Welcome To My Home Page: Nobuo Hurukawa

hurukawa_miniName: HURUKAWA Nobuo
Research field: Seismology
Position: Senior Fellow
e-mail: hurukawa@kenken.go.jp
Education: Kyoto University, PhD
Research Subject: Hypocenter determination, seismicity, and crust and upper-mantle structure


  1. Hurukawa, N., B. R. Wulandari, and M. Kasahara, 2014, Earthquake History of the Sumatran Fault, Indonesia, since 1892, Derived from Relocation of Large Earthquakes, Bull. Seismol. Soc. Am., 104, 1750–1762, doi: 10.1785/0120130201 [Abstract].
  2. Hurukawa, N., and T. Harada, 2013, Fault plane of the 1964 Niigata earthquake, Japan, derived from relocation of the mainshock and aftershocks by using the modified joint hypocenter determination and grid search methods, Earth Planets Space, 65, 1441-1447, doi:10.5047/eps.2013.06.007 [Abstract] | [Full text] (PDF 736 KB).
  3. Hurukawa, N., Pa Pa Tun, and Bunichiro Shibazaki, 2012, Detailed Geometry of the Subducting Indian Plate Beneath the Burma Plate and Subcrustal Seismicity in the Burma Plate Derived from Joint Hypocenter Relocation, Earth Planets Space, 64, 333-343, doi:10.5047/eps.2011.10.011 [Abstract] | [Full text] (PDF 3.2 MB).
  4. Hurukawa, N., 2011, Relocation of the 2011 Off the Pacific Coast of Tohoku earthquake sequence and fault planes of M ≥ 7 earthquakes, Earth Planets Space, 63, 659-662, doi:10.5047/eps.2011.05.027 [Abstract] | [Full text] (PDF 4.7 MB).
  5. Hiratsuka, S., T. Sato, and Hurukawa, N., 2011, Generation mechanism of the swarm activity following the 2004 Sumatra-Andaman earthquake, Zisin (J. Seismol. Soc. Jpn), 64, 33-45 [Abstract] | [Full text] (PDF 840 KB).
  6. Hurukawa, N., and P. Maung Maung, 2011, Two seismic gaps on the Sagaing Fault, Myanmar, derived from relocation of historical earthquakes since 1918, Geophys. Res. Lett., 38, L01310, doi:10.1029/2010GL046099 [Abstract] | [Full text] (PDF 575 KB).
  7. Hussein, H. M., S. S. R. Moustafa, E. Elawadi, N. S. Al-Arifi, and Hurukawa, N., 2011, Seismological Aspects of the Abou Dabbab Region, Eastern Desert, Egypt, Seismological Research Letters, 82, 81-88 [Abstract].
  8. Hurukawa, N., and Imoto, M., 2010, Periodic upward migration model for intermediate-depth earthquakes in Vrancea, Romania, Earth Planets Space, 62, 463-473 [Abstract] | [Full text] (PDF 2 MB).
  9. Hurukawa, N., M. Popa, and M. Radulian, 2008, Relocation of large intermediate-depth earthquakes of the Vrancea region, Romania, since 1934 and a seismic gap, Earth Planets Space, 60, 565-572 [Abstract] | [Full text] (PDF 1.3 MB).
  10. Imoto, M. and Hurukawa, N., 2006, Assessing Potential Seismic Activity in Vrancea, Romania, Using a Stress-Release Model, Earth Planets Space, 58, 1511-1514 [Abstract] | [Full text] (PDF 124 KB).
  11. Hussein , H. M., I. Marzouk, A. R. Moustafa, and Hurukawa, N., 2006, Preliminary seismicity and focal mechanisms in the southern Gulf of Suez: August 1994 through December 1997, Journal of African Earth Sciences, 45, 48-60 [Abstract] | [Full text].
