GPS-based monitoring of crustal deformation in Garhwal-Kumaun Himalaya

Y. Sharma, S. Pasari, O. Dikshit, K. E. Ching

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)

Abstract

The Himalayan region has experienced a number of large magnitude earthquakes in the past. Seismicity is mainly due to tectonic activity along the thrust faults that trend parallel to the Himalayan mountain belt. In order to study the ongoing tectonic process, we report Global Positioning System (GPS) measurements of crustal deformation in the Garhwal-Kumaun Himalaya through two continuous and 21 campaign stations. We collect GPS data since 2013 and analyze with the GAMIT/GLOBK suite of post-processing software. Our estimated surface velocities in ITRF2008, India-fixed, and Eurasia-fixed reference frame lie in the range of 42−52 mm/yr, 1−6 mm/yr, and 31−37 mm/yr, respectively. We observe insignificant slip rate (~1 mm/yr) of HFT that indicates its locking behavior. The slip rates of MBT and MCT, however, are consistent with the seismic activity of the study region.

Original languageEnglish
Pages (from-to)451-454
Number of pages4
JournalInternational Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives
Volume42
Issue number5
Publication statusPublished - 2018 Nov 19
Event2018 ISPRS TC V Mid-Term Symposium on Geospatial Technology - Pixel to People - Dehradun, India
Duration: 2018 Nov 202018 Nov 23

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Geography, Planning and Development

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