Unusual shallow normal-faulting earthquake sequence in compressional northeast Japan activated after the 2011 off the Pacific coast of Tohoku earthquake

Geophysical Research Letters

Volumn 39, Issue 9, 2012, Pages

  Imanishi, Kazutoshi ^a   Ando, Ryosuke ^a   Kuwahara, Yasuto ^a  

^a NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY AIST   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

FAULTING; STRESSES;

COMPRESSIONAL; EARTHQUAKE SEQUENCES; FAULT-SLIP MODEL; FOCAL MECHANISM; MAINSHOCK; MICRO-EARTHQUAKES; STRESS CHANGES; STRESS FIELD; STRESS REGIME; STUDY AREAS;

EARTHQUAKES;

ACTIVE FAULT; COMPRESSION; EARTHQUAKE MAGNITUDE; EARTHQUAKE TRIGGER; FAULT SLIP; FOCAL MECHANISM; MICROEARTHQUAKE; NORMAL FAULT; STRESS CHANGE; STRESS FIELD; TENSION; TOHOKU EARTHQUAKE 2011;

FUKUSHIMA; HONSHU; IBARAKI; JAPAN; KANTO; PACIFIC COAST [JAPAN]; TOHOKU;

EID: 84862067286     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2012GL051491     Document Type: Article

References (32)

