Source model of the 2009 M w 7.6 Padang intraslab earthquake and its effect on the Sunda megathrust

Geophysical Journal International

Volumn 190, Issue 3, 2012, Pages 1710-1722

  Wiseman, Kelly ^a   Banerjee, Paramesh ^b   Bürgmann, Roland ^a   Sieh, Kerry ^b   Dreger, Douglas S ^a   Hermawan, Iwan ^b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b NANYANG TECHNOLOGICAL UNIVERSITY   (Singapore)

Author keywords

Asia; Earthquake interaction, forecasting and prediction; Earthquake source observations; Seismicity and tectonics; Subduction zone processes

Indexed keywords

ASIA; BROAD BANDS; EARTHQUAKE SOURCE; FOCAL PLANE; GEODETIC DATA; GEOLOGICAL STRUCTURES; GREAT EARTHQUAKE; HYPOCENTRE; SEISMIC MOMENT; SOURCE MODELS; SUBDUCTION ZONES; THREE-COMPONENT; WAVE FORMS;

FOCUSING; TECTONICS;

EARTHQUAKES;

AFTERSHOCK; EARTHQUAKE EVENT; EARTHQUAKE PREDICTION; EARTHQUAKE RUPTURE; FOCAL MECHANISM; GPS; SEISMIC SOURCE; SEISMICITY; SOURCE PARAMETERS; SUBDUCTION ZONE; TECTONIC SETTING; WAVEFORM ANALYSIS;

ASIA;

EID: 84865296751     PISSN: 0956540X     EISSN: 1365246X     Source Type: Journal    
DOI: 10.1111/j.1365-246X.2012.05600.x     Document Type: Article

References (47)

