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ST. TERESA SCHOLAR 207 OJIBWAY AVENUE TITUSVILLE, FLORIDA 3 2780 (321)269-8434 Facsimile N/A May 13, 2009 Barack Obama President of the United States of America 1600 Pennsylvania Avenue District of Columbia Dear Mr. President, After completing and analyzing my data I have come to the conclusion for your four questions. These four questions were stated as followed: Where are the most recent earthquakes occurring and are they most likely to occur in certain locations? Is there a way to determine what parts of the world are most prone to earthquakes? Is there a correlation between earthquakes and volcanoes? What is causing the earthquakes? When I first started this project, I believed that earthquakes occurred at divergent and convergent plate boundaries. After reviewing the data, I was able to prove this hypothesis correct. I also learned that shallow earthquakes occur at transform boundaries and deep earthquakes occur at convergent and divergent plate boundaries. I also have an answer for your second question. My hypothesis was that it is possible to determine what locations on earth are most prone to earthquakes by measuring Primary waves and Surface waves to find an epicenter. However, my hypothesis was proven incorrect. I learned that by knowing where many earthquakes are occurring, you could determine that many more earthquakes would occur there. This is the case for Fiji, Japan, the Phillippines, and the West Coast of North and South America. For your third question, I hypothesized that there was a correlation between earthquakes and volcanoes because earthquakes form volcanoes. I was also able to prove this hypothesis incorrect as well. I learned that earthquakes do not form Page 1 volcanoes at all. However, it seems that almost all volcanoes form and erupt near many earthquake zones. Such as Redoubt, a volcano that erupted in the same area where most earthquakes have occurred. Lastly, for my final answer, I hypothesized that earthquakes occur when tectonic plates move. After reviewing all the data that I have been working on for the last few weeks, I was clearly able to prove my final hypothesis correct. Earth’s axis is constantly making the plates move. Therefore, an earthquake is occurring every minute of every day. Most earthquakes are so minute that humans are unable to feel them. However, when a large, sudden movement of Earth’s plates occur, strong, devastating earthquake’s would take place. I hope my information will help you and the USGS. Best Regards, PAGE 2 PAGE 3