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Nori NAKATA

Country: Japan
Degree Program: PhD, Geophysics
E-mail: nnakata@mines.edu

Homepage: http://inside.mines.edu/~nnakata

CV

Curriculum Vitae

 

Nori received his Bachelor of Engineering (2008) and Master of Engineering (2010) degrees from Kyoto University. He interned aat JGI, Inc. in Japan for a total of six months during 2008 to 2010 for a carbon capture and storage (CCS) project. He was a research fellow of the Japan Society for the Promotion of Science (JSPS) in 2010-2011 and worked to develop the method to monitor the velocity structure throughout Japan by applying seismic interferometry to earthquake records. After twice visiting CWP (January - March 2009 and August 2010 - October 2011), he returned to CWP as a Ph.D. student in Spring 2012. His research topics are: exploration geophysics, crustal seismology, and civil engineering using seismic interferometry, and his advisor is Prof. Roel Snieder.

Nori's hobbies include skiing, basketball, and playing the violin.

 

Research

The main goal of Nori's research is to obtain information of subsurface and civil structures by using seismic interferometry, which is a signal-processing technique that analyzes patterns of interference of seismic waves. This technique can be applied to both active and passive seismic data, and he mostly uses the technique for passive seismic data such as ambient noise and earthquake data.

In one of his latest researches, he applies seismic interferometry to earthquake data for imaging subsurface shallower than 5-10 km depth. Although the data quality is poor, by using interferometry based on multi-dimensional deconvolution (MDD), he extracts clear reflected waves. If you are interested in his other research, please visit his homepage.

 

S-wave interferometry from earthquake records

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