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In 2016 the United Nations Office for Disaster Risk Reduction (UNISDR) commissioned the development of guidelines on national disaster risk assessment (NDRA) as part of a series of thematic guidelines under its “Words into Action” initiative to support national implementation of the Sendai Framework for Disaster Risk Reduction 2015-2030.  The present G…
The GAR Atlas presents the output of a Global Risk Model (GRM) that can estimate the disaster risk associated with different kinds of hazard faced by national economies throughout the world. The model uses a state-of-the-art probabilistic approach analogous to that applied by the catastrophe modelling and insurance industry over recent decades. This mod…
This document is the seventh in a series of special topics for consideration, as part of the Words into Action Guidelines on National Disaster Risk Assessment published by UNISDR. This section focuses on the use of geospatial information, also known as spatial or location information, for a national disaster risk assessment. Geospatial information is c…
The constant growth of world population has led to growth in conurbations prone to disasters associated with natural hazards and - as a consequence - to an increase in the overall level of societal risk. Amongst natural catastrophes, earthquakes represent about one fifth of the economic losses, and are responsible for an average of 20 thousand fatalitie…
Landslides can assume catastrophic and disastrous proportions causing immeasurable damage to life and property, and are one of the costliest natural hazards. In South Africa, despite significant strides made towards consolidating data on geohazards in the country, very few studies on mass movement have been documented. Focusing on Khalavha Village, thi…
Sentinel Asia (SA) was conceptualized in 2005 and first began operation in 2007. SA is engaged in activities to share and provide disaster-related information including earth observation satellite images via the internet to contribute to disaster management in the Asia-Pacific region. Between 2006 and 2016, 270 emergency observation requests were made o…
Risk is widely conceptualized as a factor of hazards, exposure and vulnerability. One critical component of the risk equation is geography. The physical location of people and assets very much defines the likelihood and impact of a specific hazard which make geographic information systems (GIS) a critical tool of any risk assessment strategy.  However,…
The demonstrated early warning capability of Global Navigation Satellite Systems (GNSS) to accurately, rapidly, and cost effectively measure deformation of the Earth’s surface and the response of the ionosphere to this deformation was the factual basis for the GNSS Tsunami Early Warning Systems Workshop (GTEWS) and this report. GTEWS 2017 was held in Se…
This Guide has been created to provide advice on useful strategies for implementing the Hyogo Framework for Action 2005-2015: Building the Resilience of Nations and Communities to Disasters (HFA). It represents a distillation of the wealth of experience that exists throughout the world on how to manage and reduce disaster risks. The Guide can help state…
This book provides guidance, policy orientation and inspiration, as well as serving as a reference for lessons on how to reduce risk and vulnerability to hazards and to meet the challenges of tomorrow. It is intended for people who have an interest in and practice disaster risk management and sustainable development. Natural hazards can affect anyone,…