Natural causes (Natural causes)
- the strength of the soil. Depending on the composition of soil (Soil composition) is a rock and soil types have any structure or a damp wood composite hold together a strong? A layer of Dan superficial or deep in any manner
.- with the tilt (Steep slope)
- rain fall in other fields (Prolong heavy rain)
- snow (Heavy snowfall)
.- the structure of Earth (Structure of soil) difference of soil that น้ำซื team through. With the water through. To make the water lock underground until liquid on soil slope, causing the flow
- season (Glacial erosion rain drought)
,,,The tree was destroyed by fire or - dry (Vegetation removal by fire or drought)
- earthquake (Earthquake)
- wave "tsunami". (Tsunami)
- volcanic eruption (Volcanic eruption)
- the change of groundwater (Change in underground water)
.- wear of Bedrock (Change in underground structure)
- erosion of the river shore and shoulder (Coastal continent. Erosion and change in continental slope)
1. Caused by humans (Human causes)
.- digging soil slopes of hillside or hill (Excavation of slpoe or its toe) to agriculture or street, or extend a plain in the land development. Or mining (Mining), whether on the mountain or plain
- sand from the river or on the earth
.- digging deep in the basement of the building construction
- compaction of land for construction. The moving of soil nearby
- pumping groundwater groundwater excessive or compressed water underground in some areas
.Soil - pile construction, increase the weight on the mountain or ridge (Loading or building on crest or slope)
- deforestation (Deforestation. ) to farming or agriculture
.- the reservoir (Reservoir) also increase the weight on the mountain. Make water into underground much balance
- changes in natural water (Change the natural stream) make ระบบน้ำใต้ดิน balance
.- waste water from building houses and Amusement Park Road on the mountain (Water from utilities leakages or or drainages)
- deeply. Any such explosion rocks (Artificial vibration)
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