Preliminary result of the ocean bottom seismographic observation at Nishinoshima volcano.
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Author
Okada, ChiakiOno, Tomozo
Hamasaki, Shogo
Takahashi, Hitomi
Morishita, Taisei
Itoi, Hiroto
Tashiro, Toshiharu
Nishizawa, Azusa
Date
2016
Metadatos
Mostrar el registro completo del ítemAbstract
Ocean bottom seismographic observation is able to provide precious information beneath the active submarine volcano. We conducted a seismic experiment to detect seismic activity and structure of the continuously active Nishinoshima volcano since Nov. 2013. Tectonic earthquake activity was very low during the observation period of Jun. 26-Jul. 3, 2015. However, we observed characteristic seismic signals probably related to volcanic eruption activity. Fan shooting of an airgun array as a controlled seismic source suggested a high seismic attenuation area just below Nishinoshima volcano. N-type earthquake activity was detected at Nishinoshima-Minami Knoll, the small seamount to the south of Nishinoshima volcano.Journal
Report of Hydrographic and Oceanographic ResearchesIssue/Article Nr
53Page Range
pp.29-44Resource/Dataset Location
https://www1.kaiho.mlit.go.jp/GIJUTSUKOKUSAI/KENKYU/report/article.html#rhr53