Spatial distribution of coda scatterers in the crust around two active volcanoes and one active fault system in central Japan: Inversion analysis of coda envelope

aki, 1969, Analysis of the seismic coda of local earthquakes as scattered waves, J. Geophys. Res., 74, 615, 10.1029/JB074i002p00615 Aki, 1975, Origin of coda waves: Source, attenuation and scattering effects, J. Geophys. Res., 80, 3322, 10.1029/JB080i023p03322 Aki, 1980, Quantitative seismology, theory and methods, 728 Capon, 1969, High-resolution frequency-wavenumber spectrum analysis, 57, 1408 Doll, 1988, Seismic imaging of the Puritan Batholith, Wisconsin, using split array cross-correlator processing, J. Geophys. Res., 93, 8023, 10.1029/JB093iB07p08023 Gupta, 1990, Broadband FK analysis of array data to identify sources of local scattering, Geophys. Res. Lett., 17, 183, 10.1029/GL017i002p00183 Hasegawa, 1994, 1993 joint seismic observation in and around Nikko area, B10 Herraiz, 1987, Coda waves: A review, Pure Appl. Geophys., 125, 499, 10.1007/BF00879572 The Members of the 1986 Joint Seismological Research, 1992, Hypocenter locations by a dense network, J. Phys. Earth, 40, 313, 10.4294/jpe1952.40.313 Inamori, 1992, Location of midcrustal reflectors by a reflection method using aftershock waveform data in the focal area of the 1984 Western Nagano Prefecture earthquake, J. Phys. Earth, 40, 379, 10.4294/jpe1952.40.379 Iwase, 1989, Mid-crustal molten bodies in Southwestern part of Fukushima Prefecture detected from reflection phases in microearthquake seismograms, Prog. Abstr. Seismol. Soc. Jpn., 1, C11 Kishimoto, 1978, On the telemeter observation system of the Tottori and Hokuriku Microearthquake Observatory, J. Seismol. Soc. Jpn., 31, 265 Lynnes, 1989, Inversion of P-coda for isotropic scaterers at the Yucca Flat Test Site, Bull. Seismol. Soc. Am., 79, 790 Matsumoto, 1989, Two-dimensional coda Q structure beneath Tohoku NE Japan, Geophys. J. Int., 99, 101, 10.1111/j.1365-246X.1989.tb02018.x Matsumoto, 1995, Distribution of midcrustal S-wave reflectors beneath Nikko-Shirane volcano in the northeastern Japan arc, The Earth Monthly, 2, 85 Matsumoto, 1996, Distinct S-wave reflector in the midcrust beneath Nikko-Shirane volcano in the northeastern Japan arc, J. Geophys. Res., 101, 3067, 10.1029/95JB02883 Mizoue, 1982, Mapping of an unusual crustal discontinuity by microearthquake reflection in the earthquake swarm area near Ashio, northwestern part of Tochigi Prefecture, central Japan, Bull. Earthq. Res. Inst., Univ. Tokyo, 57, 653 Nikamura, 1993, Estimation of scatterer distribution in the earth's crust using three-component small-aperture array observations, Master Thesis of Kyoto University, 1 Neidell, 1971, Semblance and other coherency measures for multichannel data, Geophysics, 36, 482, 10.1190/1.1440186 Nikolaev, 1987, Lithospheric studies based on array analysis of P-coda and microseisms, Tectonophysics, 140, 103, 10.1016/0040-1951(87)90143-0 Nishigami, 1991, A new inversion method of coda waveforms to determine spatial distribution of coda scatterers in the crust and uppermost mantle, Geophys. Res. Lett., 18, 2225, 10.1029/91GL02823 Revenaugh, 1995, A scattered-wave image of subduction beneath the Transverse Ranges, Science, 268, 1888, 10.1126/science.268.5219.1888 Revenaugh, 1995, The contribution of topographic scattering to teleseismic coda in southern California, Geophys. Res. Lett., 22, 543, 10.1029/95GL00162 Sato, 1977, Energy propagation including scattering effects: Single isotropic scattering aproximation, J. Phys. Earth, 25, 27, 10.4294/jpe1952.25.27 Sato, 1978, Mean free path of S-waves under the Kanto district of Japan, J. Phys. Earth, 26, 185, 10.4294/jpe1952.26.185 Sato, 1988, Is the single scattering model invalid for the coda exitation at long lapse time?, Pure Appl. Geophys., 128, 43, 10.1007/BF01772589 Spudich, 1987, Studies of the seismic coda using an earthquake cluster as a deeply buried seismography array, J. Geophys. Res., 92, 10526, 10.1029/JB092iB10p10526 Spudich, 1993, The seismic coda, site effects, and scattering in alluvial basins studied using aftershocks of the 1986 North Palm Springs, California, earthquake as source arrays, Bull. Seismol. Soc. Am., 83, 1721 Tarantola, 1987, Inverse problem theory: Methods for data fitting and model parameter estimation, 294 Wu, 1988, Introduction: seismic wave scattering in three-dimensionally heterogeneous Earth, Pure Appl. Geophys., 128, 1, 10.1007/BF01772587 Zeng, 1990, A fast exact recursive stochastic inverse solution with various seismological applications, Bull. Seismol. Soc. Am., 80