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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Ambient noise tomography in the Naruko/Onikobe volcanic area, NE Japan: implications for geofluids and seismic activity

Fig. 3

Reference and measured phase velocity dispersion curves. a Variance reductions for the determination of the reference dispersion curve. The red line is the reference curve determined by grid search, and the white dashed line represents a dispersion curve produced from the JMA2001 model. b Dispersion curves from the ray paths shown in c. The red and black lines represent the reference dispersion curve and the dispersion curve produced from the JMA model, respectively. c Ray paths of station pairs MKM01-N.OGCH (blue) and IKS01-NRK07 (green). Red triangles are Quaternary volcanoes

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