SAKAE TOWN Livelihood Support Guide

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  5. 2. In the Case of Natural Disaster　(3) Landslide disasters

2. In the Case of Natural Disaster　(3) Landslide disasters

General Affairs Division (0476-95-1111)

(3) Landslide disasters

A landslide is a rapid mass movement of soil. It is caused by a slope that has been weakened by a typhoon, torrential rain, an earthquake(s), or melting snow. A landslide is more likely to occur when it rains heavily during the rainy season and when a typhoon hits. Rainfall of 20mm or more per hour, or 100mm or more since it started to rain increases the danger of a landslide disaster. Those who live on sloping ground or along mountains or valleys need to exercise caution.

総務課（0476-95-1111）

（3）土砂災害

土砂災害とは、台風、集中豪雨、地震、雪解けなどにより、弱くなった斜面が崖崩れを起こし、大量の土砂が一瞬にして崩れ落ちることをいいます。特に梅雨や台風で大雨になったときは注意が必要です。1時間に20ミリ以上、降り始めから100ミリ以上の雨が降り続いたら、土砂災害の危険が高くなりますので、傾斜地や山沿い、谷沿いに住んでいる人は、警戒が必要です。