A method for analyzing subsurface representations, the method comprising: obtaining subsurface representation information defining a three-dimensional subsurface representation, the three-dimensional subsurface representation defining a subsurface configuration of a three-dimensional subsurface region of earth located underground, the subsurface configuration including layers that form subsurface structures; segmenting the three-dimensional subsurface representation into layer slices (412, 414, 416, 418), an individual layer slice (412; 414; 416; 418) corresponding to a respective layer (402; 404; 406; 408) of the three-dimensional subsurface representation; generating two-dimensional map images of the layer slices based on the subsurface configuration of the layer slices; and characterized by: identifying one or more boundaries within the three-dimensional subsurface representation based on comparison of adjacent ones (602, 604) of the two-dimensional map images, wherein identifying the one or more boundaries within the three-dimensional subsurface representation based on the comparison of the adjacent ones of the two-dimensional map images includes: determining similarity scores between adjacent layer slices based on the comparison of the adjacent ones of the two-dimensional map images; generating a similarity plot based on the similarity scores; and identifying the one or more boundaries within the three-dimensional subsurface representation based on the similarity plot, wherein the subsurface configuration is defined by values of multiple subsurface properties as a function of position within the three-dimensional subsurface region, separate sets of two-dimensional map images are generated for separate subsurface properties, separate sets of similarity scores are determined for separate subsurface properties, and separate similarity plots are generated for separate subsurface properties. obtaining subsurface representation information defining a three-dimensional subsurface representation, the three-dimensional subsurface representation defining a subsurface configuration of a three-dimensional subsurface region of earth located underground, the subsurface configuration including layers that form subsurface structures; segmenting the three-dimensional subsurface representation into layer slices (412, 414, 416, 418), an individual layer slice (412; 414; 416; 418) corresponding to a respective layer (402; 404; 406; 408) of the three-dimensional subsurface representation; generating two-dimensional map images of the layer slices based on the subsurface configuration of the layer slices; and characterized by: identifying one or more boundaries within the three-dimensional subsurface representation based on comparison of adjacent ones (602, 604) of the two-dimensional map images, wherein identifying the one or more boundaries within the three-dimensional subsurface representation based on the comparison of the adjacent ones of the two-dimensional map images includes: determining similarity scores between adjacent layer slices based on the comparison of the adjacent ones of the two-dimensional map images; generating a similarity plot based on the similarity scores; and identifying the one or more boundaries within the three-dimensional subsurface representation based on the similarity plot, wherein the subsurface configuration is defined by values of multiple subsurface properties as a function of position within the three-dimensional subsurface region, separate sets of two-dimensional map images are generated for separate subsurface properties, separate sets of similarity scores are determined for separate subsurface properties, and separate similarity plots are generated for separate subsurface properties. identifying one or more boundaries within the three-dimensional subsurface representation based on comparison of adjacent ones (602, 604) of the two-dimensional map images, wherein identifying the one or more boundaries within the three-dimensional subsurface representation based on the comparison of the adjacent ones of the two-dimensional map images includes: determining similarity scores between adjacent layer slices based on the comparison of the adjacent ones of the two-dimensional map images; generating a similarity plot based on the similarity scores; and identifying the one or more boundaries within the three-dimensional subsurface representation based on the similarity plot, determining similarity scores between adjacent layer slices based on the comparison of the adjacent ones of the two-dimensional map images; generating a similarity plot based on the similarity scores; and identifying the one or more boundaries within the three-dimensional subsurface representation based on the similarity plot, wherein the subsurface configuration is defined by values of multiple subsurface properties as a function of position within the three-dimensional subsurface region, separate sets of two-dimensional map images are generated for separate subsurface properties, separate sets of similarity scores are determined for separate subsurface properties, and separate similarity plots are generated for separate subsurface properties.