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More than 20 years after the 2000 Stože Landslide that devastated the village of Log pod Mangartom in NW Slovenia, this paper gives a review of the short-term response to and disaster relief provided for this catastrophic event, and further summarises this events effects on Slovenias efforts to improve its system of preventing natural disasters caused by various forms of landslides. Recent advances in reducing landslide disasters in Slovenia after 2000 are presented, including hazard and risk maps for landslides, rockfalls, and debris flows based on modern methodologies. Also, a short overview is given of Slovenian international cooperation on natural disasters. The developments in the landslide disaster risk reduction policy have unfortunately been less obvious in terms of the state taking preventive measures by adopting relevant legislation for adequate spatial planning.Po več kot 20 letih od plazu Stože leta 2000, ki je opustošil vas Log pod Mangartom v SZ Sloveniji, ta članek podaja pregled kratkoročnega odziva in pomoči ob nesreči ter nadalje povzema vpliv tega dogodka na prizadevanja v Republiki Sloveniji za izboljšanje sistema za preprečevanje naravnih nesreč, ki jih povzročajo različne oblike zemeljskih plazov. Predstavljen je nedavni napredek na področju zmanjševanja nevarnosti delovanja zemeljskih plazov v Sloveniji po letu 2000, vključno s kartami nevarnosti in ogroženosti za zemeljske plazove, skalne podore in drobirske tokove, ki so bile izdelane na podlagi sodobnih metodologij. Podan je tudi kratek pregled mednarodnega sodelovanja Slovenije na področju naravnih nesreč. Razvoj politike zmanjševanja naravnih in drugih nesreč zaradi delovanja zemeljskih plazov je bil žal manj očiten na področju preventivnih ukrepov države, ki bi s sprejetjem ustreznih zakonskih aktov okrepila preventivno delovanje z njihovo uporabo v ustreznih postopkih prostorskega načrtovanja.

Foreword By Irina Bokova -- Foreword By Robert Glasser -- Preface -- Co-organizers -- Organizing Committee -- Honorary Chairpersons -- Chairpersons -- International Scientific Committee -- Local Organizing Committee -- Contents -- 1 Remote Sensing Techniques in Landslide Mapping and Monitoring, Keynote Lecture -- Abstract -- Introduction -- Remote Sensing Techniques -- Optical VHR Data -- Satellite SAR Data -- Ground-Based Interferometric Synthetic Aperture Radar (GB-InSAR) -- Terrestrial Laser Scanner (TLS) -- InfraRed Thermography (IRT) -- Case Studies -- Messina Province-Satellite SAR -- San Leo Rock Cliff -- Discussion -- Conclusion -- References -- Landslide Monitoring and Warning -- 2 Introduction: Landslide Monitoring and Warning -- Abstract -- Introduction -- Landslide Monitoring and Early Warning Systems for Landslide Occurrence Prediction -- Landslide Monitoring and Early Warning Systems at Regional Level -- Remote Sensing and Landslide Monitoring -- Case Studies of Landslide Monitoring and Early Warning Systems -- Acknowledgements -- References -- 3 Multisensor Landslide Monitoring as a Challenge for Early Warning: From Process Based to Statistic Based Approaches -- Abstract -- Introduction -- Monitored Data Management -- Observation Based Approach (OBA) -- Semi-Empirical Approach (SEA) -- Statistical-Based Approach (SBA) -- Example of a Multi-parametric Monitoring System: Preliminary Results from Acuto (Italy) Test-Site -- Acknowledgements -- References -- 4 Wireless Sensor Networks for Early Warning of Landslides: Experiences from a Decade Long Deployment -- Abstract -- Introduction -- Design of Intelligent Wireless Probe (IWP) -- Spatial Distribution of IWPs and Real-Time Monitoring Network -- Field Deployment of Landslide System -- Site 1: The Anthoniar Colony, Munnar, Kerala -- Site 2: Chandmari, Sikkim, India

