Two subevents across the Japan Trench during the 7 December 2012 off Tohoku earthquake (Mw 7.3) inferred from offshore tsunami records

Journal of Geophysical Research: Solid Earth

Volumn 119, Issue 7, 2014, Pages 5800-5813

  Inazu, Daisuke ^a   Saito, Tatsuhiko ^a  

^a NATIONAL RESEARCH INSTITUTE FOR EARTH SCIENCE AND DISASTER PREVENTION   (Japan)

Author keywords

7 December 2012 tsunami; doublet earthquakes; source inversion

Indexed keywords

EARTHQUAKE MAGNITUDE; EARTHQUAKE TRIGGER; FAULTING; INVERSE ANALYSIS; NUMERICAL MODEL; REVERSE FAULT; SEAFLOOR; SEISMIC MOMENT; SEISMIC SOURCE; TOHOKU EARTHQUAKE 2011; TSUNAMI;

JAPAN TRENCH; PACIFIC OCEAN;

EID: 84906078386     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1002/2013JB010892     Document Type: Article

References (59)

1. Amante, C., and, B. W. Eakins, (2009), ETOPO1 1 arc-minute global relief model: Procedures, data sources and analysis, NOAA Tech. Memo. NESDIS NGDC-24, 19 pp.
2. Antolik, M., G. Ekström, and, A. Dziewonski, (2001), Global event location with full and sparse data sets using three-dimensional models of mantle P-wave velocity, Pure Appl. Geophys., 158, 291-317, doi: 10.1007/978-3-0348- 8250-7-18. (Pubitemid 32248001)
3. Baba, T., P. R. Cummins, and, T. Hori, (2005), Compound fault rupture during the 2004 off the Kii Peninsula earthquake (M 7.4) inferred from highly resolved coseismic sea-surface deformation, Earth Planets Space, 57, 167-172. (Pubitemid 40959329)
4. Baba, T., P. R. Cummins, H. K. Thio, and, H. Tsushima, (2009), Validation and joint inversion of teleseismic waveforms for earthquake source models using deep ocean bottom pressure records: A case study of the 2006 Kuril megathrust earthquake, Pure Appl. Geophys., 166, 55-76, doi: 10.1007/s00024-008-0438-1.
5. Bernard, E., Y. Wei, L. Tang, and, V. Titov, (2013), Impact of near-field, deep-ocean tsunami observations on forecasting the 7 December 2012 Japanese tsunami, Pure Appl. Geophys., doi: 10.1007/s00024-013-0720-8.
6. Bishop, C. M., (2006), Pattern Recognition and Machine Learning, 738 pp., Springer-Verlag, New York.
7. Blaser, L., F. Krüger, M. Ohrnberger, and, F. Scherbaum, (2010), Scaling relations of earthquake source parameter estimates with special focus on subduction environment, Bull. Seismol. Soc. Am., 100, 2914-2926, doi: 10.1785/0120100111.
8. Bondár, I., S. C. Myers, E. R. Engdahl, and, E. A. Bergman, (2004), Epicentre accuracy based on seismic network criteria, Geophys. J. Int., 156, 483-496, doi: 10.1111/j.1365-246X.2004.02070.x. (Pubitemid 38398612)
9. Cerjan, C., D. Kosloff, R. Kosloff, and, M. Reshef, (1985), A nonreflecting boundary condition for discrete acoustic and elastic wave equations, Geophysics, 50, 705-708, doi: 10.1190/1.1441945.
10. Chester, F. M., J. J. Mori, S. Toczko, N. Eguchi, and The Expedition 343/343T Scientists (2012), Japan Trench Fast Drilling Project (JFAST), IODP Prel. Rept., 55 pp., doi: 10.2204/iodp.pr.343343T.2012.
11. Ekström, G., M. Nettles, and, A. M. Dziewoński, (2012), The global CMT project 2004-2010: Centroid-moment tensors for 13,017 earthquakes, Phys. Earth Planet. Inter., 200-201, 1-9, doi: 10.1016/j.pepi.2012.04.002.
