Resistivity structure of Unzen Volcano derived from time domain electromagnetic (TDEM) survey

Journal of Volcanology and Geothermal Research

Volumn 175, Issue 1-2, 2008, Pages 231-240

  Srigutomo, Wahyu ^a   Kagiyama, Tsuneomi ^a   Kanda, Wataru ^a   Munekane, Hiroshi ^b   Hashimoto, Takeshi ^c   Tanaka, Yoshikazu ^a   Utada, Hisashi ^c,d   Utsugi, Mitsuru ^a  

^a KYOTO UNIVERSITY   (Japan)

^b GEOGRAPHICAL SURVEY INSTITUTE   (Japan)

^c HOKKAIDO UNIVERSITY   (Japan)

^d UNIVERSITY OF TOKYO   (Japan)

Author keywords

conductance distribution; resistivity structure; time domain electromagnetic survey; Unzen Volcano

Indexed keywords

CHLORINE COMPOUNDS; DEGASSING; ELECTROMAGNETISM; LANDFORMS; MAGNETIC DOMAINS; MAGNETIC FIELDS; MAGNETIC MATERIALS; OCEANOGRAPHY; SEA LEVEL; TIME DOMAIN ANALYSIS; VOLCANIC ROCKS; VOLCANOES; WATER LEVELS;

CONDUCTANCE DISTRIBUTION; CONDUCTIVE LAYERS; DEFORMATION STUDIES; GENERAL FEATURE; MAGMA DEGASSING; MAGMA MIGRATION; RESISTIVITY STRUCTURE; SURFACE LAYERING; TIME DOMAIN ELECTROMAGNETIC; TIME DOMAINS; TIME-DOMAIN ELECTROMAGNETIC SURVEY; UNZEN VOLCANO; VOLCANIC GASES;

SURVEYS;

DATA ACQUISITION; DEGASSING; ELECTRICAL CONDUCTIVITY; ELECTRICAL RESISTIVITY; ELECTROMAGNETIC SURVEY; MAGMA ASSIMILATION; MAGNETIC FIELD; TIME DOMAIN REFLECTOMETRY; VOLCANIC GAS;

ASIA; EURASIA; FAR EAST; JAPAN; KYUSHU; NAGASAKI [KYUSHU]; SHIMABARA PENINSULA; TACHIBANA BAY; UNZEN VOLCANO;

EID: 50049128969     PISSN: 03770273     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jvolgeores.2008.03.033     Document Type: Article

References (47)

