Lake Sarez was born nearly a century ago, when a mountainside in Tajikistan crumbled during a magnitude-7.4 earthquake. The 567-meter-high landslide blocked an alpine river, forming the world's tallest dam. Since then, the valley behind it has filled with 17 billion cubic meters of snow and glacier melt.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/peril-pamirs
[2] http://admin.indiaenvironmentportal.org.in/category/author/richard-stone
[3] http://admin.indiaenvironmentportal.org.in/category/journal/science
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/lakes
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dams
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/glacial-melt
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/floods
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/earthquakes
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/landslides
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/disaster-preparedness
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tajikistan