Waveform inversion of oscillatory signatures in long-period events beneath volcanoes

Journal of Geophysical Research: Solid Earth

Volumn 107, Issue 11, 2002, Pages

  Kumagai, Hiroyuki ^a   Chouet, Bernard A ^b   Nakano, Masaru ^c  

^a National Research Institute for Earth Science and Disaster Prevention   (Japan)

^b U S GEOLOGICAL SURVEY   (United States)

^c NAGOYA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

HYDROTHERMAL SYSTEM; MOMENT TENSOR; SEISMICITY; SOURCE PARAMETERS; VOLCANOLOGY; WAVEFORM ANALYSIS;

HONSHU; JAPAN; KUSATSU-SHIRANE VOLCANO;

EID: 0038556712     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: None     Document Type: Article

References (26)

1. Akaike, H., A new look at the statistical model identification, IEEE Trans. Autom. Control., AC-9, 716-723, 1974.
2. Aki, K., M. Fehler, and S. Das, Source mechanism of volcanic tremor: Fluid-driven crack models and their application to the 1963 Kilauea eruption, J. Volcanol. Geotherm. Res., 2, 259-287, 1977.
3. Aoyama, H., and M. Takeo, Wave properties and focal mechanisms of N-type earthquakes at Asama volcano, J. Volcanol. Geotherm. Res., 105, 163-182, 2001.
4. Bouchon, M., Discrete wave number representation of elastic wave fields in three-space dimensions, J. Geophys. Res., 84, 3609-3614, 1979.
5. Chouet, B., Free surface displacements in the near field of a tensile crack expanding in three dimensions, J. Geophys. Res., 87, 3868-3872, 1982.
6. Chouet, B., Excitation of a buried magmatic pipe: A seismic source model for volcanic tremor, J. Geophys. Res., 90, 1881-1893, 1985.
7. Chouet, B., Dynamics of a fluid-driven crack in three dimensions by the finite difference method, J. Geophys. Res., 91, 13,967-13,992, 1986.
8. Chouet, B., Resonance of a fluid-driven crack: Radiation properties and implications for the source of long-period events and harmonic tremor, J. Geophys. Res., 93, 4375-4400, 1988.
9. Chouet, B., A seismic model for the source of long-period events and harmonic tremor, in Volcanic Seismology, edited by P. Gasparini, R. Scarpa, and K. Aki, pp. 133-156, Springer-Verlag, New York, 1992.
10. Chouet, B. A., Long-period volcano seismicity: Its source and use in eruption forecasting, Nature, 380, 309-316, 1996.
11. Crosson, R. S., and D. A. Bame, A spherical source model for low frequency volcanic earthquakes, J. Geophys. Res., 90, 10,237-10,247, 1985.
12. Fujita, E., Y. Ida, and J. Oikawa, Eigen oscillation of a fluid sphere and source mechanism of harmonic volcanic tremor, J. Volcanol. Geotherm. Res., 69, 365-378, 1995.
13. Hamada, N., H. Jingu, and K. Ikumoto, On the volcanic earthquake with slowly decaying coda wave (in Japanese with English abstract), Bull. Volcanol. Soc. Jpn., 21, 167-183, 1976.
14. Ida, Y., N. Osada, M. Sawada, E. Koyama, and T. Kagiyama, Seismological study based on recently installed permanent stations and a small eruptive event on January 6, 1989 at Kusatsu-Shirane volcano, Bull. Earthquake Res. Inst., Univ. Tokyo, 64, 325-345, 1989.
15. Kubotera, A., Volcanic tremors at Aso volcano, in Physical Volcanology, edited by L. Civetta, P. Gasparini, G. Luongo, and A. Rapolla, pp. 29-47, Elsevier Sci., New York, 1974.
16. Kumagai, H., and B. A. Chouet, The complex frequencies of long-period seismic events as probes of fluid composition beneath volcanoes, Geophys. J. Int., 138, F7-F12, 1999.
17. 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.
18. Kumagai, H., and B. A. Chouet, The dependence of acoustic properties of a crack on the mode and geometry, Geophys. Res. Lett., 28, 3325-3328, 2001.
19. Kumagai, H., T. Ohminato, M. Nakano, M. Ooi, A. Kubo, H. Inoue, and J. Oikawa, Very-long-period seismic signals and caldera formation at Miyake Island, Japan, Science, 293, 687-690, 2001.
20. 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, doi:10.1029/2001JB000653, in press, 2002.
21. 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 autoregressive model of a linear dynamic system, J. Geophys. Res., 103, 10,031-10,046, 1998.
22. Nishimura, T., H. Nakamichi, S. Tanaka, M. Sato, T. Kobayashi, S. Ueki, H. Hamaguchi, M. Ohtake, and H. Sato, Source process of very long period seismic events associated with the 1998 activity of Iwate Volcano, northeastern Japan, J. Geophys. Res., 105, 19,135-19,417, 2000.
23. Ohminato, T., B. A. Chouet, P. Dawson, and S. Kedar, Waveform inversion of very long period impulsive signals associated with magmatic injection beneath Kilauea Volcano, Hawaii, J. Geophys. Res., 103, 23,839-23, 862, 1998.
24. Shima, M., On the second volcanic micro-tremor at volcano Aso, Bull. Disaster Prev. Res. Inst., Kyoto Univ., 22, 1-6, 1958.
25. Takei, Y., and M. Kumazawa, Why have the single force and torque been excluded from seismic source models?, Geophys. J. Int., 95, 19,377-19, 393, 1994.
26. Takei, Y., and M. Kumazawa, Phenomenological representation and kinematics of general seismic sources including the seismic vector modes, Geophys. J. Int., 121, 641-662, 1995.