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Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 3 | Geoscience Letters

Fig. 3

From: Upper crustal shear-wave velocity structure Beneath Western Java, Indonesia from seismic ambient noise tomography

Fig. 3

a The grid locations (red dots) where dispersion curves are extracted from group velocity maps and inverted for Vs depth profiles. There are 557 points in total, with a distance between points of 0.1°. The background map is the group velocity result for period 5.0 s from trans-dimensional tree inversion (Rosalia et al. 2020). b–d Examples of 1D depth profile inversions using the Dinver package of Geopsy at Points 1, 2, 3 shown in (a), respectively. The yellow line in the dispersion curve represents the observed data, and the red line in the dispersion curve represents the calculated model. The red line in the 1D velocity model shows the optimum velocity model. The black to gray lines in both the dispersion curves and 1D profiles represent the generated ensemble models with their corresponding misfit values. The green line shows the velocity from CRUST1.0 (Laske et al. 2013). The insert plot shows the standard deviation of shear-wave velocity at each frequency

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