Mapping of a magma reservoir beneath Nikko-Shirane volcano in northern Kanto, Japan, from travel time and seismogram shape anomalies

Journal of Geophysical Research: Solid Earth

Volumn 102, Issue B8, 1997, Pages 18071-18090

  Horiuchi, Shigeki ^a,b   Tsumura, Noriko ^a,b   Hasegawa, Akira ^a  

^a TOHOKU UNIVERSITY   (Japan)

^b CHIBA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

MAGMA CHAMBER; SEISMOGRAM; SHADOW ZONE; TRAVELTIME; VOLCANO;

JAPAN, HONSHU, KANTO, NIKKO-SHIRANE VOLCANO;

EID: 0031423997     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/97jb00974     Document Type: Article

References (37)

1. Ake, J. P., and A. R. Sanford, New evidence for the existence and internal structure of a thin layer of magma at mid-crustal depths near Socorro, New Mexico, Bull. Seismol. Soc. Am., 78, 1335-1359, 1988.
2. Brown, L. D., C. E. Chapin, A. R. Sanford, S. Kaufman, and J. Oliver, Deep structure of the Rio Grande Rift from seismic reflection profiling, J. Geophys. Res, 85, 4773-4800, 1980.
3. Catchings, R. D., Crustal structure of east central Oregon: Relation between Newberry Volcano and regional crustal structure, J. Geophys. Res., 93, 10,081-10,094, 1988.
4. Chiarabba, C., A. Amato, and A. Fiordelisi, Upper crustal tomographic images of the Amiata-Vulsini geothermal region, central Italy, J. Geophys. Res., 100, 4053-4066, 1995.
5. Dawson, P. B., J. R. Evans, and H. M. Lyer, Teleseismic tomography of the compressional wave velocity structure beneath the Long Valley region, California, J. Geophys. Res., 95, 11,021-11,050, 1990.
6. Group for the 1993 Joint Seismic Observation, A very dense seismic array observation for imaging the crust and seismic sources - The 1993 Joint Seismic Observation in and around Nikko area, paper presented at the 1994 Japan Earth and Planetary Science Joint meeting, Sponsored by 13 societies about Earth and Planetary Science, Sendai, 1994.
7. Hasegawa, A., 1993 Joint Seismic Observation in and around Nikko area (in Japanese), Earth Mon., 16(4), 200-207, 1994.
8. Hasegawa, A., N. Umino, and A. Takagi, Double-planed structure of the deep seismic zone in the northeastern Japan arc, Tectonophysics, 47, 43-58, 1978.
9. Hasegawa, A., D. Zhao, S. Hori, A. Yamamoto and S. Horiuchi, Deep structure of the northeastern Japan arc and its relationship to seismic and volcanic activity, Nature, 352(6337), 683-689, 1991.
10. Hasemi, A., H. Ishii, and A. Hasegawa, Fine structure beneath the Tohoku District, northeastern Japan arc, as derived by an inversion of P-wave arrival times from local earthquakes, Tectonophysics, 101, 245-265, 1984.
11. Hori, S., and A. Hasegawa, Location of a mid-crustal magma body beneath Mount Moriyoshi, northern Akita Prefecture, as estimated from reflected SxS phase (in Japanese with English abstract), J. Seismol. Soc. Jpn., 44, 39-48, 1991.
12. Horiuchi, S. H., Ishii, and A. Takagi, two-dimensional depth structure of the crust beneath the Tohoku District, the north-eastern Japan arc, 1, Method and Conrad discontinuity, J. Phys. Earth, 30, 255-281, 1982.
13. Horiuchi, S., A. Hasegawa, A. Takagi, A. Ito, M. Suzuki, and H. Kameyama, Mapping of a melting zone near Mount Nikko-Shirane in northern Kanto, Japan, as inferred from SxP and SxS reflections, Tohoku Geophys. J., 31, 43-55, 1988.
14. Horiuchi, S., et al., Location of magma reservoir beneath Bandai Volcano deduced from fan-shooting seismic survey(in Japanese with English abstract), J. Seismol. Soc. Jpn., 43, 379-387, 1990.
15. Horiuchi, S., T. Matsuzawa, and A. Hasegawa, A real-time processing system of seismic wave using personal computers, J. Phys. Earth, 40, 395-406, 1992.
16. Inamori, T., S. Horiuchi, and A. Hasegawa, Location of mid-crustal reflectors by a reflection method using aftershock waveform data in the focal region of the 1984 western Nagano Prefecture earthquake, J. Phys. Earth, 40, 379-393, 1992.
17. Ito, A., Y. Haryu, M. Suzuki, T. Matsumoto, A. Hasegawa, and M. Kasahara, Seismic activity in the Nikko-Ashio region before and after the 1993 Nikko Joint Observation(in Japanese), Earth Mon., 17(2), 76-80, 1995.
