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Geography 2152F/G

MIDTERM QUESTIONS Matching Disaster A brief event causing damage Predict To give specific details Magnitude Amount of energy released Hazard It poses a potential threat Risk Probability multiplied by damage Natural service function A benefit from a hazard Tectonic cycle Involves creation and destruction of land Catastrophe An extremely destructive event Forecast Assessing a range of probability Residence time Time elapsed within a location Local Tsunami Affected area is up to 100 km from the source Secondary Tsunami Effect Fires from ruptured gas lines is an example Run-Up Distance that a tsunami surges inland Tsunami A series of giant waves Inundation Map Displays run-up of previous tsunami Indian Ocean Location of major 2004 tsunami Subduction Zone Area at high risk for producing a tsunami Tsunameter Detects a possible tsunami Tele-Tsunami Travels thousands of km across an ocean Amplitude Height of a wave Troposphere Layer of the atmosphere containing all weather Tropical Disturbance The first stage of a tropical cyclone Wind Chill How the weather feels on human skin Saffir-Simpson Scale Classifies hurricanes based on wind speed Stratocumulus A low, puffy cloud Typhoon A tropical storm over the Western Pacific Enhanced Fujita Scale Classifies tornadoes based on wind speed Sandstorm Also referred to as haboob Blizzard Requires a duration of at least 3 hours Eyewall Contains strongest wind in a hurricane Multiple Choice 1. Why are deaths and destruction from hazards increasing? Population growth, and communities are spreading into hazardous areas. 2. With respect to plate tectonic processes, describe the specific cause of the earthquake that caused the Japan tsunami. - Sizemic S-waves hit the town of Sendai  waves that make earthquakes damaging - Magnitude starting at 7, and increasing - Slow motion collision of tectonic plates - Japan  pacific plate rams into Eurasean plate - Japan is on Eurasean plate; pacific plate drives underneath it - Pressure of plates build until they snap which causes the earthquake - Upward motion of plates snapping back causes immense waves to race across ocean causing the tsunami 3. How did the geography of the land around Sendai enhance the destruction in that region? - Cliffs, bays, and inlets around the sea line affects how the tsunami behaves - Area around the city is mostly farmland, low lying and flat - Nothing to stop it from moving in land  can move 6 – 7 km without anything slowing it down 4. Why did the walls in Miyako fail to restrain the tsunami?
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