1. Akaike H. Likelihood and Bayes procedures. In: Bernard J.M., deGroot H.M., Lindley D.V., and Smith A.F. (Eds). Bayesian Statistic (1980), University Press, Valencia 143-166
2. Constable S.C., Parker R.L., and Constable C.G. Occam's inversion: A practical algorithm for generating smooth models from electromagnetic sounding data. Geophysics 52 (1987) 289-300
3. Farquharson C.G., and Oldenburg D.W. Inversion of time-domain electromagnetic data for a horizontally layered earth. Geophys. J. Int. 114 (1993) 433-442
4. Hashimoto T. Self-potential changes and subsurface hydrothermal activity accompanying the 1990-1995 eruption of Unzen volcano. J. Geomagn. Geoelectr. 49 (1997) 977-993
5. Hermance J.F. Electrical conductivity models of the crust and mantle. AGU Ref. Shelf 1, Global Earth Phys., Handbook of Phys. Constants (1995) 190-205
6. Hoshizumi H., Uto K., Matsumoto A., Xu S., and Oguri K. Geology of Unzen volcano and core stratigraphy of the flanks drillings. Extended abstract volume of International workshop on Unzen Scientific Drilling Project (USDP) (2002) 4-8
7. Hoshizumi H., Uto K., and Watanabe K. Geology and eruptive history of Unzen volcano, Shimabara Peninsula, Kyushu, SW Japan. J. Volcanol. Geotherm. Res. 89 (1999) 81-94
8. Hyndman R.D., and Shearer P.M. Water in the lower continental crust: modelling magnetotelluric and seismic reflection results. Geophys. J. Int. 98 (1989) 343-365
9. Ishihara K. Continuous magma supply inferred from discharge rate magma and ground-deformation rate at Mt. Unzen, Japan. Annuals, Disas. Prev. Res., Inst. Kyoto Univ., 36 B-1 (1993) 219-230 (in Japanese)
10. Japan Meteorological Agency. Unzendake, National Catalogue of Active Volcanoes in Japan. 3rd edition (2006) 504-518 (in Japanese)
11. Jones A.G. MT and reflection: an essential combination. Geophys. J. R. Astron. Soc. 89 (1987) 7-18
12. Jones A.G., and Dumas I. Electromagnetic images of a volcanic zone. Phys. Earth Planet. Inter. 81 (1993) 289-314
13. Kagiyama T., Utada H., Masutani F., Yamamoto T., Murakami H., Tanaka Y., Masuda H., Hashimoto T., Honkura Y., Mishina M., and Shimizu H. MT observations around Unzen volcano and the estimated process of magma ascent. Report of Grant-in-Aid Scientific Research (No. 03306009; Ohta, K.) (1992) 73-86 (in Japanese)
14. Kagiyama T., Utada H., Y, and amamoto T. Magma ascent beneath Unzen Volcano, SW Japan, deduced from the electrical resistivity structure. J. Volcanol. Geotherm. Res. 89 (1999) 35-42
15. Kanda, W., 1997. On a deep transient electromagnetic sounding-measurement and modeling. Ph.D Thesis, The University of Tokyo, Japan.
16. Kanda W., Utada H., Mishina M., and Sumitomo N. A deep transient EM experiment in the northern part of Miyagi Perfecture, northeastern Japan. J. Geomagn. Geoelectr. 48 (1996) 1265-1280
17. Kaufman A.A., and Keller G.V. Frequency and transient soundings (1983), Elsevier, Amsterdam
18. Keller G.V., Pritchard J.I., Jacobson J.J., and Harthill N. Megasource time domain electromagnetic sounding method. Geophysics 49 (1984) 993-1009
19. Korja T., Engels M., Zhamaletdinov A.A., Kovtun A.A., Palshin N.A., Smirnov M.Y., Tokarev A.D., Asming V.E., Vanyan L.L., Vardaniants I.L., and BEAR working group. Crustal conductivity in Fennoscandia - a compilation of a database on crustal conductance in the Fennoscandian Shield. Earth Planets Space 54 (2001) 535-558
20. Kusi R., White A., Heinson G., and Milligan P. Electromagnetic induction studies in the Eyre Peninsula, South Australia. Geophys. J. Int. 132 (1998) 687-700
21. Lenat J.F., Fitterman D., Jackson D.B., and Labazuy P. Geoelectrical structure of the central zone of Piton de la Fournaise volcano (Réunion). Bull. Volcanol. 62 (2000) 75-89
22. Llera F.J., Sato M., Nakatsuka K., and Yokoyama H. Temperature dependence of the electrical resistivity of water-saturated rocks. Geophysics 55 (1990) 576-582
23. Mitsuhata Y. Application of prior information of smooth resistivity structure to 1-D inversion of magnetotelluric data by using the ABIC minimization method. Butsuri Tansa 47 (1994) 358-374
