Earthquake+project

__Hudson/Elayne__ (WORK ON ACCURACY AND VISUAL APPEAL OF YOUR PAGE; GOOD BACKGROUN ON EARTHQUAKE. 8/11--73%: C) __what causes a earthquake?__ The earth is made out of plates which are constantly moving. The plates move due to the convection current in the mantle of the earth. This movements move plates towards, away, or sometimes along side other plates. When two plates are moving moved part of the plate can get stuck or strained. When the strain on the rock increases the pressure also increases and when that pressure is released the seismic waves created by it is what makes the earth shake.

//__Types of Earthquakes__//
 * Divergent Boundaries-Two plates that are moving in the opposite directions. New crust is being created at the fault that is made from the plates splitting apart.
 * Convergent Boundaries-Two plates that are moving towards each other. One plate goes under the other and the crust is pushed into the the mantle were it melts and recycled.
 * Transform-Fault Boundaries-Two plates that are sliding horizontally past each other.

1. According to the table what magnitude earthquake releases a similar amount of energy to small nuclear weapon? 4.0 richter magnitude. YES

2. Approximately how many tons of energy was released during the August 23, 2011 earthquake off centered in Virginia? 1 million tons of energy was release during the August 23, 2011 in Virginia. NO

3. Approximately how many tons of energy was released during the March 11, 2010 earthquake off of Japan? (8.9 on the Richter scale) 32 billion tons of energy was release during the March 10th, 2010 in Japan. NO

4. According to the chart, how many times greater is a 5.0 magnitude quake than a 4.0 magnitude quake? 32 times earthquake greater is a 5.0 magnitude than a 4.0 magnitude quake. YES

5. According to the chart, how many times greater is an 8.0 magnitude quake than a 7.0 magnitude quake? How many times greater is a 9.0 magnitude quake than an 8.0 magnitude quake? See any patterns? Does this pattern hold roughly true in the table? YES 32 times earthquake greater is a 8.0 magnitude than a 7.0 magnitude quake; 32 times earthquake greater is a 9.0 magnitude than a 7.0 magnitude quake.

7. Approximately how many tons of energy was released during the 2010 earthquake in Haiti (7.1)? 32 million tons of energy was release during the 2010 earthquake in Haiti. NO

8. Approximately how many tons of energy was released during the 2010 earthquake in Chile (8.8)? 32 billion tons of energy was release during the 2010 earthquake in Chile. NO

9. Approximately how many tons of energy was released during the 1906 earthquake in San Francisco (7.9)? 1 billion tons of energy was release during the 1906 earthquake in San Francisco. NO

10. Using either your graph or the table write an exponential equation that gives the energy yield for any Richter magnitude. y=32^x (x>2) ALMOST 11. 9.5 Magnitude YES Video about EarthQuakes