Topographic change due to the 2013‒2015 eruption event at Nishinoshima volcano.
The growth of the island as well as a significant bathymetric change to the surrounding waters due to the 2013‒2015 eruption event were observed by hydrographic surveys. The Japan Coast Guard conducted a series of bathymetric surveys with multibeam echo sounders and an airborne LiDAR（Light Detection and Ranging) system over the period from June 2015 to January 2017. These surveys revealed detailed bathymetry from the shoreline to deeper water around the island. It is demonstrated the seafloor formed by the 2013‒2015 eruption event fringes the shoreline, as a narrow band that is 100‒250 m wide.
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| Main Authors: | , , , , , , , , , , |
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| Format: | Journal Contribution biblioteca |
| Language: | Japanese |
| Published: |
2018
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| Online Access: | http://hdl.handle.net/1834/15529 |
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