18. Iwase, R., S. Urabe, K. Katsumata, M. Moriya, I. Nakamura, and M. Mizoue, Mid-crustal magma body in southwestern Fukashima Prefecture detected by reflected waves from microearthquakes, Programme Abstr. Seismol. Soc. Jpn., no. 1, 185, 1989.
19. Kaihara, K, S. Horiuchi, A. Hasegawa, K. Nida, T. Kono, S. Hori, and K. Kasahara, Spatial variation of high frequency seismic waves caused by a lateral heterogeneity of sedimentary layer (in Japanese with English Abstract), J. Seismol. Soc. Jpn., 49, 169-177, 1996.
20. Lees, J. M., and R. S. Crosson, Tomographic inversion for three-dimensional velocity structure at Mount St. Helens using earthquake data, J. Geophys. Res., 94, 5716-5728, 1989.
21. Matsumoto, S., and A. Hasegawa, Distribution of S-wave reflector in the Nikko-Ashio area(in Japanese), Earth Mon., 17(2), 85-89, 1995.
22. Matsumoto, S., and A. Hasegawa, Distinct S wave reflector in the midcrust beneath Nikko-Shirane volcano in the northeastern Japan arc, J. Geophys. Res., 101, 3067-3083, 1996.
23. Matsumoto, S., T. Tsumura, T. Okada, and A. Hasegawa, P wave velocity structure beneath Nikko area (in Japanese), Earth Mon., 17(2), 81-85, 1995.
24. Mizoue, M., and Y. Ishiketa, Detection of melting zone beneath the focal area of the 1984 western Nagano Prefecture earthquake and beneath the southern foot of Mount Ontake (in Japanese), Earth Mon, 10(11), 700-705, 1988.
25. Mizoue, M., I. Nakamura, and T. Yokota, Mapping of an unusual crustal discontinuity by microearthquake reflection in the earthquake swarm area near Ashio, northwestern part of Tochigi Prefecture, central Japan, Bull. Earthquake. Res. Inst. Univ. Tokyo, 57, 653-686, 1982.
26. Murase, T., and T. Suzuki, Ultrasonic velocity of longitudinal waves in molten rocks, J. Fac. Sci. Hokkaido Univ., Ser. VII, 2(3), 273-285, 1966.
27. Nishiwaki, M., Y. Morita, S. Ryu, T. Kakishita, Y. Osada, and N. Nagai, Location of anomalous reflectors, as determined from SxS phases observed by array network of Matsushiro, Programme Abst. Seismol. Soc. Jpn., no.1, 184, 1989.
28. Obara, K., A. Hasegawa, and A. Takagi, Three dimensional P and S wave velocity structure beneath the northeastern Japan arc ( in Japanese with English Abstract), J. Seismol. Soc. Jpn., 39, 201-215, 1986.
29. Ogino, I., Seismic activity in Ashio area, Tochigi Prefecture, preliminary report(in Japanese), Bull. Earthquake. Res. Inst. Univ. Tokyo, 12, 159-169, 1974.
30. Ono, K., K. Ito, I. Hasegawa, K. Ichikawa, S. Iizuka, T. Kurata, and H. Suzuki, Explosion seismic studies in south Kyushu especially around Sakurajima Volcano, J. Phys. Earth, 26, s309-s319, 1978.
31. Romero, A. E. Jr., T. V. McEvilly, and E. L. Majer, Velocity structure of the Long Valley caldera from the inversion of local earthquake P and S travel times, J. Geophys. Res., 98, 19,869-19,879, 1993.
32. Sanford, A. R., O. Alptekin, and T. R. Toppozada, Use of reflection phases on microearthquake seismograms to map an unusual discontinuity beneath the Rio Grande Rift, Bull. Seismol. Soc. Am., 63, 2021-2034, 1973.
33. Toumiya, A., A magma-feeding system and its thermal effect on seismicity at Mount Nikko-Shirane(in Japanese), Earth Mon, 17(2), 107-112, 1995.
34. Tsumura, N., Simultaneous estimation of attenuation structure, source parameters and site response spectra - Application to the northeastern part of Honshu, Japan, Doctor's thesis, Tohoku Univ., Sendai, Japan, 1995.
35. Yamamoto, K., M. Kosuga, and T. Hirasawa, A theoretical method for determination of effective elastic constants of isotropic composites, Tohoku Geophys J., 28(1) 47-67, 1981.
36. Zhao, D., A. Hasegawa, and S. Horiuchi, Tomographic imaging of P and S wave velocity structure beneath northeastern Japan, J. Geophys. Res, 97, 19,909-19,928, 1992.
37. Zhao, D., A. Hasegawa, and H. Kanamori, Deep structure of Japan subduction zone as derived from local, regional, and teleseismic events, J. Geophys. Res., 99, 22,313-22329, 1994.