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Geoenvironmental Disasters
Fig. 2 | Geoenvironmental Disasters

Fig. 2

From: Regional zonation based on seismic vulnerability using local site effect analysis and potential damage to the city of Medan (North Sumatra, Indonesia) due to earthquake

Fig. 2

Result of some parameters describing microzonation of Medan City, North Sumatra. a Top left: soil classification based on Vs30. Color Vs30 value in m/s. b Bottom left: bedrock depth based on the SPAC (spatial autocorrelation) analysis at 8 measurement sites. Color represents bedrock depth in meters. c Top right: soil classification based on microtremor dominant period (T-dom). Color represents the microtremor dominant period in seconds. d Bottom right: seismic vulnerability (KG) map. Color represents the seismic vulnerability index. Inset depicts the Northern Sumatra and the active tectonic structures

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