  12. Korrat, I. M., H. M. Hussein, I. Marzouk, E. M. Ibrahim, R. Abdel-Fattah, andHurukawa, N., 2006, Seismicity of the northernmost part of the Red Sea (1995-1999), Acta Geophysica, 54, 33-49 [Abstract].
  13. Hurukawa, N., Y. Tsuji, and B. Waluyo, 2003, The 1998 Papua New Guinea Earthquake and Its Fault Plane Estimated From Relocated Aftershocks, Pure Applied Geophys., 160, 1829-1841 [Abstract].
  14. Hurukawa, N., 2002, Rapid Joint Relocation of a Large Earthquake and its Aftershocks Using Global and Regional Data, Seismological Research Letters, 73, 877-883 [Abstract].
  15. Selim, M. M., M. Imoto, and Hurukawa, N., 2002, Statistical investigation of reservoir-induced seismicity in Aswan area, Egypt, Earth, Planetary Space, 54, 349-356 [Abstract] | [Full text] (PDF 296 KB).
  16. Hurukawa, N., N. Seto, H. Inoue, K. Nishigami, I. Marzouk, A. Megahed, E. M. Ibrahim, H. Murakami, M. Nakamura, T. Haneda, S. Sugiyama, T. Ohkura, Y. Fujii, H. M. Hussein, A. S. Megahed, H. F. Mohammed, R. Abdel-Fattah, M. Mizoue, S. Hashimoto, M. Kobayasi and D. Suetsugu, 2001, Seismological Observations in and around the southern part of the Gulf of Suez, Egypt, Bull. Seismol. Soc. Am., 91, 708-717 [Abstract].
  17. Hurukawa, N., 1999, A fault plane of the 1998 Papua New Guinea earthquake estimated from relocated aftershocks using data of the International Data Center of CTBT, Zisin (J. Seismol. Soc. Jpn), 52, 95-99 (in Japanese).
  18. Hurukawa, N., 1998, The 1995 off-Etorofu Earthquake: Joint Relocation of Foreshocks, Mainshock, and Aftershocks and Earthquake Nucleation Process, Bull. Seismol. Soc. Am., 88, 1112-1126 [Abstract].
  19. Ohmi, S. and Hurukawa, N., 1996, Detection of the subducting crust of oceanic plates beneath the Kanto district, Japan, Tectonophysics, 261, 249-276 [Abstract].
  20. Hurukawa, N., 1995, 1983 Tottori earthquake and its aftershocks caused by fault-normal stress, Zisin (J. Seismol. Soc. Jpn), 48, 435-437 (in Japanese with English abstract).
  21. Hurukawa, N., 1995, Quick aftershock relocation of the 1994 Shikotan earthquake and its fault planes, Geophys. Res, 22, 3159-3162 [Abstract].
  22. Hurukawa, N., and Ohmi, S., 1993, A hypocenter-determination method using station corrections as a function of hypocenter coordinates, Zisin (J. Seismol. Soc. Jpn), 46, 285-295 (in Japanese with English abstract).
  23. Hurukawa, N., and Imoto, M., 1993, A non double-couple earthquake in a subducting oceanic crust of the Philippine Sea plate, J. Phys. Earth, 41, 257-269 [Abstract] | [Full text] (PDF 296 KB).
  24. Hurukawa, N., and Imoto, M., 1992, Subducting oceanic crusts of the Philippine Sea and Pacific plates and weak-zone-normal compression in the Kanto district, Japan, Geophys. J. Int, 109, 639-652 [Abstract].
  25. Hurukawa, N., and Imoto, M., 1990, Fine structure of an underground boundary between the Philippine Sea and Pacific plates beneath the Kanto district, Japan, Zisin (J. Seismol. Soc. Jpn), 43, 413-429 (in Japanese with English abstract).
  26. Imoto, M., Hurukawa, N., and Ogata, Y., 1990, Tree-dimensional spatial variations of b-value in the Kanto area, Japan, Zisin (J. Seismol. Soc. Jpn), 43, 321-326.