12. Filloux, J. H., (1982), Tsunami recorded on the open ocean floor, Geophys. Res. Lett., 9, 25-28, doi: 10.1029/GL009i001p00025.
13. Fujii, Y., and, K. Satake, (2006), Source of the July 2006 West Java tsunami estimated from tide gauge records, Geophys. Res. Lett., 33, L24317, doi: 10.1029/2006GL028049.
14. Fujii, Y., and, K. Satake, (2013), Slip distribution and seismic moment of the 2010 and 1960 Chilean earthquakes inferred from tsunami waveforms and coastal geodetic data, Pure Appl. Geophys., 170, 1493-1509, doi: 10.1007/s00024-012-0524-2.
15. Fukuyama, E., M. Ishida, D. S. Dreger, and, H. Kawai, (1998), Automated seismic moment tensor determination by using on-line broadband seismic waveforms [in Japanese with English abstract], J. Seismol. Soc. Jpn, 2 (51), 149-156.
16. Geller, R. J., (1976), Scaling relations for earthquake source parameters and magnitudes, Bull. Seismol. Soc. Am., 66, 1501-1523.
17. González, F. I., C. L. Mader, M. C. Eble, and, E. N. Bernard, (1991), The 1987-88 Alaskan Bight tsunamis: Deep ocean data and model comparisons, Nat. Hazards, 4, 119-139, doi: 10.1007/BF00162783.
18. González, F. I., H. M. Milburn, E. N. Bernard, and, J. Newman, (1998), Deep-ocean assessment and reporting of tsunamis (DART): Brief overview and status report, in Proceedings of the International Workshop on Tsunami Disaster Mitigation, pp. 118-129, Tokyo, Japan. [Available at http://www.ndbc.noaa.gov/dart/brief.shtml.]
19. González, F. I., E. N. Bernard, C. Meinig, M. C. Eble, H. O. Mofjeld, and, S. Stalin, (2005), The NTHMP tsunameter network, Nat. Hazards, 35, 25-39, doi: 10.1007/s11069-004-2402-4. (Pubitemid 40374092)
20. w 9.0), Geophys. Res. Lett., 40, 497-500, doi: 10.1002/grl.50153.
21. W 7.3), Geophys. Res. Lett., 40, 4214-4219, doi: 10.1002/grl.50808.
22. Hino, R., Y. Tanioka, T. Kanazawa, S. Sakai, M. Nishino, and, K. Suyehiro, (2001), Micro-tsunami from a local interplate earthquake detected by cabled offshore tsunami observation in northeastern Japan, Geophys. Res. Lett., 28, 3533-3536, doi: 10.1029/2001GL013297. (Pubitemid 32989800)
23. Hino, R., et al. (2009), 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.
24. Hino, R., D. Inazu, Y. Ohta, Y. Ito, S. Suzuki, T. Iinuma, Y. Osada, M. Kido, H. Fujimoto, and, Y. Kaneda, (2013), Was the 2011 Tohoku-Oki earthquake preceded by aseismic preslip? Examination of seafloor vertical deformation data near the epicenter, Mar. Geophys. Res., doi: 10.1007/s11001-013-9208-2.
25. Hirata, K., et al. (2002), Real-time geophysical measurements on the deep seafloor using submarine cable in the southern Kurile subduction zone, IEEE J. Oceanic Eng., 27, 170-181, doi: 10.1109/JOE.2002.1002471. (Pubitemid 34732019)
26. Hjörleifsdõttir, V., and, G. Ekström, (2010), Effects of three-dimensional Earth structure on CMT earthquake parameters, Phys. Earth Planet. Inter., 179, 178-190, doi: 10.1016/j.pepi.2009.11.003.
27. Inazu, D., and, T. Saito, (2013), Simulation of distant tsunami propagation with a radial loading deformation effect, Earth Planets Space, 65, 835-842, doi: 10.5047/eps.2013.03.010.
28. Japan Meteorological Agency (2013), The 7 December 2012 Sanriku-Oki earthquake [in Japanese], Coord. Comm. Earthquake Predict. Jpn., 198, 24-31.
