The GelhaipucoLake burst abruptly due
to an ice avalanche, on September 21, 1964. There was large precipitation in
the NatangquRiver basin, caused large
masses of ice blocks from the hanging glaciers plunged into the lake resulting
in the generation of a shock wave and water level increase. Finally, the lake
water overflowed through the moraine dam. The lake outburst caused heavy
economic losses including enormous damage to the Chentang-Riwo
Highway, bridges, houses, 12 trucks transporting timber were washed away, as
well as casualties of human lives. About 23,36 Mio m3
of water was released.
Damage
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The lake outburst caused heavy economic losses
including enormous damage to the Chentang-Riwo
Highway, bridges, houses, 12 trucks transporting timber were washed away, as
well as casualties of human lives.
Data source
Lizong,
W., Tao, C., Rui, J., Xin,
L., Tongliang, G., Yuhong,
X., Mool, P. K., Bajracharya,
S. R. (2003): Pumqu
Basin, Tibet
Autonomous Region of PR China. Inventory of Glaciers and Glacial Lakes and the
Identification of Potential Glacial LakeOutburst Floods (GLOFs) Affected by Global Warming in the Mountains of
Himalayan Region.