 124(3):567-585.
10. Lahr J.C. HYPOELLIPSE: a computer program for determining local earthquake hypocentral parameters, magnitude, and first-motion pattern 1999.
11. Lee W.H.K., Lahr J.C. HYPO71: a computer program for determining hypocenter, magnitude, and first motion pattern of local earthquakes (U.S. Geol. Surv. Open-File Rep.) 1972.
12. Liu Q.-Y., et al. The Ms 8.0 Wenchuan earthquake: preliminary results from the Western Sichuan mobile seismic array observations. Seismol. Geol. 2008, 30(3):584-596.
13. Ma Y.-S., et al. Co-seismic deformation features and segmentation of the Ms 8.0 Wenchuan earthquake in Sichuan, China. Geol. Bull. China 2008, 27(12):2076-2085.
14. Mandal P., Horton S. Relocation of aftershocks, focal mechanisms and stress inversion: Implications toward the seismo-tectonics of the causative fault zone of Mw7.6 2001 Bhuj earthquake (India). Tectonophysics 2007, 429(1-2):61-78.
15. Ohnaka M., Kato A. Depth dependence of constitutive law parameters for shear failure of rock at local strong areas on faults in the seismogenic crust. J. Geophys. Res. 2007, 112:B07201.
16. Richter C.F. Elementry Seismology 1958, W H Freeman & Co (Sd), San Francisco, California.
17. Royden L.H., Burchfiel B.C., van der Hilst R.D. The geological evolution of the Tibetan Plateau. Science 2008, 321(5892):1054-1058.
18. State Expert Commitee of the Wenchuan Earthquake Atlas of Earthquake and Geological Disasters for the Wenchuan Earthquake 2008, SinoMaps Press, Beijing.
19. Strehlau J. A discussion of the depth extent of rupture in large continental earthquakes. Earthquake Source Mechanics 1986, 131-145. American Geophysical Union, Washington, D.C. S. Das, J. Boatwright, C.H. Scholz (Eds.).
20. Talwani P. Fault geometry and earthquakes in continental interiors. Tectonophysics 1999, 305(1-3):371-379.
21. Talwani P., Chen L., Gahalaut K. Seismogenic permeability, ks. J. Geophys. Res. 2007, 112:B07309.
22. Waldhauser F., Ellsworth W.L. A double-difference earthquake location algorithm: method and application to the Northern Hayward Fault, California. Bull. Seismol. Soc. Am. 2000, 90(6):1353-1368.
23. Wessel P., Smith W.H.F. Free software helps map and display data. EOS Trans. AGU 1991, 72:411.
24. Xu Z., et al. Uplift of the Longmen Shan range and the Wenchuan earthquake. Episodes 2008, 31(3):291-301.
25. Xu X., Wen X., Yu G., Chen G., Klinger Y. Coseismic reverse- and oblique-slip surface faulting generated by the 2008 Mw 7.9 Wenchuan earthquake, China. Geology 2009, 37(6):515-518.
26. Zhao Z., Fan J., Zheng S.H., Hasegawa A., Horiuchi S. Crustal structure and accurate hypocenter determination along the Longmenshan fault zone. Acta Seismol. Sin. 1997, 10(6):761-768.
27. Zhu A.-L., et al. Relocation of the Ms 8.0 Wenchuan earthquake sequence in Part: Preliminary seismotectonic analysis. Seismol. Geol. 2008, 30(3):759-767.