29. Kajiura, K., (1963), The leading wave of a tsunami, Bull. Earthquake Res. Inst., 41, 535-571.
30. Kato, T., Y. Terada, M. Kinoshita, H. Kakimoto, H. Isshiki, M. Matsuishi, A. Yokoyama, and, T. Tanno, (2000), Real-time observation of tsunami by RTK-GPS, Earth Planets Space, 52, 841-845. (Pubitemid 40836663)
31. Kato, T., Y. Terada, K. Ito, R. Hattori, T. Abe, T. Miyake, S. Koshimura, and, T. Nagai, (2005), Tsunami due to the 2004 September 5th off the Kii peninsula earthquake, Japan, recorded by a new GPS buoy, Earth Planets Space, 57, 297-301. (Pubitemid 40959314)
32. W 7.2, 7.1) and interactions between near-trench intraplate thrust and normal faulting, Phys. Earth Planet. Inter., 220, 73-78, doi: 10.1016/j.pepi.2013.04.009.
33. Menke, W., (1989), Geophysical Data Analysis: Discrete Inverse Theory, Int. Geophys. Ser., vol. 45, 289 pp., Academic Press, San Diego, Calif.
34. Monserrat, S., I. Vilibic̈, and, A. B. Rabinovich, (2006), Meteotsunamis: Atmospherically induced destructive ocean waves in the tsunami frequency band, Nat. Hazards Earth Syst. Sci., 6, 1035-1051, doi: 10.5194/nhess-6-1035-2006. (Pubitemid 44917378)
35. Mungov, G., M. Eblé, and, R. Bouchard, (2013), DART tsunameter retrospective and real-time data: A reflection on 10 years of processing in support of tsunami research and operations, Pure Appl. Geophys., 170, 1369-1384, doi: 10.1007/s00024-012-0477-5.
36. Murotani, S., K. Satake, and, Y. Fujii, (2013), Scaling relations of seismic moment, rupture area, average slip, and asperity size for M ~ 9 subduction-zone earthquakes, Geophys. Res. Lett., 40, 5070-5074, doi: 10.1002/grl.50976.
37. Nagai, T., N. Hashimoto, K. Shimizu, and, F. Kitamura, (1996), Offshore tsunami profiles observed at the coastal wave stations, Proc. 25th Int. Conf. Coast. Eng. (ICCE'96), 1465-1477.
38. Nagai, T., K. Shimizu, M. Sasaki, and, A. Murakami, (2008), Improvement of the Japanese NOWPHAS network by introducing advanced GPS buoys, Proc. 18th Int. Offshore Polar Eng. Conf. (ISOPE), 3, 558-564.
39. Obana, K., et al. (2013), Aftershocks near the updip end of the 2011 Tohoku-Oki earthquake, Earth Planet. Sci. Lett., 382, 111-116, doi: 10.1016/j.epsl.2013.09.007.
40. Obana, K., S. Kodaira, Y. Nakamura, T. Sato, G. Fujie, T. Takahashi, and, Y. Yamamoto, (2014), Aftershocks of the December 7, 2012 intraplate doublet near the Japan Trench axis, Earth Planets Space, 66, 24, doi: 10.1186/1880-5981-66-24.
41. Okada, Y., (1985), Surface deformation due to shear and tensile faults in a half-space, Bull. Seismol. Soc. Am., 75, 1135-1154.
42. Okada, Y., (1992), Internal deformation due to shear and tensile faults in a half-space, Bull. Seismol. Soc. Am., 82, 1018-1040. (Pubitemid 23386858)
43. Okada, Y., K. Kasahara, S. Hori, K. Obara, S. Sekiguchi, H. Fujiwara, and, A. Yamamoto, (2004), Recent progress of seismic observation networks in Japan-Hi-net, F-net, K-NET and KiK-net-, Earth Planets Space, 56, 15-28.
44. Ritsema, J., S. N. Ward, and, F. I. González, (1995), Inversion of deep-ocean tsunami records for 1987 to 1988 Gulf of Alaska earthquake parameters, Bull. Seismol. Soc. Am., 85, 747-754. (Pubitemid 26462881)
