This document discusses risk analysis of geological hazards and disaster management. It defines risk as the probability of hazard occurring multiplied by vulnerability and damage. Hazards are defined as the probability of a potentially damaging phenomenon occurring within an area and time period. The document outlines approaches to risk mapping including analytical and synthetic methods and the role of GIS systems. It also briefly mentions disaster management.

1. Risk Analysis of
Geological Hazards and
Disaster Management
Dr Claudio J Ferreira
The University of Sheffield

2. Contents
Risk definition
Hazard
Vulnerability
Damage
Risk Mapping
Analytical or Synthetic approaches
Examples
GIS role
Disaster Management
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3. Risk definition What is the difference
between risk and
hazard?
R = H x V x D, where
R=Risk
H=Hazard Process
V=Vulnerability
Element
D=Damage at risk
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