Papers

Relationship between catastrophic landslide and geomorphological and geological features in Mt. Wanitsuka, Miyazaki Prefecture

Osamu YOKOYAMA, Taro UCHIDA, Keiji TAMURA, Ryuji SUZUKI and Takafumi INOUE　　3

Geomorphological features and prediction of potential sites for deep‐seated landslides on Wanitsuka Mountain,Miyazaki Prefecture, Japan

Hafeza AKTHER, Etsuro SHIMOKAWA, Yukiyoshi TERAMOTO and Takashi JITOUSONO　　14

Technical Report

Method for predicting sediment yield reflecting the effect of forests on reducing slope failure −Analyses of slope‐failure area ratio observed in the past disaster events caused by heavy storms−
　　　Nobutomo OSANAI, Shin'ya KATSURA, Yoko TOMITA, Kiichiro OGAWA and Makoto NAKATA　22

Research Notes

Traveling distance of pyroclastic surge as shown on a volcano hazard map
　　　Munehiro MATSUI, Takahisa MIZUYAMA, Nobuo ANYOJI and Jun MINAGAWA　33

Estimating landslide‐triggering rainfall thresholds using two conceptual models for soil water and potential landslide area indices with 30years of hourly rainfall data
　　　Yasuhiro SHUIN, Norifumi HOTTA, Keigo MATSUE, Kazuhiro ARUGA and Toshiaki TASAKA　37

Technicak Notes

Field survey on the capture of debris flow with steel open Sabo dams
　　　Kazuo YOSHIDA, Masakatsu YAMAGUCHI and Takahisa MIZUYAMA　43