GGR378H5 Lecture Notes - Lecture 5: Ethology, Management Information System, Paleoseismology
Document Summary
Focal depth = 30 km subduction zone. Earthquake tsunami coastal flooding nuclear explosion. Damage . 8 billion: probability of exposure to hazardous process tectonic plate boundary, extreme vulnerability due to a wide range of factors. Damage = replacement value of physical assets wholly or partly destroyed, built to the same standards as prevailed prior to the disaster. Losses = economic disruption resulting from the temporary absence of damaged assets. From the damage and losses, the disaster"s impact on economic performance, employment, and poverty can be assessed. Need takes into account the activities of recovery, reconstruction, and reestablishment of governance activities. Haiti: the perfect catastrophe risk = hazard vulnerability. Vulnerability factors: minimal perception of risk, recent exposure to disaster, very high population density, extreme poverty, poor infrastructure, weak governance, lack of preparation, lack of capacity to recover. Earthquakes occur as a result of the build-up and release of strain energy in blocks of rock subjected to tectonic forces.
