A 2600-year-long paleoseismic record for the Himalayan Main Frontal Thrust (western Bhutan)

Le Roux-Mallouf, Romain; Ferry, Matthieu; Cattin, Rodolphe; Ritz, Jean-François; Drukpa, Dowchu; Pelgay, Phuntsho

doi:https://doi.org/10.5194/se-11-2359-2020

Articles | Volume 11, issue 6

https://doi.org/10.5194/se-11-2359-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/se-11-2359-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 11, issue 6

Research article

|

08 Dec 2020

Research article |

| 08 Dec 2020

A 2600-year-long paleoseismic record for the Himalayan Main Frontal Thrust (western Bhutan)

Romain Le Roux-Mallouf, Matthieu Ferry, Rodolphe Cattin, Jean-François Ritz, Dowchu Drukpa, and Phuntsho Pelgay

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Final revised paper (published on 08 Dec 2020)
Supplement to the final revised paper
Preprint (discussion started on 12 May 2020)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'SE-2020-59 A 2600-yr long paleoseismic record for Himalayan Main Frontal Thrust, Bhutan', Anonymous Referee #1, 02 Jun 2020
- AC1: 'Answer RC 1', Romain Le Roux-Mallouf, 05 Aug 2020
RC2: 'Review', Anonymous Referee #2, 23 Jun 2020
- AC2: 'Answer RC 2', Romain Le Roux-Mallouf, 05 Aug 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Romain Le Roux-Mallouf on behalf of the Authors (05 Aug 2020)

ED: Publish subject to minor revisions (review by editor) (15 Sep 2020) by Zoe Mildon

AR by Romain Le Roux-Mallouf on behalf of the Authors (21 Sep 2020) Author's response Manuscript

ED: Publish as is (20 Oct 2020) by Zoe Mildon

ED: Publish as is (21 Oct 2020) by Federico Rossetti (Executive editor)

AR by Romain Le Roux-Mallouf on behalf of the Authors (27 Oct 2020) Manuscript

Short summary

The chronology of historical earthquakes (from historical documents and geological evidence) is still poorly constrained in the western Himalaya. We carried out a field investigation in SW Bhutan along the India–Bhutan border. Our analysis reveals that Bhutan has experienced at least five great earthquakes during the last 2600 years. Coseismic slip values along the Main Himalayan Thrust for most events reach at least 13 m and suggest that associated magnitudes are in the range of M_w 8.5–9.