What is landslide hazard map?

What is landslide hazard map?

HomeArticles, FAQWhat is landslide hazard map?

Landslide hazard maps indicate the possibility of landslides occurring throughout a given area. An ideal landslide hazard map shows not only the chances that a landslide might form at a particular place, but also the chance that it might travel downslope a given distance.

Q. Where in California are landslides most likely to occur?

The USGS report that the Southwestern California is the area most susceptible to shallow landslides and the rainfall conditions required to trigger slope failures. Such landslides in this area are likely to occur during winter when the ground is nearly saturated.

Q. What are the natural factors that trigger a landslide?

Landslides can be initiated in slopes already on the verge of movement by rainfall, snowmelt, changes in water level, stream erosion, changes in ground water, earthquakes, volcanic activity, disturbance by human activities, or any combination of these factors.

Q. What is landslide susceptibility index?

The landslide susceptibility index (LSI) was computed and reclassified into five categories: very low, low, moderate, high, and very high. Approximately 9.9% of the whole area would be prone to landslide occurrence when the LSI value indicated at very high and high landslide susceptibility.

Q. Which is the most common trigger factor for Landslide in Indonesia?

Indonesia is frequently affected by landslides induced by both rainfall and earthquakes.

Q. What is susceptibility map?

A landslide susceptibility map identifies areas which are subject to landslides and is measured from low to high. The landslide susceptibility map takes into account where the landslides occur and what causes them (slope, soil type and the impact of the flow of water in an area).

Q. What is meant by susceptibility?

1 : the quality or state of being susceptible especially : lack of ability to resist some extraneous agent (such as a pathogen or drug) : sensitivity. 2a : a susceptible temperament or constitution. b susceptibilities plural : feelings, sensibilities.

Q. Where are the areas of high susceptibility to landslide?

High-elevation areas tend to be quite susceptible to landslides. As seen in the map at the top of the page, many of the areas with the highest potential for landslide activity are found in steep mountain ranges, including the Himalayas, Andes, and Alps.

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