Tsergo Ri landslide, Langtang valley, Rasuwa District, P3 Bagmati Pradesh, Nepali
| Regional Level Types | |
|---|---|
| Tsergo Ri landslide | Landslide |
| Langtang valley | Valley |
| Rasuwa District | District |
| P3 Bagmati Pradesh | Province |
| Nepal | Country |
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Latitude & Longitude (WGS84):
28° 12' 46'' North , 85° 35' 59'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
The Tsergo Ri landslide was a prehistoric landslide in the Nepalese Himalaya, which took place around 51,000±13,000 years ago, during the Last Glacial Period (Würm glaciation). During the collapse, a mass of rock of about 10–15 cubic kilometres (2.4–3.6 cubic miles) detached from a previous mountain or ridge and descended with a speed of about 450 kilometres per hour (120 m/s); later, glaciers eroded almost the entire landslide mass. Previously weakened rocks may have contributed to the collapse, which was probably started by an earthquake. (Adapted from Wikipedia)
"With a volume of 10–15 cubic kilometres (2.4–3.6 cubic miles), it is one of the largest known mass movements on Earth and perhaps the largest known landslide in crystalline bedrock." (Wikipedia)
"About 3 cubic kilometres (0.72 cu mi) of debris is still present; it is found around Tsergo Ri mountain, which is formed by landslide debris and its location is in the central sector of the former landslide." (Wikipedia)
The small settlement of Kyangjin Kharka lies at the foot of the landslide deposit.
Rock Types Recorded
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Other Databases
| Wikipedia: | https://en.wikipedia.org/wiki/Tsergo_Ri_landslide |
|---|---|
| Wikidata ID: | Q106556789 |
Other Regions, Features and Areas containing this locality
AsiaContinent
- HimalayasMountain Range
- Hindukush Himalayan RegionGroup of Mountain Ranges
China
- Himalayan Li Mineral BeltMineral Belt
Eurasian PlateTectonic Plate
- Himalayan Orogenic BeltOrogenic Belt
Nepal
- ⭔Bagmati ZoneZone
- Langtang National ParkNational Park
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References
Ibetsberger, Horst J. (1996) The Tsergo Ri landslide: an uncommon area of high morphological activity in the Langthang valley, Nepal. Tectonophysics, 260 (1) 85-93 doi:10.1016/0040-1951(96)00077-7
Weidinger, Johannes Thomas, Schramm, Josef-Michael, Surenian, Rouben (1996) On preparatory causal factors, initiating the prehistoric Tsergo Ri landslide (Langthang Himal, Nepal) Tectonophysics, 260 (1) 95-107 doi:10.1016/0040-1951(96)00078-9
Schramm, J.-M., Weidinger, J.T., Ibetsberger, H.J. (1998) Petrologic and structural controls on geomorphology of prehistoric Tsergo Ri slope failure, Langtang Himal, Nepal. Geomorphology, 26 (1) 107-121 doi:10.1016/s0169-555x(98)00053-1
