‚PDŽ–¼: ŒF’J ”Ž”V
‚QD‹Žº: ‘æ“ñ’nk’²¸Œ¤‹†“ 2ŠK 203Žº
‚RDTEL: 029-863-7606
‚SDFAX: 029-863-7610
‚TD“dŽqƒ[ƒ‹:
‚UDê–啪–ì: ‰ÎŽR’nkŠw
‚VDÅ‹ß‚ÌŒ¤‹†ƒe[ƒ}:
  • ‰ÎŽR‚Å”­¶‚·‚é’nkŒ»Û‚Ì•¨—‰ß’ö‚ÉŠÖ‚·‚錤‹†
  • ‚WDŠ‘®ƒvƒƒWƒFƒNƒg:
  • ’nkŠÏ‘ª–Ԃ̉^—p
  • ‰ÎŽR•¬‰Î—\’m‚ÉŠÖ‚·‚錤‹†
  • ‚XD˜_•¶ƒŠƒXƒg:
  • Molina, I., H. Kumagai, and H. Yepes, Resonances of a volcanic conduit triggered by repetitive injections of an ash-laden gas, Geophys. Res. Lett., 31, L03603, doi:10.129/2003GL018934, 2004
  • Nakano, M., H. Kumagai, and B.A. Chouet, Source mechanism of long-period events at Kusatsu-Shirane Volcano, Japan, inferred from waveform inversion of the effective excitation functions, J. Volcanol. Geotherm. Res., 122, 149-164, 2003
  • Kumagai, H., K. Miyakawa, H. Negishi, H. Inoue, K. Obara, and D. Suetsugu, Magmatic dike resonances inferred from very-long-period seismic signals, Science, 299, 2058-2061 (10.1126/science.1081195), 2003
  • Kumagai, H., B.A. Chouet, and M. Nakano, Waveform inversion of oscillatory signatures in long-period events beneath volcanoes, J. Geophys. Res., 107, 2301, doi:10.1029/2001JB001704, 2002
  • Kumagai, H., B.A. Chouet, and M. Nakano, Temporal evolution of a hydrothermal system in Kusatsu-Shirane Volcano, Japan, inferred from the complex frequencies of long-period events, J. Geophys. Res., 107, 2236, doi:10.1029/2001JB000653, 2002
  • Kumagai, H. and B.A. Chouet, The dependence of acoustic properties of a crack on the resonance mode and geometry, Geophys. Res. Lett., 28, 3325-3328, 2001
  • Kumagai, H., T. Ohminato, M. Nakano, M. Ooi, A. Kubo, H. Inoue, and J. Oikawa, Very-long-period seismic signals and the caldera formation at Miyake Island, Japan, Science, 293, 687-690, 2001
  • Tomatsu, T., H. Kumagai and P.B. Dawson, Tomographic inversion of P-wave velocity and Q structures beneath the Kirishima volcanic complex, southern Japan, based on the finite-difference calculations of the complex travel times, Geophys. J. Int., 146, 781-794, 2001
  • Hasada, Y., H. Kumagai and M. Kumazawa, Autoregressive modeling of transfer functions in frequency domain to determine complex travel times, Earth Planets Space, 53, 3-11, 2001
  • Kumagai, H. and B.A. Chouet, Acoustic properties of a crack containing magmatic or hydrothermal fluids, J. Geophys. Res., 105, 25,493-25,512, 2000
  • Kumagai, H., Y. Fukao, S. Watanabe and Y. Baba, A self-organized model of earthquakes with constant stress drops and the b-value of 1, Geophys. Res. Lett. 26, 2817-2820, 1999
  • Kumagai, H. and B.A. Chouet, The complex frequencies of long-period seismic events as probes of fluid compositions beneath volcanoes, Geophys. J. Int. 138, F7-F12, 1999
  • Takai, K., H. Kumagai and N. Fujii, Evidence for slow slip following a moderate-size earthquake (Mw=5.7) in a subducting plate, Geophys. Res. Lett., 26, 2113-2116, 1999
  • Nakano, M., H. Kumagai, M. Kumazawa, K. Yamaoka and B.A. Chouet, The excitation and characteristic frequency of the long-period volcanic event: an approach based on an inhomogeneous AR model of a linear dynamic system, J. Geophys. Res., 103, 10031-10046, 1998
  • ˆê——‚É–ß‚é
    2005/12/09 updated