Publication Date:
2022-05-25
Description:
Within the 2500 km stretch of the Himalayas, a narrow
window between longitudes 88.185 E and 88.936 E in the
frontal Himalayas in North Bengal, crisscrossed by several
active fault traces, presents an interesting region for crustal
deformation study. We have estimated velocities of 8 GPS
stations located in this area and the accumulating strain rate
by two different methods. A total shortening of 11.1 ±
1.5 mm yr)1 is occurring across a set of four E–W running
faults: Gorubathan, Matiali, Chalsa and Baradighi. The strain
rate becomes higher in the NE part of the network, reaching
)(0.25 ± 0.12) lstrain yr)1 with azimuth 21 . A statistically
significant extension of 10.9 ± 1.6 mm yr)1 is estimated
across the Gish transverse fault with a maximum strain rate
of 0.36 ± 0.08 lstrain yr)1 with azimuth 103 . The accumulating
strain will be probably released through future
earthquakes.
Description:
Published
Description:
410-415
Description:
3.2. Tettonica attiva
Description:
JCR Journal
Description:
reserved
Keywords:
GPS
;
Himalayas
;
North Bengal
;
Gish fault
;
strain rate
;
ITRF2005
;
04. Solid Earth::04.03. Geodesy::04.03.01. Crustal deformations
Repository Name:
Istituto Nazionale di Geofisica e Vulcanologia (INGV)
Type:
article
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