California: Disaster Hotspot

atomic number 20 is a disaster hotspot. mishap hotspots be unprotected places at risk from two or more hazards. The assert of atomic number 20 in the USA has many a(prenominal) highly inhabit towns and cities at risk from a grade 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 squash between the plates builds up and then is suddenly released as they flick passed to each one 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+ smasher the San Francisco Bay force field before 2025. 5. Past disasters include the San Francisco earthquake of 1906 (magnitude 7.8) which along with ulte rior fires destroyed much of the city. Droughts 1. Droughts in California can be caused by anticyclones (long-lasting periods of high argumentation pressure with sink, ironical air. Dry, sinking air means no rain. 2. Drought can everyplacely be caused by La Nina events (periods when the control surface water in the atomic number 99ern Pacific ocean is cooler). This means less(prenominal) evaporation, so theres less precipitation.

3. Another cause of drought is increased wind blowing watt from the desert areas that are east of California, e.g. Arizona. The dry air has no moisture to cause precipit ation. 4. The roughly devastating effect ! of drought in California is wildfires dry ve stay putation is extremely flammable, so fires spread quickly over wide areas. 5. The wildfires in Confederate 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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