Foreword By Irina Bokova -- Foreword By Robert Glasser -- Preface -- Organizing -- Contents -- Landslide Interactions with the Built Environment -- 1 Session Introduction-Landslide Interaction with the Built Environment -- Abstract -- 2 Landslide Risk Assessment for the Built Environment in Sub-Saharan Africa -- Abstract -- Introduction -- Regional Landslide Risk Analysis -- Hazard Identification -- Hazard Assessment -- Exposure Identification -- Vulnerability Assessment -- Risk Estimation-Results Overview -- Discussion -- Conclusions -- Acknowledgements -- References -- 3 Rainfall-Induced Debris Flow Risk Reduction: A Strategic Approach -- Abstract -- Introduction and Background -- Management and Mitigation -- Exposure Reduction (Management) -- Hazard Reduction (Mitigation) -- Summary -- References -- 4 RUPOK: An Online Landslide Risk Tool for Road Networks -- Abstract -- Introduction -- Roads Affected by Landsliding in the Czech Republic -- Rupok.Cz -- Spatial Database on Landsliding -- Web Map Application -- Landslide Hazard -- Data Available -- Methods -- Vulnerability -- Risk -- Case Study: II/432 Road -- Direct Costs -- Indirect Costs -- II/432 Road Link Hazard, Vulnerability and Risk -- Conclusion -- Acknowledgements -- References -- 5 The Impact (Blight) on House Value Caused by Urban Landslides in England and Wales -- Abstract -- Background -- House Price as Indicators of Blight -- Methodology -- Temporal Impact from Landslide Events on House Value -- Spatial Impact of Blight on House Value -- Discussion and Conclusions -- References -- 6 Landslide Monitoring and Counteraction Technologies in Polish Lignite Opencast Mines -- Abstract -- Introduction -- Localization and General Mine Characterization -- Engineering Geology Conditions -- Examples of Reported Landslide Hazards -- Landslides at the Turow Mine

Foreword By Irina Bokova -- Foreword By Robert Glasser -- Preface -- Organizers -- Contents -- Earthquake-Induced Landslides -- 1 Session Introduction Earthquake-Induced Landslide -- Abstract -- Introduction -- Contributions to the Session -- References -- 2 The Role of Simultaneous Impact of Exogenous and Endogenous Forces in Landslide Process Activation -- Abstract -- Introduction -- Hindu Kush Earthquakes Triggered Landslides in the Spring of 2015 in 2016 -- Case Studies -- Strong Hindu Kush Earthquakes Which not Caused Landslides -- Comparison of the Predominant Oscillation Frequency -- Peculiarities of Landslides Occurrence -- Conclusion -- References -- 3 Local Terrain Relief: An Important Factor Influencing the Generation of Large Earthquake-Triggered Landslides -- Abstract -- Introduction -- Coseismic Landslides During the 2014 Ludian Earthquake -- Two-Dimensional Limit Equilibrium Simulation -- Conclusions -- Acknowledgements -- References -- 4 Evaluation of Ground Shaking Characteristics in Residential Land Based on T/R Frequency Ratio of Microtremor -- Abstract -- Introduction -- Review of the Temporary Array Earthquake Observation -- Theoretical Studies -- Ground Motion Simulation -- Approach on Microtremor Measurement with High Dense -- Microtremor Measurements -- Effective Indices -- Summary and Conclusions -- Acknowledgements -- References -- 5 Critical Displacement of Earthquake-Triggered Catastrophic Landslides -- Abstract -- Introduction -- Methods -- Data Collection and Processing -- Calculation of Sliding Block Motion with Velocity-Displacement (V-D) Dependent Friction Law -- Results of Parametric Study -- Stable Cases Without Initiation -- Catastrophic Landslides Influenced by Frictional Characteristics of Materials -- Catastrophic Landslides Influenced by Seismic Characteristics

