Geomorphic and geologic controls of geohazards induced by Nepals 2015 Gorkha earthquake
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Date
2016-01-08Type
- Journal Article
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Cited 251 times in
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Cited 268 times in
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Abstract
The Gorkha earthquake (magnitude 7.8) on 25 April 2015 and later aftershocks struck South Asia, killing ~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. Show more
Publication status
publishedExternal links
Journal / series
ScienceVolume
Pages / Article No.
Publisher
American Association for the Advancement of ScienceOrganisational unit
03473 - Burlando, Paolo / Burlando, Paolo
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Citations
Cited 251 times in
Web of Science
Cited 268 times in
Scopus
ETH Bibliography
yes
Altmetrics