Average shear-wave velocity structure of the Kamchatka peninsula from the dispersion of surface waves

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概要

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• An average shear-wave velocity structure has been estimated for the path between the Kamchatka Isthmus and Petropavlovsk-Kamchatski. It is obtained from the Monte Carlo inversion of the Rayleigh and Love wave group velocity dispersion curves measured using broad-band seismograms of events in Northern Kamchatka recorded by the IRIS station PET in Petropavlovsk-Kamchatski. The Moho interface was found at a depth of 35±5 km and the Konrad one at 18±4 km. An important feature of the found structure is a lowvelocity in the upper mantle. This result is coherent with the recent and present-day volcanic activity in Kamchatka. Synthetic long period seismograms computed for the obtained structure are in good agreement with observed ones.

• 公益社団法人 日本地震学会、地球電磁気・地球惑星圏学会 、特定非営利活動法人 日本火山学会、日本測地学会、日本惑星科学会の論文

著者

• Gordeev E.

  Geophysical Service Academy Of Science Of Russia

• Gorbatov A.

  Earthquake Research Institute University Of Tokyo

• Shapiro N.

  Instituto De Geofisica Unam Ciudad Universitaria

• Dominguez J.

  Instituto De Geofisica Unam Ciudad Universitaria

関連論文

• Average shear-wave velocity structure of the Kamchatka peninsula from the dispersion of surface waves
• Average shear-wave velocity structure of the Kamchatka peninsula from the dispersion of surface waves

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