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Earthquake-induced landscape dynamics (EILD) is an MBIE Endeavour programme led by GNS Science in association with experts from leading landslide research institutions in New Zealand and a suite of international experts. One of the programme aims is to quantify landslide activation thresholds and forecast landslide severity at different magnitudes of ground shaking, by studying landslides caused by the 2016 Kaikōura earthquake. It also seeks to develop a framework and tools to allow people to manage the risk to life, property and infrastructure from future earthquake-induced landslides, both in Aotearoa New Zealand and internationally. |
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Earthquake-induced landscape dynamics (EILD) is an MBIE Endeavour programme led by GNS Science in association with experts from leading landslide research institutions in New Zealand and a suite of international experts. One of the programme aims is to quantify landslide activation thresholds and forecast landslide severity at different magnitudes of ground shaking, by studying landslides caused by the 2016 Kaikōura earthquake. It also seeks to develop a framework and tools to allow people to manage the risk to life, property and infrastructure from future earthquake-induced landslides, both in Aotearoa New Zealand and internationally. |
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GNS Science |
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The earthquake-induced landslide (EIL) probability calculated with the EIL Forecast Tool V2.1 (version 2.1), using Peak Ground Acceleration (PGA) on Soil Class B for the 100 year mean return period. The EIL probability has been calculated at 32 m resolution and aggregated to 512 m resolution using the maximum option, for better display at smaller scales. The grid covers the areas with probabilities in the upper quartile. The quartiles were derived using an EIL probability grid developed without the earthquake PGA variable included in the model. The upper quartile is defined by probabilities greater than 0.000926. The PGA input (earthquake shaking data) used in the EIL Forecast Tool V2.1 has been obtained from the GNS Science's National Seismic Hazard Model (NSHM, 2010). The common V2.1 tool inputs (static data) have been derived from the NZ 8m Digital Elevation Model (LINZ, 2012), and the 1:1 250 000 Geological Map of New Zealand (2nd edition, 2018). For more details about the EIL Forecast tool V2.1 see Massey, C.I.; Lukovic, B. 2023 Earthquake-induced landslide forecast tool for New Zealand: Version 2.1. Lower Hutt, N.Z.: GNS Science. GNS Science report 2023/04.; https://doi.org/10.21420/1ZXA-AB51 and Massey, C.I.; Lukovic, B.; Huso, R.; Buxton, R.; Potter, S.H. 2021 Earthquake-induced landslide forecast tool for New Zealand: version 2.0. Lower Hutt, N.Z.: GNS Science. GNS Science report 2018/08. 77 p.; https://doi.org/10.21420/G2TP9V. Metadata for the EIL Probability dataset is provided at: https://data.gns.cri.nz/metadata/srv/eng/catalog.search#/metadata/b15237a6-78ba-4d54-bf33-33e320a05e46. |
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Although GNS Science has made all reasonable endeavours to construct a robust Product, it is a model that uses a physically and mathematically based statistical approach to produce earthquake-induced landslide probabilities and furthermore there is always uncertainty inherent in natural events. Accordingly, the Product is licenced “AS IS” and “AS AVAILABLE”, no warranties (express or implied) are given, and its use is at your sole risk. All data obtained by using the Product and all interpretations, conclusions and recommendations based upon such data are your sole responsibility and liability and you will indemnify GNS Science against all loss damage and cost caused to third parties for whom you have provided earthquake-induced landslide hazard assessment through use of the Product. GNS Science excludes and shall have no liability for any loss, damage or expense, however caused, whether through its negligence or otherwise resulting from you or any third party using or relying on the Product, or any data obtained by using the Product. Any Product downloaded is done at your own risk and you are solely responsible for any loss or damage to your computer system or loss of data that results from the download. The term of this licence is indefinite, but it may be terminated by GNS Science for breach. This licence agreement is governed by New Zealand law. References to “you” in these terms of use include the organisation for whom you are accessing and using the Product. |
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EILD_V2_EILProb512_PGA100 |
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["geoscientificInformation","Landslide probability","Earthquake-induced landslides","Hazard"] |
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en-US |
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