Observation on Fukutoku−Oka−no−Ba submarine volcano eruption in 2005
Fukutoku−Oka−no−Ba had erupted on July 2, 2005, accompanying the discharge of colored waters from the crater. The pumices and pyroclastic materials blew up from the crater of the sea bottom by this eruption, they floated on the surface of the sea with rising the steam. We clarified topography change between the eruptions in 2005 and 1986 by echo sounding investigations of the sea bottom topography, in order to grasp the condition of the sedimentation of the pyroclastic materials around the crater. After the eruption in 2005, we investigated Fukutoku−Oka−no−Ba using the echo sounder installed on the unmanned ship “Manbo ”, and discolored seawater was also sampled. We found two new craters from the topographic change between this investigation and the one in 1999 (after the eruption in 1986), and observed the air bubbles spouted out from the crater.
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| Format: | Journal Contribution biblioteca |
| Language: | Japanese |
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2006
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| Online Access: | http://hdl.handle.net/1834/15716 |
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dig-aquadocs-1834-157162021-05-19T06:55:59Z Observation on Fukutoku−Oka−no−Ba submarine volcano eruption in 2005 Otani, Yasuo Sasahara, Noboru Yabuki, Tetsuichiro Hattori, Toshikazu Miyazaki, Susumu Oikawa, Mitsuhiro Nogami, Kenji Fukutoku−Oka−no−Ba had erupted on July 2, 2005, accompanying the discharge of colored waters from the crater. The pumices and pyroclastic materials blew up from the crater of the sea bottom by this eruption, they floated on the surface of the sea with rising the steam. We clarified topography change between the eruptions in 2005 and 1986 by echo sounding investigations of the sea bottom topography, in order to grasp the condition of the sedimentation of the pyroclastic materials around the crater. After the eruption in 2005, we investigated Fukutoku−Oka−no−Ba using the echo sounder installed on the unmanned ship “Manbo ”, and discolored seawater was also sampled. We found two new craters from the topographic change between this investigation and the one in 1999 (after the eruption in 1986), and observed the air bubbles spouted out from the crater. Published 2019-10-23T19:01:29Z 2019-10-23T19:01:29Z 2006 Journal Contribution Refereed http://hdl.handle.net/1834/15716 ja https://www1.kaiho.mlit.go.jp/GIJUTSUKOKUSAI/KENKYU/report/article.html#rhr42 pp. 31-38 |
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Fukutoku−Oka−no−Ba had erupted on July 2, 2005, accompanying the discharge of colored waters from the crater. The pumices and pyroclastic materials blew up from the crater of the sea bottom by this eruption, they floated on the surface of the sea with rising the steam. We clarified topography change between the eruptions in 2005 and 1986 by echo sounding investigations of the sea bottom topography, in order to grasp the condition of the sedimentation of the pyroclastic materials around the crater. After the eruption in 2005, we investigated Fukutoku−Oka−no−Ba using the echo sounder installed on the unmanned ship “Manbo ”, and discolored seawater was also sampled. We found two new craters from the topographic change between this investigation and the one in 1999 (after the eruption in 1986), and observed the air bubbles spouted out from the crater. |
| format |
Journal Contribution |
| author |
Otani, Yasuo Sasahara, Noboru Yabuki, Tetsuichiro Hattori, Toshikazu Miyazaki, Susumu Oikawa, Mitsuhiro Nogami, Kenji |
| spellingShingle |
Otani, Yasuo Sasahara, Noboru Yabuki, Tetsuichiro Hattori, Toshikazu Miyazaki, Susumu Oikawa, Mitsuhiro Nogami, Kenji Observation on Fukutoku−Oka−no−Ba submarine volcano eruption in 2005 |
| author_facet |
Otani, Yasuo Sasahara, Noboru Yabuki, Tetsuichiro Hattori, Toshikazu Miyazaki, Susumu Oikawa, Mitsuhiro Nogami, Kenji |
| author_sort |
Otani, Yasuo |
| title |
Observation on Fukutoku−Oka−no−Ba submarine volcano eruption in 2005 |
| title_short |
Observation on Fukutoku−Oka−no−Ba submarine volcano eruption in 2005 |
| title_full |
Observation on Fukutoku−Oka−no−Ba submarine volcano eruption in 2005 |
| title_fullStr |
Observation on Fukutoku−Oka−no−Ba submarine volcano eruption in 2005 |
| title_full_unstemmed |
Observation on Fukutoku−Oka−no−Ba submarine volcano eruption in 2005 |
| title_sort |
observation on fukutoku−oka−no−ba submarine volcano eruption in 2005 |
| publishDate |
2006 |
| url |
http://hdl.handle.net/1834/15716 |
| work_keys_str_mv |
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| _version_ |
1756076712601321472 |