EOC radar analysis reveals large-scale ground displacement on the Himalayas, caused by the Nepal earthquake.
Image credit DLR German Aerospace Center
The above image generated using data acquired by Sentinel-1A, shows how and where the land uplifted and sank from the 7.8-magnitute earthquake that struck Nepal on 25 April 2015.
Near the boundary of the Indian and Eurasian tectonic plates, blue shows areas of uplift of up to 0.8 m towards the satellite (called ‘line of sight’) which could be caused by a vertical uplift of 1 m. The yellow area depicts areas of subsidence, a movement that often occurs as a counter movement to the uplift in subduction zones (where one plate dips below the other) during earthquakes. Additionally, a horizontal north–south shift of up to 2 m was detected.
The Himalayas (meaning “abode of snow”) from space. Credit NASA
via ESA
sources DLR German Aerospace Center, Earth Observation Center
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