Abstract
From a geological and geomorphological point of view, the writer described some landslide areas in Hokuriku district, especialy the Hime Kawa River basin, and on the hilly districts in Boso Peninsula, and pointed out their characters.
The one is an active landslide of high velosity which has not typical landslide topography, and caused by a certain character of the geological structures which consist of the Mesozoic and the Palaeozoic rock formations. This kind of often causes a great deal of damage.
The other occurs at areas with the Tertialy pelitic rock formations and the Qurterary volcanic deposits, and exhibits a continuous landslide movements, which is not so violent as to cause damege to people and houses. However, a gigantic landslide occur at the Qurtanary volcanic deposits areas at times.