24. Nakada S. On the magma reservoir of Unzen Volcano. Report of Grant-in-Aid Scientific Research (A) (No. 06306011; K. Ohta) on "Research on the preliminary survey for Joint Exploration Experiment of Unzen Volcano" (1996) 93-102 (in Japanese)
25. Nakada S. Eruption mechanisms of Unzen Volcano. In: Yamashita T. (Ed). Observations of Earth's lively motions (2000), Iwanami, Tokyo 107-128
26. Nakada S., and Motomura Y. Petrology of the 1991-1995 eruption at Unzen: effusion pulsation and groundmass crystallization. J. Volcanol. Geotherm. Res. 89 (1999) 173-196
27. Nakada S., Shimizu H., and Ohta K. Overview of the 1990-1995 eruption at Unzen Volcano. J. Volcanol. Geotherm. Res. 89 (1999) 1-22
28. Nesbitt B.E. Electrical resistivities of crustal fluids. J. Geophys. Res. 98 (1993) 4301-4310
29. New Agency Development Organization (NEDO). Western Area of Unzen. Report of promotional exploration for geothermal research (1988) 15 (in Japanese)
30. Newman G.A., Wannamaker P.E., and Hohmann G.W. On the detectability of crustal magma chambers using the magnetotelluric method. Geophysics 50 (1985) 1136-1143
31. Nishi H., Ono H., and Mori H. Global positioning system measurements of ground deformation caused by magma intrusion and lava discharge: the 1990-1995 eruption at Unzendake volcano, Kyushu, Japan. J. Volcanol. Geotherm. Res. 89 (1999) 23-34
32. 4He in hot spring gas released from Unzen volcanic area, Japan. J. Volcanol. Geotherm. Res. 111 (2001) 89-98
33. Ogawa Y., and Uchida T. A two-dimensional magnetotelluric inversion assuming Gaussian static shift. Geophys. J. Int. 126 (1996) 69-76
34. Ogawa Y., Matsushima N., Oshima H., Takakura S., Utsugi U., Hirano K., Igarashi M., and Doi T. A resistivity cross-section of Usu volcano, Hokkaido Japan, By audiomagnetotelluric soundings. Earth Planets Space 50 (1998) 339-346
35. Ohmi S., and Lees J.M. Three-dimensional P- and S-wave velocity structure below Unzen Volcano. J. Volcanol. Geotherm. Res. 65 (1995) 1-26
36. Ohsawa S., Kazahaya K., Yasuhara M., Kono T., Kitaoka K., Yusa Y., and Yamaguchi K. Escape of volcanic gas into shallow groundwater system at Unzen volcano (Japan): Evidence from chemical and stable carbon isotope composition of dissolved inorganic carbon. Limnology 3 (2002) 169-173
37. Pellerin L., and Hohmann G.W. Transient electromagnetic inversion: a remedy for magnetotelluric static shifts. Geophysics 55 (1990) 1242-1250
38. Poddar M. Grounded-source TEM modeling of some deep-seated 3D resistivity structures. Geophys. Prospect. 47 (1999) 945-958
39. Smith J.T., and Booker J.R. Magnetotelluric inversion for minimum structure. Geophysics 53 (1988) 1565-1576
40. Strack K.M. Exploration with deep transient electromagnetics (1992), Elsevier, Amsterdam
41. Strack K.M., Hanstein T.H., and Eilenz H.N. LOTEM data processing for areas with high cultural noise levels. Phys. Earth Planet. Inter. 53 (1989) 261-269
42. Takahashi H.A., Kazahaya K., Sinohara H., and Nakamura T. Pathways for escape of magmatic carbon dioxide to soil air at Unzen Volcano, SW Japan. Radiocarbon 46 (2004) 491-496
43. Uchida T. Smooth 2-D inversion for magnetotelluric data based on statistical criterion ABIC. J. Geomagn. Geoelectr. 45 (1993) 841-858
44. Umakoshi K., Shimizu H., and Matsuwo N. Magma ascent path in the 1990-1994 eruption of Fugendake, Unzen volcano, as inferred from precisely determined hypocentral distribution. Bull. Volcanol. Soc. Japan. 39 (1994) 223-235 (in Japanese with English abstract)
45. Umakoshi K., Shimizu H., and Matsuwo N. Volcano-tectonic seismicity at Unzen Volcano, Japan, 1985-1999. J. Volcanol. Geotherm. Res. 112 (2001) 117-131
46. Ward S.H., and Hohmann G.W. Electromagnetic theory for geophysical applications. In: Nabighian M.N. (Ed). Electromagnetic Methods in Applied Geopjysics. Soc. Expl. Geophys., Tulsa vol. 1 (1988)
47. Wright P.M., Ward S.H., Ross H.P., and West R.C. State-of-the-art geophysical exploration for geothermal resources. Geophysics 50 (1985) 2666-2699