The paper shows in detail the case of delineation of risk area in the village of Log pod Mangartom in the Koritnica River valley due to possible debris flows that might in future be triggered on the Stože slope above the Mangart Mountain pasture. On the basis of field and laboratory investigations of the debris flow of November 17, 2000, that devastated the Koritnica River valley, the possible scenarios of triggering new debris flows on the Stože slope were investigated. For the determination of debris flow hazard area in the Koritnica River valley, the results of one- and two-dimensional modelling of selected debris flows of known magnitudes and different viscosities were applied. For the determination of risk area, the existing and the possible new infrastructures were taken into account, and the risk area was divided into 3 zones. The paper presents the expert bases summarised by the legislator in the relevant decree issued by the Government of the Republic of Slovenia on the conditions and limitations governing the construction in the debris-flow risk area of Log pod Mangartom. This regulation is the first of its kind in Slovenia.

Abstract. Extreme floods occurred from 4 to 6 August 2023 in Slovenia causing three casualties and causing total direct and indirect damage, including post-disaster needs according to the Post-Disaster Needs Assessment (PDNA), close to EUR 10 billion. The atypical summer weather conditions combined with the high air and sea temperatures in the Mediterranean and the high soil moisture led to the most extreme flood event in Slovenia in recent decades. The return periods of both daily and sub-daily precipitation extremes and peak discharges reached 250–500 years, and the runoff coefficient of a typical torrential and mostly forested mesoscale catchment was around 0.5. In addition, flooding, soil erosion, mass movements and river sediment transport processes caused major damage to buildings (more than 12 000 houses) and diverse infrastructure.

Chapter 1. Editorial of the new open access book series "Progress in Landslide Research and Technology" (Kyoji Sassa) -- Part I. Original Articles -- Chapter 2. Key Techniques of Prevention and Control for Reservoir Landslide Based on Evolutionary Process (Huiming Tang) -- Chapter 3. Landslide research and technology in patent documents (Matjaž Mikoš) -- Chapter 4. Scalable Platform for UAV Flight Operations, Data Capture, Cloud Processing and Image Rendering of Landslide Hazards and Surface Change Detection for Disaster-Risk Reduction (David Huntley) -- Chapter 5. Ongoing persistent slope failures at the toe of a giant submarine slide in the Ryukyu Trench that generated the AD 1771 Meiwa tsunami (Kiichiro Kawamura) -- Chapter 6. Experimental simulation of landslide creep in ring shear machine (Netra Prakash Bhandary) -- Chapter 7. Assessment of the effects of rainfall frequency on landslide susceptibility mapping using AHP method: a case study for a mountainous region in central Vietnam (Chi Cong Nguyen) -- Chapter 8. Suffosion landslides as a specific type of slope deformations in the European part of Russia (Oleg V. Zerkal) -- Chapter 9. In situ triaxial creep test on gravelly slip zone soil of a giant landslide: innovative attempts and findings (Qinwen Tan) -- Chapter 10. Challenges and lessons learned from heavy rainfall induced geo-disasters over the last decade in Kyushu Island, Japan (Noriyuki Yasufuku).

