The motion and active deformation of India


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Paul, J. and Bürgmann, R. and Gaur, V.K. and Bilham, R. and Larson, K.M. and Ananda, M.B. and Jade, S. and Mukal, M. and Anupama, T.S. and Satyal, G. and Kumar, D. (2001) The motion and active deformation of India. Geophysical Research Letters, 28 (4). pp. 647-650. ISSN 00948276

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Measurements of surface displacements using GPS constrain the motion and deformation of India and India-Eurasia plate boundary deformation along the Himalaya. The GPS velocities of plate-interior sites constrain the pole of the angular velocity vector of India with respect to Eurasia to lie at 25.6±1.0°N 11.1±9.0°E, approximately 6° west of the NUVEL-1A pole of <3 Ma plate motion. The angular rotation rate of 0.44 ±0.03°Myr−1 is 14% slower than the long-term rate of 0.51° Myr−1. Insignificant velocities between plate interior sites indicate that the exposed Indian plate is stable to within 7 · 10−9 yr−1. The observed contraction vector across the Himalaya (≤20 mm/yr) veers from ∼N20°E in the northwest Himalaya to ∼N25°W in east Nepal, consistent with east-west extension of southern Tibet.

Item Type: Article
Additional Information: cited By 186
Uncontrolled Keywords: Global positioning system; Surface topography, Surface displacements, Geophysics, crustal deformation; GPS; plate motion, India
Subjects: Faculty of Science > Earth Sciences > Geology
Divisions: Jnana Bharathi / Central College Campus > Department of Geology
Depositing User: Mr. Kirana Kumar D
Date Deposited: 25 Apr 2016 07:12
Last Modified: 25 Apr 2016 07:12

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