Articles | Volume 7, issue 3
Earth Surf. Dynam., 7, 707–722, 2019
https://doi.org/10.5194/esurf-7-707-2019
Earth Surf. Dynam., 7, 707–722, 2019
https://doi.org/10.5194/esurf-7-707-2019

Research article 06 Aug 2019

Research article | 06 Aug 2019

Displacement mechanisms of slow-moving landslides in response to changes in porewater pressure and dynamic stress

Jonathan M. Carey et al.

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AR by Jonathan Carey on behalf of the Authors (09 May 2019)  Author's response    Manuscript
ED: Publish as is (08 Jun 2019) by Xuanmei Fan
ED: Publish as is (14 Jun 2019) by Andreas Lang(Editor)
AR by Jonathan Carey on behalf of the Authors (23 Jun 2019)  Author's response    Manuscript
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Short summary
Slow-moving landslides are a major hazard but their movement mechanisms during earthquakes and rainstorms are not fully understood. We collected samples from a slow-moving landslide complex in New Zealand and subjected them to a range of porewater pressure and dynamic stress scenarios in a dynamic back-pressured shear box. Our results show how the complex movement patterns, observed in many large slow-moving landslides, may be mobilized by strong earthquakes and significant rain events.