Profiles and Activities | Graduate School of Symbiotic Systems Science and Technology

Yoshitaka Nagahashi(Professor)
Affiliated Specialty Division	Division of Environment System Management
Specialized Field of Study	Geology
Final Academic Background	Osaka City University
Academic Degree	PhD(Osaka City University)

Frequency and prediction of large-scale exprossive volcanic eruption based on tephra stratigraphy

Natural history during Quaternary, in and around inland basin, lake and river

1.	Kimura J. and Nagahashi Y. (2007) Origin of a voluminous iron-riched high-K rhyolite magma erupted in the North Japan Alps at 1.75 Ma: Evidence for upper crustal melting. Journal of Volcanology and Geothermal Research, 167, 81-99.
2.	Nagahashi, Y. and Satoguchi, Y. (2007.6) Stratigraphy of the Pliocene to Lower Pleistocene marine formations in Japan on the basis of tephra layer correlation. The Quaternary Research (Daiyonki-Kenkyu), 46，205-213．
3.	Kataoka,K.,Nagahashi,Y.and Yoshikawa,S.（2001.6）An extremely large scale magnitude eruption close to the Plio-Pleistocene boundary : reconstruction of eruptive style and history of the Ebisutoge-Fukuda tephra, central Japan. J.Volcanol.Geotherm.Res. 107, 47-69.