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SUMMARY:Monitoring sub-seafloor deformation in plate subduction zone
DTSTART:20210629T135000Z
DTEND:20210629T140500Z
DTSTAMP:20260424T210200Z
UID:indico-contribution-817@conferences.ctbto.org
DESCRIPTION:Speakers: Gou Fujie (Japan Agency for Marine-Earth Science and
  Technology\, Yokosuka\, Kanagawa\, Japan)\, Takane Hori (Japan Agency for
  Marine-Earth Science and Technology\, Yokosuka\, Kanagawa\, Japan)\, Shui
 chi Kodaira (Japan Agency for Marine-Earth Science and Technology\, Yokosu
 ka\, Kanagawa\, Japan)\, Ayako Nakanishi (Japan Agency for Marine-Earth Sc
 ience and Technology\, Yokosuka\, Kanagawa\, Japan)\, Eiichiro Araki (Japa
 n Agency for Marine-Earth Science and Technology\, Yokosuka\, Kanagawa\, J
 apan)\n\nFault rupture in a subduction zone often causes devastating earth
 quake and tsunami hazards. Therefore\, understanding a slip behavior along
  the fault is a crucial scientific topic and a deeply socially relevant pr
 oblem. To understand the slip behavior along the fault\, there are two kin
 ds of essential geophysical datasets. One is seafloor displacement as a su
 rface response of a fault slip\, and the other is the sub-seafloor structu
 re\, which is needed to transform a surface displacement to a fault displa
 cement. Recent studies reveal that surface displacements due to fault slip
 s show a wide-spectrum of their frequency\, from a regular earthquake (~10
  Hz) to a long-term slow slip (~months). To monitor the entire spectrum of
  the fault slip\, monitoring the displacement with a seismo-geodetic band 
 in real-time continuously is necessary. And also\, to transform the displa
 cement to the slip along the fault\, it is essential to know a realistic s
 tructure of a medium (lithospheric structure) in the subduction zone. JAMS
 TEC is conducting an integrated geophysical project to establish a real-ti
 me continuous seafloor geodetic network in the Nankai Trough\, Japan\, and
  construct a three-dimensional structural model using seismic data. We wil
 l present an outline and recent results of the project in this presentatio
 n.\n\nhttps://conferences.ctbto.org/event/7/contributions/817/
LOCATION:Location 2 (Online)
RELATED-TO:indico-event-7@conferences.ctbto.org
URL:https://conferences.ctbto.org/event/7/contributions/817/
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