45. Saito, T., and, T. Furumura, (2009), Three-dimensional tsunami generation simulation due to sea-bottom deformation and its interpretation based on the linear theory, Geophys. J. Int., 178, 877-888, doi: 10.1111/j.1365-246X.2009. 04206.x.
46. Saito, T., K. Satake, and, T. Furumura, (2010), Tsunami waveform inversion including dispersive waves: The 2004 earthquake off Kii Peninsula, Japan, J. Geophys. Res., 115, B06303, doi: 10.1029/2009JB006884.
47. Saito, T., Y. Ito, D. Inazu, and, R. Hino, (2011), Tsunami source of the 2011 Tohoku-Oki earthquake, Japan: Inversion analysis based on dispersive tsunami simulations, Geophys. Res. Lett., 38, L00G19, doi: 10.1029/2011GL049089.
48. Satake, K., (1987), Inversion of tsunami waveforms for the estimation of a fault heterogeneity: Method and numerical experiments, J. Phys. Earth, 35, 241-254, doi: 10.4294/jpe1952.35.241.
49. Satake, K., and, H. Kanamori, (1991), Use of tsunami waveforms for earthquake source study, Nat. Hazards, 4, 193-208, doi: 10.1007/BF00162787.
50. Shearer, P. M., (2009), Introduction to Seismology, 2nd ed., 396 pp., Cambridge Univ. Press, Cambridge, U. K.
51. Shimizu, K., T. Nagai, J. H. Lee, H. Izumi, and, T. Fujita, (2006), Research on realtime tsunami detection system using offshore water surface elevation data [in Japanese with English abstract], Proc. Civil Eng. Ocean, 22, 523-528, doi: 10.2208/prooe.22.523.
52. Suzuki, K., et al. (2012), Seismicity near the hypocenter of the 2011 off the Pacific coast of Tohoku earthquake deduced by using ocean bottom seismographic data, Earth Planets Space, 64, 1125-1135, doi: 10.5047/eps.2012.04.010.
53. Takahashi, R., (1942), On seismic sea waves caused by deformations of the sea bottom [in Japanese with English abstract], Bull. Earthquake Res. Inst., 20, 375-400.
54. Tang, L., V. V. Titov, and, C. D. Chamberlin, (2009), Development, testing, and applications of site-specific tsunami inundation models for real-time forecasting, J. Geophys. Res., 114, C12025, doi: 10.1029/2009JC005476.
55. Tang, L., et al. (2012), Direct energy estimation of the 2011 Japan tsunami using deep-ocean pressure measurements, J. Geophys. Res., 117, C08008, doi: 10.1029/2011JC007635.
56. Tsushima, H., R. Hino, H. Fujimoto, Y. Tanioka, and, F. Imamura, (2009), Near-field tsunami forecasting from cabled ocean bottom pressure data, J. Geophys. Res., 114, B06309, doi: 10.1029/2008JB005988.
57. Yamazaki, Y., T. Lay, K. F. Cheung, H. Yue, and, H. Kanamori, (2011), Modeling near-field tsunami observations to improve finite-fault slip models for the 11 March 2011 Tohoku earthquake, Geophys. Res. Lett., 38, L00G15, doi: 10.1029/2011GL049130.
58. Yang, X., I. Bondár, J. Bhattacharyya, M. Ritzwoller, N. Shapiro, M. Antolik, G. Ekström, H. Israelsson, and, K. McLaughlin, (2004), Validation of regional and teleseismic travel-time models by relocating ground-truth events, Bull. Seismol. Soc. Am., 94, 897-919, doi: 10.1785/0120030148. (Pubitemid 39112772)
59. Yokota, Y., K. Koketsu, Y. Fujii, K. Satake, S. Sakai, M. Shinohara, and, T. Kanazawa, (2011), Joint inversion of strong motion, teleseismic, geodetic, and tsunami data sets for the rupture process of the 2011 Tohoku earthquake, Geophys. Res. Lett., 38, L00G21, doi: 10.1029/2011GL050098.