You will find basic definitions on disaster risk reduction to promote a common understanding on the subject for use by the public, authorities and practitioners.
The Open-ended intergovernmental expert working group on indicators and terminology relating to disaster risk reduction was established by the General Assembly in its resolution 69/284 for the development of a set of possible indicators to measure global progress in the implementation of the Sendai Framework for Disaster Risk Reduction 2015-2030, coherent with the work of the Inter-Agency and Expert Group on Sustainable Development Goal Indicators, and the update of the publication entitled “2009 UNISDR Terminology on Disaster Risk Reduction”. The report was adopted by the United Nations General Assembly on February 2nd, 2017. You can access it here.
The Hazard Information Profiles provide a common set of hazard definitions to Governments and stakeholders to inform their strategies and actions on risk reduction and management. Specifically, the reports could support the development and updating of national and local disaster risk reduction strategies and loss databases, as well as integrating disaster risk reduction into national statistics, legal, accounting and regulatory frameworks and public and private policy, financing and investment decisions.