Part I: ICL Landslide Lesson -- Sliding-surface liquefaction and undrained steady-state shear strength -- Identification and Mitigation of Reservoir Landslides Cases Studied in the Three Gorges Reservoir Area of China -- Part II: Original articles -- Impact of input data on the quality of the landslide susceptibility large-scale maps: A case study from NW Croatia -- Landslide warning systems in high-income countries: past accomplishments and expected endeavours -- Modelling of Landslide-Structure Interaction (LSI) through Material Point Method (MPM) -- Landslide Research and Technology in International Standards -- Mathematical and numerical modeling of slope stability for the Mong Sen landslide event in the Trung Chai commune, Sapa, Vietnam -- Landslide early warning system based on the empirical approach - Case study in Ha Long City (Vietnam) -- The modern activity of the Buzulgan landslide and its influence on the debris flow hazard for the Tyrnyauz town (Northern Caucasus, Russia) -- A risk evaluation method of unstable slopes using multipoint tilting sensors -- Part III: IPL/WCOE/KLC2020 -- Community Level Slope Disaster Risk Reduction Program through Multi-Scale Mapping by Mountain Ethnic Group in Northern Vietnam - Project Study by JICA / Lao Cai DARD / ITST -- Landslide Risk Assessment in the tropical zone of Vietnam as a contribution to the mitigation of natural disaster vulnerability -- Protection and conservation of Georgian rupestrian cultural heritage sites: a review -- Spatial and temporal characterization of landslide deformation pattern with Sentinel-1 -- Lessons from 2019-2020 landslide risk assessment in an urban area of volcanic soils in Pereira-Colombia -- Part IV: ICL Landslide Teaching Tools -- Zonation of landslide susceptibility in the Gipuzkoa province (Spain): an application of LAND-SUITE -- Landslide and soil erosion inventory mapping based on high-resolution remote sensing data: A case study from Istria (Croatia) -- Part V: Technical Notes and Case Studies -- Landslide monitoring with RADARSAT Constellation Mission InSAR, RPAS-derived point-clouds and RTK GNSS time-series in the Thompson River Valley, British Columbia, Canada -- Digital terrain models derived from unmanned aerial vehicles and landslide susceptibility -- Use of GIS to assess susceptibility per landform unit to gravitational processes and their volume.

Part I: ICL Landslide Lesson -- Advancements in shear strength interpretation, testing, and use for landslide analysis -- Rock Avalanches in the Tibet Plateau of China -- Part II: Original articles -- Landslide Susceptibility Zonation Using GIS-based Frequency Ratio Approach in the Kulon Progo Mountains Area, Indonesia -- Physically-based regional landslide forecasting modelling: model set-up and validation -- Consequence - frequency matrix as a tool to assess landslides risk -- Do not let your guard down: landslide exposure and local awareness in Mexico -- Landslides in Higher Education Curricula and Beyond -- Community Scale Landslide Resilience: A citizen-science approach -- Remedial Measures Impact on Slope Stability and Landslide Occurrence in Small-Scale Slope Physical Model in 1g Conditions -- Surficial geology and geomorphology of the North Slide, Thompson River valley, British Columbia: application of fundamental geoscience information to interpretations of geospatial monitoring results -- High Resolution Numerical Weather Simulation for Orographic Precipitation as an Accurate Early Warning Tool for Landslide Vulnerable Terrains -- Climate Change as Modifier of Landslide Susceptibility: Case Study in Davao Oriental, Philippines -- Fractal-based evaluation of the spatial relationship between conditioning factors and the distribution of landslides (A case study in Tinh Tuc, Cao Bang province, Vietnam) -- Procedure of Data Processing for the Improvement of Failure Time of a Landslide Based on the Velocity and Acceleration of the Displacement -- Numerical analysis of the effect of rainfall on the stability of sandstone-covered mudstone cutting slopes -- Part III: Review articles -- Post-formation behaviour of Hattian Landslide Dam and post-breaching situation -- Investigation of debris flow impact mechanisms and designs -- A review of the disaster risk assessment perspectives -- Part IV: IPL/WCOE/KLC2020 -- Application of LAND-SUITE for landslide susceptibility modelling using different mapping units. A case study in Croatia -- An Integrated approach to landslides risk management for local and national authorities -- Assessing landslide hazard in the High City of Antananarivo, Madagascar (UNESCO Tentative site) -- Part V: ICL Landslide Teaching Tools -- Teaching Tools for LS-Tsnnamis -- Part VI: Technical Notes and Case Studies -- CliRtheRoads – An integrated approach to landslide risk management on roads in Serbia -- Part VII: World Landslide Reports -- Rock slope instabilities affecting the AlUla archaeological sites (KSA) -- Refugees' perception of landslide disasters: Insights from the Rohingya camps in Cox's Bazar, Bangladesh.