S-wave attenuation structure beneath the northern Izu – Bonin arc

  title={S-wave attenuation structure beneath the northern Izu – Bonin arc},
  author={Tsutomu Takahashi and Koichiro Obana and Shuichi Kodaira},
To understand temperature structure or magma distribution in the crust and uppermost mantle, it is essential to know their attenuation structure. This study estimated the 3-D S-wave attenuation structure in the crust and uppermost mantle at the northern Izu–Bonin arc, taking into account the apparent attenuation due to multiple forward scattering. In the uppermost mantle, two areas of high seismic attenuation (high Q−1) imaged beneath the volcanic front were mostly colocated with low-velocity… CONTINUE READING
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