GG231 Midterm: GG231 Exam
Document Summary
Risk: the product of the probability of a hazardous event and the expected damage if the event does occur. Hazard: the probability that a specific damaging event will happen within a particular period of time: processes that are considered as threats, viewed negatively by humans (context, natural: earthquakes, tsunamis, volcanoes, non-natural: pandemics, warfare, technological. Disasters: brief events that cause great damage or loss of life in a limited geographic area. Catastrophe: causes series injury, loss of life, property damage. Asia has suffered the greatest losses: about of total deaths, about of economic losses. Rupture and movement of rocks, often along a fault. Human causes: reservoirs, deep waste disposal, pumping oil and gas, hydraulic fracturing. Reverse fault: hanging wall moved up relative to the footwall along a plane inclines steeper than 45. Thrust fault: similar to reverse incline is 45 or less. Normal: dip-slip fault in which hanging wall has moved downward relative to the footwall.
