Changes in ground deformation prior to and following a large urban landslide in La Paz, Bolivia, revealed by advanced InSAR

Roberts, Nicholas J.; Rabus, Bernhard T.; Clague, John J.; Hermanns, Reginald L.; Guzmán, Marco-Antonio; Minaya, Estela

doi:https://doi.org/10.5194/nhess-19-679-2019

Articles | Volume 19, issue 3

https://doi.org/10.5194/nhess-19-679-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/nhess-19-679-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 3

Research article

|

29 Mar 2019

Research article |

| 29 Mar 2019

Changes in ground deformation prior to and following a large urban landslide in La Paz, Bolivia, revealed by advanced InSAR

Nicholas J. Roberts, Bernhard T. Rabus, John J. Clague, Reginald L. Hermanns, Marco-Antonio Guzmán, and Estela Minaya

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Final revised paper (published on 29 Mar 2019)
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Preprint (discussion started on 13 Aug 2018)
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Interactive discussion

Status: closed

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

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RC1: 'revision comments', Anonymous Referee #1, 20 Aug 2018
- AC1: 'Responses to comments from referee #1', Nicholas Roberts, 17 Jan 2019
RC2: 'Reviewer comments', Anonymous Referee #2, 13 Sep 2018
- AC2: 'Responses to comments from referee #2', Nicholas Roberts, 17 Jan 2019

Peer-review completion

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

ED: Publish subject to minor revisions (review by editor) (04 Feb 2019) by Thomas Glade

AR by Anna Mirena Feist-Polner on behalf of the Authors (18 Feb 2019) Author's response Manuscript

ED: Publish as is (19 Feb 2019) by Thomas Glade

AR by Nicholas Roberts on behalf of the Authors (01 Mar 2019) Author's response Manuscript

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Short summary

La Paz, Bolivia, experiences frequent damaging landslides. We quantify creep before and after the city’s largest modern landslide using spaceborne InSAR. Creep of ancient landslide deposits increased in rate and extent following failure and extended into adjacent intact materials. Accelerated steady-state creep reflects complex post-failure stress redistribution. Landslide risk in La Paz, which is underlain by many large ancient landslides, may be even greater than previously thought.