Large intraslab earthquake (2011 April 7, M 7.1) after the 2011 off the Pacific coast of Tohoku Earthquake (M 9.0): Coseismic fault model based on the dense GPS network data

Earth, Planets and Space

Volumn 63, Issue 12, 2011, Pages 1207-1211

  Ohta, Yusaku ^a   Miura, Satoshi ^b   Ohzono, Mako ^c   Kita, Saeko ^a   Linuma, Takeshi ^a   Demachi, Tomotsugu ^a   Tachibana, Kenji ^a   Nakayama, Takashi ^a   Hirahara, Satoshi ^a   Suzuki, Syuichi ^a   Sato, Toshiya ^a   Uchida, Naoki ^a   Hasegawa, Akira ^a   Umino, Norihito ^a  

^a TOHOKU UNIVERSITY   (Japan)

^b UNIVERSITY OF TOKYO   (Japan)

^c HOKKAIDO UNIVERSITY   (Japan)

Author keywords

2011 off the pacific coast of tohoku earthquake; GPS; Intraslab earthquake

Indexed keywords

COSEISMIC PROCESS; DISPLACEMENT; FAULT SLIP; GPS; MODELING; PACIFIC PLATE; SEISMIC SOURCE; SEISMIC ZONE; TOHOKU EARTHQUAKE 2011;

EID: 80052256265     PISSN: 13438832     EISSN: 18805981     Source Type: Journal    
DOI: 10.5047/eps.2011.07.016     Document Type: Article

References (21)

1. Altamimi, Z., X. Collilieux, and L. Métivier, ITRF2008: an improved solution of the international terrestrial reference frame, J. Geod., doi:10.1007/s00190-011-0444-4, 2011.
2. Dach, R., U. Hugentobler, P. Fridez, and M. Meindl, User Manual of the Bernese GPS Software Version 5.0: Astronomical Institute, University of Bern, pp. 612, 2007.
3. Hasegawa, A., N. Umino, and A. Takagi, Double-planed structure of the deep seismic zones in the northeastern Japan arc, Tectonophysics, 47, 43-58, 1978.
4. Hashimoto, C., A. Noda, T. Sagiya, and M. Matsu'ura, Interplate seismo-genic zones along the Kuril-Japan trench inferred from GPS data inver-sion, Nature Geosci., 2, 141-144, doi:10.1038/NGEO421, 2009.
5. Hatanaka, Y., Improvement of the Analysis Strategy of GEONET, Bull. Geogr. Surv. Inst., 49, March, 2003.
6. Headquarters for Earthquake Research Promotion, Long-term evaluations of the Miyagi-oki earthquake, website (http://www.jishin.go.jp/main/chousa/00nov4/ miyagi.htm), 2011.
7. Hino, R., R. Azuma, Y. Ito, Y. Yamamoto, K. Suzuki, H. Tsushima, S. Suzuki, M. Miyashita, T. Tomori, M. Arizono, and G. Tange, Insight into complex rupturing of the immature bending normal fault in the outer slope of the Japan Trench from aftershocks of the 2005 Sanriku earthquake (Mw = 7.0) located by ocean bottom seismometry, Geochem. Geophys. Geosyst., 10, Q07O18, doi:10.1029/2009GC002415, 2009.
8. Iinuma, T., M. Ohzono, Y. Ohta, and S. Miura, Coseismic slip distribution of the 2011 off the Pacific coast of Tohoku Earthquake (M 9.0) esti-mated based on GPS data-Was the asperity in Miyagi-oki ruptured?, Earth Planets Space, 63, 643-648, 2011.
9. Jiao, W., P. G. Silver, Y. Fei, and C. T. Prewitt, Do intermediate- and deep-focus earthquakes occur on preexisting weak zones? An examination of the Tonga subduction zone, J. Geophys. Res., 105, 28,125-28,138, 2000.
10. Kita, S., T. Okada, A. Hasegawa, J. Nakajima, and T. Matsuzawa, Exis-tence of interplane earthquakes and neutral stress boundary between the upper and lower planes of the double seismic zone beneath To-hoku and Hokkaido, northeastern Japan, Tectonophysics, 496, 68-82, doi:10.1016/j.tecto.2010.10.010, 2010.
11. Masson, D. G., Fault patterns at outer trench walls, Mar. Geophys. Res, 13, 209-225, 1991.
12. Matsu'ura, M. and Y. Hasegawa, A maximum likelihood approach to non-linear inversion under constraints, Phys. Earth Planet. Inter., 47, 179-187, 1987.
13. Miura, S., T. Sato, A. Hasegawa, Y. Suwa, K. Tachibana, and S. Yui, Strain concentration zone along the volcanic front derived by GPS observa-tions in NE Japan arc, Earth Planets Space, 56, 1347-1355, 2004. (Pubitemid 40849557)
14. Miura, S., T. Iinuma, S. Yui, N. Uchida, T. Sato, K. Tachibana, and A. Hasegawa, Co- and post-seismic slip associated with the 2005 Miyagi-oki earthquake (M 7.2) as inferred from GPS data, Earth Planets Space, 58, 1567-1572, 2006. (Pubitemid 46464129)
15. Ohta, Y., M. Ohzono, S. Miura, T. linuma, K. Tachibana, K. Takatsuka, K. Miyao, T. Sato, and N. Umino, Coseismic fault model of the 2008 Iwate-Miyagi Nairiku earthquake deduced by a dense GPS network, Earth Planets Space, 60, 1197-1201, 2008.
16. Okada, Y., Internal deformation due to shear and tensile faults in a halfs-pace, Bull. Seismol. Soc. Am., 82, 1018-1040, 1992. (Pubitemid 23386858)
17. Ranero, C. R., A. Villaseñor, J. Phipps Morgan, and W. Weinrebe, Re-lationship between bend-faulting at trenches and intermediate-depth seismicity, Geochem. Geophys. Geosyst., 6, Q12002, doi:10.1029/ 2005GC000997, 2005.
18. Suwa, Y., S. Miura, A. Hasegawa, T. Sato, and K. Tachibana, Interplate coupling beneath NE Japan inferred from three-dimensional displace-ment field, J. Geophys. Res., III, B04402, doi: 10.1029/2004JB003203, 2006.
19. Wallace, L. M., J. Beavan, S. Miura, and R. McCaffrey, Using global positioning system data to assess tectonic hazards, in Volcanic and Tectonic Hazard Assessment for Nuclear Facilities, Chap. 6, 156-175, Cambridge University Press, 2009.
20. Wessel, P. and W. H. F. Smith, New, improved version of Generic Mapping Tools released, EOS Trans. AGU, 79(47), 579, 1998.
21. Yamanaka, Y. and M. Kikuchi, Asperity map along the subduction zone in northeastern Japan inferred from regional seismic data, J. Geophys. Res., 109, B07307, doi:10, 1029/2003JB002683, 2004.