Theme 3

The New Zealand landslide dam database, v1.0

Morgenstern, R., Wolter, A., Cox, S.C. et al. The New Zealand landslide dam database, v1.0. Landslides (2023). https://doi.org/10.1007/s10346-023-02133-4 Version 1.0 of the New Zealand Landslide Dam Database (NZLDD) has been developed to investigate dam formation, longevity, and stability. The database includes mapping, and/or remapping of 1036 dams, including those generated by the 2016 Kaikōura Earthquake. The NZLDD represents a […]

Assessing landslide dam hazards in Aotearoa New Zealand: a data driven approach

Regine Morgenstern, Andrea Wolter, Chris Massey, Brenda Rosser, Simon C. Cox and Biljana Lukovic - GNS Science Presented at The XIV Congress of the International Association for Engineering Geology and the Environment: Engineering Geology for a Habitable Earth, Chengdu, China, September 2023 This abstract and presentation summarizes a method for assessing longevity, failure modes and […]

Landslide dam hazards: assessing their formation, failure modes, longevity and downstream impacts

Presented by Regine Morgenstern to the Fifth World Landslide Forum (WLF5) forum held in Kyoto, Japan 2-6 November 2021

Hapuku landslide dam changes, 2016 to 2019

Surface change models of the Hapuku landslide dam have been generated using Light Detection And Ranging (LiDAR) surveys between 2016-2017, 2017-2018 and 2018-2019. The colours in the two epoch pairs shown below depict areas of erosion (reds to yellows) and deposition (greens to blues). Changes between the surveys can be seen using the slider in […]

The Kaiwhata landslide dam

Not all landslide dams are formed by earthquakes, but any landslide dam can be used to find out more about how long they stay in the landscape and what hazards they may pose. The landslide itself can impact people and property, but when the debris blocks streams and rivers, the dam and impounded reservoir can […]

Tour of the Hopefields landslide and dam

Take a tour of the 3D model of the Hopefields landslide and dam

Hapuku landslide dam tour 2019

Take a tour of the 3D model of the Hapuku dam and downstream sedimentation

Landslide dam hazards: assessing their formation, failure modes, longevity and downstream impacts

Morgenstern, R.; Massey, C.I.; Rosser, B.J.; Archibald, G.C. 2021 Landslide dam hazards : assessing their formation, failure modes, longevity and downstream impacts. p. 117-123; doi: 10.1007/978-3-030-60319-9_12 IN: Vilímek, V.; Wang, F.; Strom, A.; Sassa, K.; Bobrowsky, P.T.; Takara, K. (eds) Understanding and reducing landslide disaster risk. [WLF 2020]. Volume 5, Catastrophic landslides and frontiers of […]

The Linton landslide dam

The Linton landslide dam formed as a result of earthquake shaking from the 2016 Kaikoura earthquake

What is a landslide dam?

Landslide dams include any blockage of a watercourse (stream, river, etc.) caused by the movement of material downslope. Often, but not always, the landslides are triggered by large earthquakes, such as occurred during the Kaikoura 2016 earthquake. Many dams are slowly eroded by seepage through the dam or cut down after overtopping by the lake […]

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