1. Farías, M., D. Comte, S. Roecker, D. Carrizo, and M. Pardo (2011), Crustal extensional faulting triggered by the 2010 Chilean earthquake: The Pichi-lemu Seismic Sequence, Tectonics, 30, TC6010, doi:10.1029/2011TC002888.
2. Fujii, Y., K. Satake, S. Sakai, M. Shinohara, and T. Kanazawa (2011), Tsunami source of the 2011 off the Pacific coast of Tohoku earthquake, Earth Planets Space, 63, 815-820, doi:10.5047/eps.2011.06.010.
3. Hasegawa, A., K. Yoshida, and T. Hasegawa (2011), Nearly complete stress drop in the 2011 Mw 9.0 off the Pacific coast of Tohoku earthquake, Earth Planets Space, 63, 703-707, doi:10.5047/eps.2011.06.007.
4. Hashimoto, C, and M. Matsu'ura (2006), 3-D simulation of tectonic loading at convergent plate boundary zones: Internal stress fields in northeast Japan, Pure Appl. Geophys., 163, 1803-1817, doi:10.1007/s00024-006-0098-y. (Pubitemid 44613076)
5. Hiratsuka, S., and T. Sato (2011), Alteration of stress field brought about by the occurrence of the 2011 off the Pacific coast of Tohoku earthquake (Mw 9.0), Earth Planets Space, 63, 681-685, doi:10.5047/eps.2011.05.013.
6. Hirose, F., K. Miyaoka, N. Hayashimoto, T. Yamazaki, and M. Nakamura (2011), Outline of the 2011 off the Pacific coast of Tohoku earthquake (Mw 9.0)-Seismicity: Foreshocks, mainshock, aftershocks, and induced activity-, Earth Planets Space, 63, 513-518, doi:10.5047/eps.2011.05.019.
7. Ide, S., A. Baltay, and G. C. Beroza (2011), Shallow dynamic overshoot and energetic deep rupture in the 2011 Mw 9.0 Tohoku-Oki earthquake, Science, 332, 1426-1429, doi:10.1126/science.1207020.
8. Imanishi, K., Y. Kuwahara, T. Takeda, T. Mizuno, H. Ito, K. Ito, H. Wada, and Y. Haryu (2011), Depth-dependent stress field in and around the Atot-sugawa fault, central Japan, deduced from microearthquake focal mechanisms: Evidence for localized aseismic deformation in the downward extension of the fault, J. Geophys. Res., 116, B01305, doi:10.1029/2010JB007900.
9. Japan Meteorological Agency (2004), The Seismological and Volcanologi-cal Bulletin of Japan for January 2004, Tokyo.
10. Kato, A., S. Sakai, and K. Obara (2011), A normal-faulting seismic sequence triggered by the 2011 off the Pacific coast of Tohoku earthquake: Wholesale stress regime changes in the upper plate, Earth Planets Space, 63, 745-748, doi:10.5047/eps.2011.06.014.
11. Kita, S., T. Okada, A. Hasegawa, J. Nakajima, and T. Matsuzawa (2010), Anomalous deepening of a seismic belt in the upper-plane of the double seismic zone in the Pacific slab beneath the Hokkaido corner: Possible evidence for thermal shielding caused by subducted forearc crust materials, Earth Planet. Sci. Lett., 290, 415-426, doi:10.1016/j.epsl.2009.12.038.
12. Kubo, A., E. Fukuyama, H. Kawai, and K. Nonomura (2002), NIED seismic moment tensor catalogue for regional earthquakes around Japan: Quality test and application, Tectonophysics, 356, 23-48, doi:10.1016/S0040-1951(02)00375-X. (Pubitemid 35198141)
13. Loveless, J. P., and B. J. Meade (2011), Spatial correlation of interseis-mic coupling and coseismic rupture extent of the 2011 MW = 9.0 Tohoku-oki earthquake, Geophys. Res. Lett., 38, L17306, doi:10.1029/ 2011GL048561.
14. Loveless, J. P., R. W. Allmendinger, M. E. Pritchard, and G. González (2010), Normal and reverse faulting driven by the subduction zone earthquake cycle in the northern Chilean fore arc, Tectonics, 29, TC2001, doi:10.1029/2009TC002465.
15. Makino, M., et al. (1995), Gravity map of Abukuma district (Bouguer Anomalies), scale 1:200,000, Gravity Map Ser. 6, Geol. Surv. Jpn., Tsukuba.
16. Michael, A. J. (1984), Determination of stress from slip data: Faults and folds, J. Geophys. Res., 89(B13), 11,517-11,526, doi:10.1029/JB089iB13p11517.
17. Nakajima, J., and A. Hasegawa (2006), Anomalous low-velocity zone and linear alignment of seismicity along it in the subducted Pacific slab beneath Kanto, Japan: Reactivation of subducted fracture zone?, Geo-phys. Res. Lett., 33, L16309, doi:10.1029/2006GL026773. (Pubitemid 44945707)
18. Okada, Y. (1992), Internal deformation due to shear and tensile faults in a half-space, Bull. Seismol. Soc. Am., 82, 1018-1040. (Pubitemid 23386858)
19. Otsubo, M., N. Shigematsu, M. Takahashi, T. Azuma, K. Imanishi, and R. Ando (2012), Slickenlines on fault scarps caused by an earthquake in Iwaki-city (Fukushima Prefecture, Japan) on 11th of April, 2011, J. Geol. Soc. Jpn., 118, III-IV.
20. Research Group for Active Faults of Japan(1991), Active Faults of Japan [in Japanese], Univ. of Tokyo Press, Tokyo.
21. Reyners, M., and P. McGinty (1999), Shallow subduction tectonics in the Raukumara Peninsula, New Zealand, as illuminated by earthquake focal mechanisms, J. Geophys. Res., 104(B2), 3025-3034, doi:10.1029/1998JB900081. (Pubitemid 29276232)
22. Seno, T. (1999), Syntheses of the regional stress fields of the Japanese islands, Isl. Arc, 8, 66-79, doi:10.1046/j.1440-1738.1999.00225.x. (Pubitemid 29312211)
23. Toda, S., J. Lin, and R. S. Stein (2011), Using the 2011 Mw9.0 off the Pacific coast of Tohoku earthquake to test the Coulomb stress triggering hypothesis and to calculate faults brought closer to failure, Earth Planets Space, 63, 725-730, doi:10.5047/eps.2011.05.010.
24. Townend, J. (2006), What do faults feel? Observational constraints on the stresses acting on seismogenic faults, in Earthquakes: Radiated Energy and the Physics of Earthquake Faulting, Geophys. Monogr. Ser., vol. 170, edited by R. Abercrombie et al., pp. 313-327, AGU, Washington, D. C., doi:10.1029/170GM31
25. Townend, J., and M. D. Zoback (2006), Stress, strain, and mountain building in central Japan, J. Geophys. Res., 111, B03411, doi:10.1029/ 2005JB003759. (Pubitemid 43670762)
26. Turcotte, D. L., and J. Schubert (2002), Geodynamics, 2nd ed., 456 pp., Cambridge Univ. Press, Cambridge, U. K.
27. Von Huene, R., W. Weinrebe, and F. Heeren (1999), Subduction erosion along the north Chile margin, J. Geodyn., 27, 345-358, doi:10.1016/S0264- 3707(98)00002-7. (Pubitemid 29261034)
28. Wessel, P., and W. H. F. Smith (1998), New, improved version of the Generic Mapping Tools released, Eos Trans. AGU, 79, 579, doi:10.1029/98EO00426.
29. Yamamoto, K., N. Sato, and Y. Yabe (2004), Driving force of the intra-plate crust as inferred from the stresses measured in the eastern part of Kitakami mountains, northeastern Honshu, Japan [in Japanese with English abstract], J. Seismol. Soc. Jpn., 56, 511-527.
30. Yoshida, K., A. Hasegawa, T. Okada, T. Iinuma, Y. Ito, and Y. Asano (2012), Stress before and after the 2011 great Tohoku-oki earthquake and induced earthquakes in inland areas of eastern Japan, Geophys. Res. Lett., 39, L03302, doi:10.1029/2011GL049729.
31. Yoshida, Y., H. Ueno, D. Muto, and S. Aoki (2011), Source process of the 2011 off the Pacific coast of Tohoku earthquake with the combination of teleseismic and strong motion data, Earth Planets Space, 63, 565-569, doi:10.5047/eps.2011.05.011.
32. Zoback, M. L. (1992), First-and second-order patterns of stress in the lith-osphere: The world stress map project, J. Geophys. Res., 97, 11,703-11,728, doi:10.1029/92JB00132.