Seismic tomography off SW Taiwan: A joint inversion from OBS and onshore data of 2006 Pingtung aftershocks

Terrestrial, Atmospheric and Oceanic Sciences

Volumn 19, Issue 6, 2008, Pages 729-741

  Liao, Yen Che ^a   Hsu, Shu Kun ^a   Chang, Chien Hsing ^b   Doo, Wen Bin ^a   Ho, Mei Yi ^b   Lo, Chung Liang ^a   Lee, Chao Shing ^c  

^a NATIONAL CENTRAL UNIVERSITY   (Taiwan)

^b CENTRAL WEATHER BUREAU   (Taiwan)

^c NATIONAL TAIWAN OCEAN UNIVERSITY   (Taiwan)

Author keywords

Pingtung earthquake; Slab bending; Taiwan; Tectonics; Tomography

Indexed keywords

AFTERSHOCK; BOUGUER ANOMALY; DATA SET; EARTHQUAKE EVENT; EARTHQUAKE HYPOCENTER; EARTHQUAKE MAGNITUDE; EARTHQUAKE RUPTURE; EURASIAN PLATE; GRAVITY ANOMALY; NORMAL FAULT; PHILIPPINE SEA PLATE; PLATE CONVERGENCE; SEISMIC TOMOGRAPHY; STRIKE-SLIP FAULT; VELOCITY STRUCTURE;

ASIA; EURASIA; FAR EAST; PINGTUNG; TAIWAN;

EID: 60249097757     PISSN: 10170839     EISSN: None     Source Type: Journal    
DOI: 10.3319/TAO.2008.19.6.729(PT)     Document Type: Article

References (25)

1. Chen, R. Y., C. W. Ken, W. T. Liang, H. Kao, and R. J. Rau, 2007: Focal mechanism and rupture plane determinations of 2006 Pingtung earthquake sequence. Proceedings, Workshop on Pingtung Earthquakes, Inst. Earth Sci., Academia Sinica, Taipei, Taiwan.
2. Eberhart-Phillips, D., 1986: Three-dimensional velocity structure in Northern California Coast Ranges from inversion of local earthquake arrival times. Bull. Seismol. Soc. Am., 76, 1025-1052.
3. Gardi, A., M. Cocco, A. M. Negredo, R. Sabadini, and S. K. Singh, 2000: Dynamic modeling of the subduction zone of central Mexico. Geophys. J. Int., 143, 809-820.
4. Hsu, S. K., 2001: Subduction/collision complexities in the Taiwan-Ryukyu junction area: Tectonics of the Northwestern corner of the Philippine Sea plate. Terr. Atmos. Ocean. Sci., 12, 209-230.
5. Hsu, S. K., C. S. Liu, C. T. Shyu, S. Y. Liu, J. C. Sibuet, S. Lallemand, C. Wang, and D. Reed, 1998: New gravity and magnetic anomaly maps in the Taiwan-Luzon region and their preliminary interpretation. Terr. Atmos. Ocean. Sci., 9, 509-532.
6. Hsu, S. K., Y. C. Yeh, W. B. Doo, and C. H. Tsai, 2004: New bathymetry and magnetic lineations identifications in the Northernmost South China Sea and their tectonic implications. Mar. Geophys. Res., 25, 29-44.
7. Humphreys, E. and R. W. Clayton, 1988: Adaptation of back projection tomography to seismic travel time problems. J. Geophys. Res., 93, 1073-1085.
8. Kim, K. H., J. M. Chiu, J. Pujol, K. C. Chen, B. S. Huang, Y. H. Yeh, and P. Shen, 2005: Three-dimensional Vp and Vs structural model associated with the active subduction and collision tectonics in the Taiwan region. Geophys. J. Int., 162, 204-220.
9. Lin, A. T. and A. B. Watts, 2002: Origin of the west Taiwan basin by orogenic loading and flexure of a rifted continental margin. J. Geophys. Res., 107, 2185, doi: 10.1029/2001JI3000669.
10. Lin, J. Y., J. C. Sibuet, C. S. Lee, S. K. Hsu, and F. Klingelhoefer, 2007: Origin of the southern Okinawa Trough volcanism from detailed seismic tomography. J. Geophys. Res., 112, B08308, doi: 10.1029/2006JB004703.
11. Lo, C. L. and S. K. Hsu, 2005: Earthquake-induced gravitational potential energy change in the active Taiwan orogenic belt. Geophys. J. Int., 162, 169-176.
12. McIntosh, K., Y. Nakamura, T. K. Wang, R. C. Shih, A. T. Chen, and C. S. Liu, 2005: Crustal-scale seismic profiles across Taiwan and the western Philippine Sea. Tectonophysics, 401, 23-54.
13. Mikumo, T., Y. Yagi, S. K. Singh, and M. A. Santoyo, 2002: Coseismic and postseismic stress changes in a subducting plate: Possible stress interactions between large interpolate thrust and intraplate normal-faulting earthquakes. J. Geophys. Res., 107, 2023, doi: 10.1029/2001JB000446.
14. Nakamura, Y., K. McIntosh, and A. T. Chen, 1998: Preliminary results of a large offset seismic survey west of Hengchun Peninsula, southern Taiwan. Terr. Atmos. Ocean. Sci., 9, 395-408.
15. Seno, T., S. Stein, and A. E. Gripp, 1993: A model for the motion of the Philippine Sea plate consistent with NLTVEL-1 and geological data. J. Geophys. Res., 98, 17941-17948.
16. Sibuet, J. C. and S. K. Hsu, 2004: How was Taiwan created? Tectonophysics, 379, 159-181.
17. Thurber, C. and D. Eberhart-Phillips, 1999: Local earthquake tomography with flexible gridding. Comput. Geosci., 25, 809-818.
18. Tsai, C. H., S. K. Hsu, Y. C. Yeh, C. S. Lee, and K. Xia, 2004: Crustal thinning of the northern continental margin of the South China Sea. Mar. Geophys. Res., 25, 63-78.
19. Wang, C. Y. and T. C. Shin, 1998: Illustrating 100 years of Taiwan seismicity. Terr. Atmos. Ocean. Sci., 9, 589-614.
20. Wang, Z., D. Zhao, J. Wang, and H. Kao, 2006: Tomographic evidence for the Eurasian lithosphere subducting beneath south Taiwan. Geophys. Res. Lett., 33, L18306, doi: 10.1029/2006GL027166.
21. Wu, Y. M., C. H. Chang, L. Zhao, J. B. H. Shyu, Y. G. Chen, K. Sieh, and J. P. Avouac, 2007: Seismic tomography of Taiwan: Improved constraints from a dense network of strong-motion stations. J. Geophys. Res., 112, B08312, doi: 10.1029/2007JB004983.
22. Yeh, Y. C. and S. K. Hsu, 2004: Crustal structures of the Northernmost South China Sea: Seismic reflection and gravity modeling. Mar. Geophys. Res., 25, 45-61.
23. Yu, H. S. and Y. W. Chou, 2001: Characteristics and development of the flexural forebulge and basal unconformity of western Taiwan foreland basin. Tectonophysics, 333, 277-291.
24. Yu, S. B., H. Y. Chen, and L. C. Kuo, 1997: Velocity field of GPS stations in the Taiwan area. Tectonophysics, 274, 41-59.
25. Zhao, D., A. Hasegawa, and S. Horiuchi, 1992: Tomographic imaging of P and S wave velocity structure beneath northeastern Japan. J. Geophys. Res., 97, 19909-19928.