1. w 7.9 earthquakes south of Sumatra: deformation in the India-Australia Plate, J. geophys. Res., 108, doi:10.1029/2001JB0000674.
2. Bürgmann, R., Segall, P., Lisowski, M. & Svarc, J., 1997. Postseismic strain following the 1989 Loma Prieta earthquake from GPS and leveling measurements, J. geophys. Res., 102, 4933-4955.
3. w 9.15 Sumatra-Andaman earthquake of 2004, Bull. seism. Soc. Am., 97, S152-S173.
4. Chlieh, M., Avouac, J.P., Sieh, K., Natawidjaja, D.H. & Galetzka, J., 2008. Heterogeneous coupling of the Sumatran megathrust constrained by geodetic and paleogeodetic measurements, J. Geophys. Res., 113, B05305, doi:10.1029/2007JB004981.
5. Collings, R., Lange, D., Rietbrock, A., Tilmann, F., Natawidjaja, D., Suwargadi, B., Miller, M. & Saul, J., 2012. Structure and seismogenic properties of the Mentawai segment of the Sumatra subduction zone revealed by local earthquake travel-time tomography, J. geophys. Res., 117, B01 312, doi:10.1029/2011JB008469.
6. Delescluse, M. & Chamot-Rooke, N., 2007. Instantaneous deformation and kinematics of the India-Australia Plate, Geophys. J. Int., 168, 818-842.
7. Deplus, C. et al ., 1998. Direct evidence of active deformation in the eastern Indian oceanic plate, Geology, 26, 131-134.
8. Deplus, C., 2001. Indian ocean actively deforms, Science, 292, 1850-1851.
9. Dziewonski, A.M. & Anderson, D.L., 1981. Preliminary reference earth model, Phys. Earth planet. Inter., 25, 297-356.
10. w 8.6 Nias Island great earthquakes, Bull. seism. Soc. Am., 97, S43-S61, doi:10.1785/0120050614.
11. Fauzi, McCaffrey, R., Wark, D., Sunaryo, P.Y. & Prih Haryadi, P.Y., 1996. Lateral variation in slab orientation beneath Toba Caldera, northern Sumatra, Geophys. Res. Lett., 23(5), 443-446.
12. Fitch, T.J., 1972. Plate convergence, transcurrent faults, and internal deformation adjacent to Southeast Asia and Western Pacific, J. geophys. Res., 77(23), 4432-4460.
13. Global CMT Project, 2011. Global CMT catalog. Available at: http://www.globalcmt.org (last accessed 2011 April 30).
14. Hartzell, S.H. & Heaton, T.H., 1983. Inversion of strong ground motion and teleseismic waveform data for the fault rupture history of the 1979 Imperial Valley, California, earthquake, Bull. seism. Soc. Am., 73, 1553-1583.
15. Hayes, G.P., Wald, D.J. & Keranen, K., 2009. Advancing techniques to constrain the geometry of the seismic rupture plane on subduction interfaces a priori: higher-order functional fits, Geochem. Geophys. Geosyst., 10, doi:10.1029/2009GC002633.
16. Hermawan, I., 2010. Sismotectonique des failles actives en Indonésie, vue par géodésie spatiale, PhD thesis, Ecole Normale Superieure, Paris
17. Herring, T., 2003. MATLAB Tools for viewing GPS velocities and time series, GPS Solutions, 7, 194-199, doi:10.1007/s10291-003-0068-0.
18. Herring, T.A., 2005. GLOBK, Global Kalman filter VLBI and GPS analysis program, release 10.2, Massachusetts Institute of Technology, Cambridge, MA
19. w 7.8 Mentawai earthquake: very shallow source of a rare tsunami earthquake determined from tsunami field survey and near-field GPS data, J. geophys. Res., 117, doi:10.1029/2012JB009159.
20. Ichinose, G.A., Thio, H.K. & Somerville, P.G., 2004. Rupture process and near-source shaking of the 1965 Seattle-Tacoma and 2001 Nisqually, intraslab earthquakes, Geophs. Res. Lett., 31, doi:10.1029/004GL019668.
21. International Seismological Centre, 2011. On-line Bulletin, Available at: http://www.isc.ac.uk (last accessed 2011 October 15).
22. w 7.1 Hector Mine, California, earthquake, Bull. seism. Soc. Am., 92, 1266-1280.
23. King, R. & Bock, Y., 2005. Documentation for the GAMIT GPS analysis software, release 10.2, Massachusetts Institute of Technology, Cambridge, MA
24. w 8.6 Nias-Simeulue earthquake from the joint inversion of seismic and geodetic data, Bull. seism. Soc. Am., 97, S307-S322.
25. Konca, A.O. et al ., 2008. Partial rupture of a locked patch of the Sumatra megathrust during the 2007 earthquake sequence, Nat. Geosci., 456, 631-635.
26. Lange, D. et al ., 2010. The fine structure of the subducted investigator fracture zone in Western Sumatra as seen by local seismicity, Earth planet. Sci. Lett., 298, 47-56.
27. Liu, C., Curray, J.R. & McDonald, J.M., 1983. New constraints on the tectonic evolution of the eastern Indian Ocean, Earth planet. Sci. Lett., 65, 331-342.
28. McCaffrey, R., 1991. Slip vectors and stretching of the Sumatran Fore Arc, Geology, 19(9), 881-884.
29. McCloskey, J., Lange, D., Tilmann, F., Nalbant, S.S., Bell, A.F., Natawidjaja, D.H. & Rietbrock, A., 2010. The September 2009 Padang earthquake, Nat. Geosci., 3, 70-71.
30. Meltzner, A.J., Sieh, K., Chiang, H.-W., Shen, C.-C., Suwargadi, B.W., Natawidjaja, D.H., Philibosian, B. & Briggs, R.W., 2012. Persistent Termini of 2004- and 2005-like Ruptures of the Sunda Megathrust, J. geophys. Res., 117, doi:10.1029/2011JB008888.
31. Natawidjaja, D., Sieh, K., Ward, S., Cheng, H., Edwards, R., Galetzka, J. & Suwargadi, B., 2004. Paleogeodetic records of seismic and aseismic subduction from central Sumatran microatolls, Indonesia, J. geophys. Res., 109, doi:10.1029/2003JB002398.
32. Natawidjaja, D.H. et al ., 2006. Source parameters of the great Sumatran megathrust earthquakes of 1797 and 1833 inferred from coral microatolls, J. geophys. Res., 111, B06403, doi:10.1029/2005JB004025.
33. Okada, Y., 1985. Surface deformation due to shear and tensile faults in a half-space, Bull. seism. Soc. Am., 75, 1135-1154.
34. Pollitz, F.F., Bürgmann, R. & Banerjee, P., 2006. Post-seismic relaxation following the great 2004 Sumatra-Andaman earthquake on a compressible self-gravitating Earth, Geophys. J. Int., 167, 397-420, doi:10.1111/j.1365-246X.2006.03018.x.
35. Saikia, C.K., 1994. Modified frequency-wave number algorithm for regional seismograms using Filon's quadrature-modeling of L(g) waves in eastern North America, Geophys. J. Int., 118, 142-158.
36. Shearer, P.M. & Bürgmann, R., 2010. Lessons learned from the 2004 Sumatra-Andaman megathrust rupture, Ann. Rev. Earth planet. Sci., 38, 103-131.
37. Sieh, K. et al ., 2008. Earthquake supercycles inferred from sea-level changes recorded in the corals of West Sumatra, Science, 322, 1674-1678.
38. Simons, W.J.F. et al ., 2007. A decade of GPS in Southeast Asia: resolving Sundaland motion and boundaries, J. geophys. Res., 112, B06420, doi:10.1029/2005JB003868.
39. Somerville, P.G. et al ., 1999. Characterizing crustal earthquake slip models for the prediction of strong ground motion, Seism. Res. Lett., 70, 59-80.
40. Stein, R.S., 1999. The role of stress transfer in earthquake occurrence, Nature, 402, 605-609.
41. Toda, S., Lin, J. & Stein, R.S., 2011. Using the 2011 M = 9.0 Tohoku earthquake to test the Coulomb stress triggering hypothesis and to calculate faults brought closer to failure, Earth Planets Space, 63, doi:10.5047/eps.2011.05.010.
42. Vallée, M., Bouchon, M. & Schwartz, S.Y., 2003. The 13 January El Salvador earthquake: a multidata analysis, J. geophys. Res., 108, doi:10.1029/2002JB001922.
43. Wada, I., Mazzotti, S. & Wang, K., 2010. Intraslab stresses in the Cascadia subduction zone from inversion of earthquake focal mechanisms, Bull. seism. Soc. Am., 100, 2002-2013.
44. Wang, R., Martin, F.L. & Roth, F., 2003. Computation of deformation induced by earthquakes in a multi-layered elastic crust - FORTRAN programs EDGRN/EDCMP, Comput. Geosci., 29, 195-207.
45. Wells, D.L. & Coppersmith, K.J., 1994. New empirical relationships among magnitude, rupture length, rupture width, rupture area, and surface displacement, Bull. seism. Soc. Am., 84, 974-1002.
46. w 8.4 Earthquake, Bull. seism. Soc. Am., 101, 313-326.
47. Wiseman, K., Banerjee, P., Sieh, K., Bürgmann, R. & Natawidjaja, D.H., 2011. Another potential source of destructive earthquakes and tsunami offshore of Sumatra, Geophys. Res. Lett., 38, doi:10.1029/2011GL047226.