The cause or the various areas are sensitive. Or there is a risk of the landslide is divided into 2 main categories. 1. Natural causes include
2. Caused by human activities, natural causes ◾
, the strength of soil◾ structure of the earth. Difference of soil that น้ำซื team through. With the water through. To make the water lock underground until liquid soil on the slope. Cause the flow in the slope of the area ◾
.◾ rainfall rainy for a long time (more than 100 mm per day)
◾ ◾ season tree was destroyed โดยไฟป่า or dry
◾ ◾ ◾ earthquake tsunami volcano
◾ changes of groundwater
◾ wear and tear of bedrock
.◾ erosion of the river, sea and continental shelf
caused by human action
◾ digging dirt on the slopes of the hillside or RI at Hillside for agriculture. The road to expand a plain in the land development, mining, etc.!◾ sand from the river or on the earth
◾ digging deep. To the construction of basement of buildings
◾ compaction of land for construction. The moving of soil nearby
.◾ pumping groundwater groundwater excessive or compressed water underground
◾ filling soil to construction, increasing the weight on the mountain. Or ridge
◾ deforestation. To expand the plantation area
.◾ doing reservoir which would increase the weight on the mountain. Make water into underground much balance
◾ changes in natural water The system of groundwater balance
◾ waste water from building houses and amusement park!◾ to deeply, such as rock blasting
preparation and defense before the murder. Before the incident to note that
◾ rain (more than 100 mm per day)
◾ water in the creek rise quickly
.The water in the creek ◾ very turbid or murky, red Forebode the debris flow along the hillside
◾ rain for a long time, loud, loud, abnormal sound from a mountain creek during the incident and
.◾ if heavy rain non-stop for several consecutive days. The clay on the mountain may collapse should evacuate or to run in high and let us to know all the
.◾ if fall in current no swimming running away, because be dead trees. Stones with mud flow or impact to death. And find a big tree near the island and climbed to
. In water◾ don't build houses. In the way of water or near the stream too
◾ don defore? And the planting trees to help absorb water
.◾ organizing guards to patrol the eyes look at the situation around the village. To observe the wrong night
.◾ monitoring and News Weather Forecast on local radio voice. Audio tower village closely
◾ reserve food. Drinking water, medicine and emergency equipment
.
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