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Hazard maps are created and used in conjunction with several natural disasters. [1] Different hazard maps have different uses. For instance, the hazard map created by the Rizal Geological Survey is used by Rizalian insurance agencies in order to properly adjust insurance for people living in hazardous areas. [2]
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The International Consortium on Landslides is a non-governmental organization created in 2002 to promote landslide research, education, and risk evaluation and reduction. It is located in Kyoto, Japan. The organization has consultative status with UNESCO. [1] [2] The ICL's journal is Landslides. It holds regular symposiums, including the World ...
Landslides occur around the world and have helped shape the Earth as we know it. The landslide that destroyed a rural neighborhood and claimed 43 lives in Oso, northeast of Seattle, 10 years ago ...
A landslide, also called a landslip, [10] is a relatively rapid movement of a large mass of earth and rocks down a hill or a mountainside. Landslides can be further classified by the importance of water in the mass wasting process. In a narrow sense, landslides are rapid movement of large amounts of relatively dry debris down moderate to steep ...
In mid-2020, the landslide began moving at a rate of 1.6–2.7 in (41–69 mm) per day, twice as fast as in 2008. A possible failure of the entire slide could trigger megatsunami waves up to 300 m (980 ft) high. [259] [260] 1950-now Siguas Valley and Vitor valley, Peru: 12 landslides of 20-80 MCM
A landslide in which the sliding surface is located within the soil mantle or weathered bedrock (typically to a depth from few decimeters to some meters) is called a shallow landslide. Debris slides and debris flows are usually shallow. Shallow landslides can often happen in areas that have slopes with high permeable soils on top of low ...
In this case, several weeks and 200 mm of precipitation were needed to cause landslide reactivation. A similar approach is reported by Brand et al. (1988) for Hong Kong, who found that if the 24-hour antecedent rainfall exceeded 200 mm then the rainfall threshold for a large landslide event was 70 mm·h −1. Finally, Caine (1980) established a ...