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Earth, Planets and Space
Fig. 6 | Earth, Planets and Space

Fig. 6

From: Three-dimensional topographic relief of the oceanic crust may control the occurrence of shallow very-low-frequency earthquakes in the Nankai Trough off Kumano

Fig. 6

a Distribution of VLFE sources (Nakano et al. 2018). b Standard errors of the VLFE source locations in the longitude, latitude, and depth directions (black crosses). The red circles indicate VLFE sources whose errors are lower than the mean value of the standard deviation (STD) for each direction. c The distribution of VLFEs with location errors smaller than the mean value of the STD; the red dashed circles indicate VLFE clusters. d Histograms of the depth distribution of the original (gray) and selected (red) VLFEs

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