Variations of the crustal thickness in Nepal Himalayas based on tomographic inversion of regional earthquake data

Koulakov, I.; Maksotova, G.; Mukhopadhyay, S.; Raoof, J.; Kayal, J. R.; Jakovlev, A.; Vasilevsky, A.

doi:https://doi.org/10.5194/se-6-207-2015

Articles | Volume 6, issue 1

https://doi.org/10.5194/se-6-207-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/se-6-207-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 6, issue 1

Research article

|

16 Feb 2015

Research article |

| 16 Feb 2015

Variations of the crustal thickness in Nepal Himalayas based on tomographic inversion of regional earthquake data

I. Koulakov, G. Maksotova, S. Mukhopadhyay, J. Raoof, J. R. Kayal, A. Jakovlev, and A. Vasilevsky

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Final revised paper (published on 16 Feb 2015)
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Preprint (discussion started on 02 Oct 2014)
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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC C1280: 'Comments on a paper by Koulakov et al.', Anonymous Referee #1, 11 Nov 2014
RC C1389: 'REVIEW: “Variations of the crustal thickness in Nepal Himalayas based on tomographic inversion of regional earthquake data” by Koulakov et al. [ REF # sed-6-2867-2014]', Anonymous Referee #2, 08 Dec 2014
AC C1403: 'Author Comments', Ivan Koulakov, 15 Dec 2014

Short summary

We estimate variations of the crustal thickness beneath the Nepal Himalayas based on tomographic inversion of regional earthquake data. The obtained variations of crustal thickness match fairly well with the free-air gravity anomalies and correlate with magnetic field. We propose that elevated magnetic values can be associated with more rigid segments of the incoming Indian crust which cause more compression in the thrust zone and lead to stronger crustal thickening.