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- 1. Multiple Choice
Which of the following causes of landslide does weak or sensitive materials belong?
morphological causes
geological causes
human causes
technology causes
- 2. Multiple Choice
Which of the following causes of landslides does deforestation belong?
morphological causes
geological causes
human causes
technology causes
- 3. Multiple Choice
Which of the following causes does fluvial, wave, or glacial erosion of slope toe or lateral margins belong?
morphological causes
geological causes
human causes
technology causes
- 4. Multiple Choice
Which of the following is not considered a human cause of landslides?
loading of slope or its crest
thawing
artificial vibration
irrigation
- 5. Multiple Choice
Which of the followingis NOT a sign of an impending landslide according to USGS?
weathered materials
tilting or cracking of concrete floors and foundations
sunken or down-dropped road beds
soil moving away from foundations
- 6. Multiple Choice
Water (rain), seismic, and volcanic activity are three main categories of what type of landslide?
human causes
natural causes
geological causes
technological causes
- 7. Multiple Choice
Which agency outlined five (5) major types of movement or landslides in their The Landslide Handbook?
Department of Science and Technology or DOST
Philippine Atmospheric Geophysical and Astronomical Services Administration or PAGASA
Japan International Cooperation Agency or JICA
United States Geological Survey or USGS
- 8. Multiple Choice
What happens when a movement like fall occurs?
Driven by gravity exerted by the weight of material upslope from the displaced mass.
Movement does not initially occur simultaneously over the whole of what eventually becomes the surface of rupture.
Detachment of soil or rock, or both, from a steep slope along a surface on which little or no shear displacement has occurred.
The slide movement is more or less rotational about an axis that is parallel to the contour of the slope
- 9. Multiple Choice
What type of movement do lahar, debris avalanches, and earthflows belong?
flows
spread
slide
topple
- 10. Multiple Choice
When spread movement can happen?
It can result from liquefaction or flow (and extrusion) of the softer underlying material.
Downslope movement of a soil or rock mass occurring on surfaces of rupture or on relatively thin zones of intense shear strain.
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