Geomorphic and geologic controls of geohazards induced by Nepal's 2015 Gorkha earthquake

被引:355
作者
Kargel, J. S. [1 ]
Leonard, G. J. [1 ]
Shugar, D. H. [2 ]
Haritashya, U. K. [3 ]
Bevington, A. [4 ]
Fielding, E. J. [5 ]
Fujita, K. [6 ]
Geertsema, M. [4 ]
Miles, E. S. [7 ]
Steiner, J. [8 ]
Anderson, E. [9 ]
Bajracharya, S. [10 ]
Bawden, G. W. [11 ]
Breashears, D. F. [12 ]
Byers, A. [13 ]
Collins, B. [14 ]
Dhital, M. R. [15 ]
Donnellan, A. [5 ]
Evans, T. L. [16 ]
Geai, M. L. [17 ]
Glasscoe, M. T. [5 ]
Green, D. [11 ]
Gurung, D. R. [10 ]
Heijenk, R. [4 ]
Hilborn, A. [16 ]
Hudnut, K. [18 ]
Huyck, C. [19 ]
Immerzeel, W. W. [20 ]
Jiang Liming [21 ]
Jibson, R. [22 ]
Kaab, A. [23 ]
Khanal, N. R. [10 ]
Kirschbaum, D. [24 ]
Kraaijenbrink, P. D. A. [20 ]
Lamsal, D. [5 ]
Liu Shiyin [25 ]
Lv Mingyang [26 ]
McKinney, D. [27 ]
Nahirnick, N. K. [16 ]
Nan Zhuotong [28 ]
Ojha, S. [5 ]
Olsenholler, J. [29 ]
Painter, T. H. [5 ]
Pleasants, M. [3 ]
Pratima, K. C. [30 ]
Yuan, Q. I. [25 ]
Raup, B. H. [31 ]
Regmi, D. [32 ]
Rounce, D. R. [33 ]
Sakai, A. [6 ]
机构
[1] Univ Arizona, Dept Hydrol & Water Resources, Tucson, AZ 85721 USA
[2] Univ Washington, Sch Interdisciplinary Arts & Sci, Tacoma, WA USA
[3] Univ Dayton, Dept Geol, Dayton, OH 45469 USA
[4] Minist Forests Lands & Nat Resource Operat, Prince George, BC, Canada
[5] CALTECH, Jet Prop Lab, Pasadena, CA USA
[6] Nagoya Univ, Grad Sch Environm Studies, Nagoya, Aichi 4648601, Japan
[7] Univ Cambridge, Scott Polar Res Inst, Cambridge CB2 1ER, England
[8] Fed Inst Technol ETH, Inst Environm Engn, Zurich, Switzerland
[9] NASA, George C Marshall Space Flight Ctr, Huntsville, AL 35812 USA
[10] Int Ctr Integrated Mt Dev, Kathmandu, Nepal
[11] NASA Headquarters, Washington, DC USA
[12] GlacierWorks, Marblehead, MA USA
[13] Mt Inst, Elkins, WV USA
[14] US Geol Survey, Menlo Pk, CA 94025 USA
[15] Tribhuvan Univ, Cent Dept Geol, Kathmandu, Nepal
[16] Univ Victoria, Dept Geog, Victoria, BC, Canada
[17] CVA Engn, Suresnes, France
[18] US Geol Survey, Earthquake Sci Ctr, Pasadena, CA 91106 USA
[19] ImageCat, Long Beach, CA USA
[20] Univ Utrecht, Fac Geosci, Utrecht, Netherlands
[21] Chinese Acad Sci, Inst Geodesy & Geophys, State Key Lab Geodesy & Earths Dynam, Wuhan, Hubei Province, Peoples R China
[22] US Geol Survey, Golden, CO USA
[23] Univ Oslo, Dept Geosci, Oslo, Norway
[24] NASA, Goddard Space Flight Ctr, Hydrol Sci Lab, Greenbelt, MD 20771 USA
[25] Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou, Peoples R China
[26] Nanjing Univ, Sch Earth Sci & Engn, Nanjing 210008, Jiangsu, Peoples R China
[27] Univ Texas Austin, Dept Civil Architectural & Environm Engn, Austin, TX 78712 USA
[28] Nanjing Normal Univ, Sch Geog Sci, Nanjing, Jiangsu, Peoples R China
[29] Texas A&M Univ, Dept Geog, College Stn, TX USA
[30] Univ Arizona, Sch Nat Resources & Environm, Arizona Remote Sensing Ctr, Tucson, AZ USA
[31] Univ Colorado, Natl Snow & Ice Data Ctr, Boulder, CO 80309 USA
[32] Himalayan Res Ctr, Kathmandu, Nepal
[33] Univ Texas Austin, Environm & Water Resources Engn, Austin, TX 78712 USA
[34] Wadia Inst Himalayan Geol, Dehra Dun, India
[35] MacDonald Dettwiler & Associates GSI, Ottawa, ON, Canada
[36] Univ Calif Santa Barbara, Dept Geog, Santa Barbara, CA 93106 USA
[37] Hunan Univ Sci & Technol, Coll Architecture & Urban Planning, Xiangtan, Peoples R China
[38] Kansas State Univ, Dept Geog, Manhattan, KS 66506 USA
[39] Global Land Ice Measurements Space GLIMS Steward, Anchorage, AK USA
[40] Northwest Normal Univ, Coll Geog Sci & Environm, Beijing, Peoples R China
[41] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA
[42] Univ Tasmania, Antarctic Climate & Ecosyst Cooperat Res Ctr, Hobart, Tas, Australia
基金
美国国家科学基金会; 中国国家自然科学基金;
关键词
2008 WENCHUAN EARTHQUAKE; INDUCED LANDSLIDES; LARGE ROCKSLIDES; GLACIERS; DISPLACEMENT; TOPOGRAPHY; CALIFORNIA; AFTERSHOCK; MOUNTAINS; HIMALAYAS;
D O I
10.1126/science.aac8353
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The Gorkha earthquake (magnitude 7.8) on 25 April 2015 and later aftershocks struck South Asia, killing similar to 9000 people and damaging a large region. Supported by a large campaign of responsive satellite data acquisitions over the earthquake disaster zone, our team undertook a satellite image survey of the earthquakes' induced geohazards in Nepal and China and an assessment of the geomorphic, tectonic, and lithologic controls on quake-induced landslides. Timely analysis and communication aided response and recovery and informed decision-makers. We mapped 4312 coseismic and postseismic landslides. We also surveyed 491 glacier lakes for earthquake damage but found only nine landslide-impacted lakes and no visible satellite evidence of outbursts. Landslide densities correlate with slope, peak ground acceleration, surface downdrop, and specific metamorphic lithologies and large plutonic intrusions.
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页数:10
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