Abstract
We have tried to make geologic division based on landslide inventory maps in which we have recognized 12, 843 landslides throughout Hokkaido by interpretation through aerophotographs of 1: 40, 000 in scale. As the results, we have recognized 19 geologic regions, and then summarized up the following four zones; 1) Volcanic Rock Zone, 2) “Green Tuff” Zone, 3) Mudstone Zone, 4) Serpentinite- “Green Rock” Zone.