  27. Hurukawa, N., and Imoto, M., 1989, A Bayesian approach to the detection of temporal change in P wave velocity, J. Geophys. Res., 94, 1649-1654 [Abstract].
  28. Hurukawa, N., 1987, Simultaneous determination of hypocenters and P velocities in source regions of subcrustal earthquakes in the Tokai district, central Japan, Zisin (J. Seismol. Soc. Jpn), 40, 551-560 (in Japanese with English abstract).
  29. Hurukawa, N., and Imoto, M., 1987, P and S velocities in the source region of subcrustal earthquakes in the Tokai district, central Japan, J. Phys. Earth, 35, 1-17 [Full text].
  30. Hurukawa, N., and Imoto, M., 1986, P-wave velocity in the source region of the eastern Yamanashi earthquakes, Zisin (J. Seismol. Soc. Jpn), 39, 35-45 (in Japanese with English abstract).
  31. Hurukawa, N., 1984, A new method to determine the velocity gradient in the upper crust and the Conrad discontinuity by using travel-time data of aftershocks, Zisin (J. Seismol. Soc. Jpn), 37, 491-501 (in Japanese with English abstract).
  32. Amaike, F. Takeuchi, F., Kasuga, S., Hurukawa, N., and Hirano, N., 1984, Seismic exploration of the buried fault associated with the Fukui earthquake, 1948 and its tectonic implications, Zisin (J. Seismol. Soc. Jpn), 37, 441-452 (in Japanese with English abstract).
  33. Hurukawa, N., Kasuga, S., Takeuchi, F., and Amaike, F., 1984, Investigation of the Fukui-earthquake fault in the Fukui plain by means of array observation of microtremors, Zisin (J. Seismol. Soc. Jpn), 37, 207-215 (in Japanese with English abstract).
  34. Hurukawa, N., Takeuchi, F., Kasuga, S., Hirano, N., and Amaike, F. 1983, Observational study on 1-to 5-sec microtremors around the Fukui earthquake fault in the Fukui plain, Bull. Disas. Prev. Res. Inst., Kyoto Univ., 26, 123-134 (in Japanese with English abstract).
  35. Hurukawa, N., 1983, Uppermost-mantle structure in the Kinki district, Japan as revealed by apparent velocities of subcrustal earthquakes in the Kii peninsula, J. Phys. Earth, 31, 47-64 [Full text].
  36. Hurukawa, N., 1983, Pn velocity and Moho-offset at the west of Lake Biwa in the Kinki district, Japan, J. Phys. Earth, 31, 33-46 [Full text].
  37. Hurukawa, N., 1981, Normal faulting microearthquakes occurring near the Moho discontinuity in the northeastern Kinki district, Japan, J. Phys. Earth, 29, 519-535 [Full text].
  38. Hurukawa, N., 1981, sPmP phases observed in the eastern part of the Kii peninsula, Zisin (J. Seismol. Soc. Jpn), 34, 341-350 (in Japanese with English abstract).
  39. Hurukawa, N., and Hirahara, K., 1980, Structure of the Philippine Sea plate subducting beneath the Kii peninsula, Zisin (J. Seismol. Soc. Jpn), 33, 303-316 (in Japanese with English abstract).
  40. Okada, H., Moriya, T., Masuda, T., Hasegawa, T., Asano, S., Kasahara, K., Ikami, A., Aoki, H., Sasaki, Y.,Hurukawa, N., and Matsumura, K., 1978, Velocity anisotropy in the Sea of Japan as derived by big explosions, J. Phys. Earth, 26, S491-S502 [Full text] (PDF 296 KB).
  41. Ikami, A., Yamada, I., Murakami, H., Hurukawa, N., and Takeuchi, F., 1977, Crustal structure in central Japan as derived from the Inabu quarry blast observations, Bull. Disas. Prev. Res. Inst., Kyoto Univ., 27, 23-46.