Fri Apr 10, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Rajewar, Shubham K., Gahalaut, Vineet K., Bürgmann, Roland, Puviarasan, N., Krishnan, K. C. Sai, Bhu, Harsh, Purohit, Ritesh, Roy, P. N. S., Dore, Bastein, Yadav, Rajeev K., Mondal, Saroj K., Catherine, Joshi K., Mohanty, Aditya, Ajeesha, A., Naidu, M. S., and Rao, V. Rajeshwara, 2026. Present–Day Tectonic and Non–Tectonic Crustal Deformation of and Around the Indian Plate From GNSS and GRACE Measurements. Journal of Geophysical Research (Solid Earth), 131(2):e2025JB032730, doi:10.1029/2025JB032730.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2026JGRB..13132730R,
author = {{Rajewar}, Shubham K. and {Gahalaut}, Vineet K. and {B{\"u}rgmann}, Roland and {Puviarasan}, N. and {Krishnan}, K.~C. Sai and {Bhu}, Harsh and {Purohit}, Ritesh and {Roy}, P.~N.~S. and {Dore}, Bastein and {Yadav}, Rajeev K. and {Mondal}, Saroj K. and {Catherine}, Joshi K. and {Mohanty}, Aditya and {Ajeesha}, A. and {Naidu}, M.~S. and {Rao}, V. Rajeshwara},
title = "{Present-Day Tectonic and Non-Tectonic Crustal Deformation of and Around the Indian Plate From GNSS and GRACE Measurements}",
journal = {Journal of Geophysical Research (Solid Earth)},
keywords = {Indian plate, GNSS measurements, strain rate, tectonic- Nontectonic deformation, groundwater depletion, GRACE},
year = 2026,
month = feb,
volume = {131},
number = {2},
eid = {e2025JB032730},
pages = {e2025JB032730},
abstract = "{We use continuous Global Navigation Satellite System (GNSS) measurements
from >1600 sites on and around the Indian subcontinent,
including 64 sites in the Indian plate interior, to estimate
site motions and their seasonal variations. Stations in the
Himalayan and Indo-Burmese plate boundary zones exhibit rapid
velocities (15─20 mm/year with respect to the Indian plate) and
correspondingly higher strain rates (70─100
{\ensuremath{\eta}}strain/year). We find that the southern part
of the plate interior is more stable, with residual motions <1
mm/year. Although the northern part of the plate interior
appears more deformable ({\ensuremath{\sim}}2 mm/year), there is
no clear fragmentation of the Indian plate. The southern part
exhibits a low shear strain of {\ensuremath{\sim}}1
{\ensuremath{\eta}}strain/year, while the northwestern India
region, referred to as the Rajputana block lying west of the
Aravalli Delhi Fold Belt (ADFB), consistently shows a higher
shear strain rate of >2 {\ensuremath{\eta}}strain/year and
higher southward motion with respect to the region to the east.
Such a motion is consistent with sinistral shear along the ADFB
and {\ensuremath{\sim}}north-south contraction across the
Kachchh failed rift in the south, explaining the higher
earthquake productivity in Gujarat. Long-term vertical rates on
the Indian plate are low except in the northwestern region where
Gravity Recovery and Climate Experiment (GRACE) measurements
show negative equivalent water height changes and GNSS
measurements record uplift, caused by the depletion of
groundwater storage. Seasonal variations in the GNSS and GRACE
data distinctly show the influence of hydrological loading on
land movement. After the monsoon, the entire hydrological load
seems to be centered in the Indo-Gangetic plains and the
central-east India region.}",
doi = {10.1029/2025JB032730},
adsurl = {https://ui.adsabs.harvard.edu/abs/2026JGRB..13132730R},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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