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Sunday, January 19, 2014

California: Disaster Hotspot

atomic number 20 is a disaster hotspot. happening hotspots be unprotected places at risk from two or more hazards. The assert of atomic number 20 in the USA has many another(prenominal) highly inhabit towns and cities at risk from a shape of hazards. The map shows examples and locations of ago hazards that have caused disasters. Earthquakes 1. The San Andreas Fault runs the length of California its a conservative plate boundary. 2. Earthquakes occur when stuff between the plates builds up and then is suddenly released as they tugboat passed distributively other. 3. California has 2 or 3 earthquakes each year that are powerful enough to damage structures (5.5+ on the Richter scale) 4. Studies of their frequency and magnitude of past earthquakes show that theres a bully chance of an earthquake of magnitude 7.0+ hit the San Francisco Bay force field before 2025. 5. Past disasters let in the San Francisco earthquake of 1906 (magnitude 7.8) which along wit h ulterior fires destroyed much of the city. Droughts 1. Droughts in California can be caused by anticyclones (long-lasting periods of high way pressure with sink, ironical air. Dry, sinking air means no rain. 2. Drought can everyplacely be caused by La Nina events (periods when the egress water in the atomic number 99ern Pacific nautical is cooler). This means slight evaporation, so theres less precipitation.
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3. Another cause of drouth is increased wind blowing west from the desert areas that are east of California, e.g. Arizona. The dry air has no moisture to cause precipitation. 4. The roug hly devastating effect of drought in Califor! nia is wildfires dry ve setation is extremely flammable, so fires spread quickly over wide areas. 5. The wildfires in gray California in October 2007 killed 22 people and destroyed 1300 homes. Tsunamis 1. A tsunami is a series of self-aggrandizing waves that can flood coastal areas. 2. They can be caused by earthquakes on the sea bed, or landslides into the sea. 3. Earthquakes under the Pacific Ocean could cause a...If you want to get a full essay, high society it on our website: OrderCustomPaper.com

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