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Understanding the Parkfield Earthquake: Causes, Predictions, and Recent Research

The Parkfield Project by Jeanine Mejares and Christina Washington explores the causes and implications of earthquakes, particularly focusing on the notable sequence of Parkfield earthquakes. By examining historical data from 1857 to 2004, the project highlights patterns of seismic activity and utilizes tools like the Richter and Mercalli scales for analysis. The research aims to contribute to earthquake prediction by visualizing past events with 3-D software and drawing conclusions on observed patterns. Insights into the 2004 Parkfield earthquake demonstrate the complexity and unpredictability of seismic events.

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Understanding the Parkfield Earthquake: Causes, Predictions, and Recent Research

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  1. The Parkfield Project By: Jeanine Mejares Christina Washington

  2. Basic Earthquake Info • What causes an earthquake? When plates move over, under or slide past each other • Transform • Convergent • Divergent • Where do earthquakes commonly occur? Anywhere in the world- commonly along fault lines • What tools are used to measure an earthquake? • Richter scale- Amplitude of the largest seismic wave recorded. • Mercalli scale- Observations of people

  3. Purpose of our Project • Identify the characteristics (dates, locations, depths, magnitudes) • Scientific reasoning • Inspect recent seismicity • Develop a 3-D visual demonstration organized according to time, location and depth • Draw conclusions: What happened during and after the 2004 Parkfield earthquake?

  4. What’s so Special about the Parkfield Earthquakes? • The sequence of Parkfield earthquakes: 1857, 1881, 1901, 1922, 1934, and 1966 • The 2004 Parkfield earthquake, took place almost a decade later than was predicted

  5. What is the Experiment? • A research project led by the United States Geological Survey (USGS) • Purpose: To discover a basis for earthquake prediction

  6. Procedure • We researched past Parkfield earthquakes • Then we made a prediction of the next giant quake • Next we graphed out earthquakes on a 3-D visualization software • Afterwards we uploaded pictures of Parkfield from before and after the earthquake hit • Finally, we drew conlusions to the main and minor problems of our project 3-D Colorwheel

  7. Along The Way 1990 Earthquake? NO How long? Approximately 14 years Why? No definitive answer Aftershocks? More than a week continuing

  8. Parkfield 3-D Data

  9. Look at that line!

  10. During and After

  11. Video Clip

  12. Conclusion • Pure logic and simple subtraction. With the continuing repetition of the Parkfield Earthquakes, it was evident that an earthquake would occur in Parkfield in approxamitely 1990 • Scientific reasoning, again is a matter of logic and continuing patterns, scientists noticed a rucurring pattern • During the 2004 Parkfield Earthquake, the San Andreas fault ruptured and created a 6.0 magnitude quake, leaving Parkfield with a month of aftershocks

  13. Acknowledgments Pictures: http://search.msn.com/images/details.aspx?q=scientists++parkfield&color=both&size=1p&ht=286&wd=394&tht=92&twd=128&su=http%3a%2f%2fwww.geotimes.org%2fsept02%2fWebExtra091802.html&iu=http%3a%2f%2fwww.geotimes.org%2fsept02%2fparkfield_people.jpg&tu=http%3a%2f%2fimages.picsearch.com%2fis%3fhVRnqjT8nuE4YbwM8GbN4NyW5SsrAubpx3-gTUQ5sgw&sz=104 The Video Clip: USGS Website History: http://quake.wr.usgs.gov/research/parkfield/index.html And a special thanks to our teacher fellows: Dr. Lederman P. Benson Shing Andreas Stavridis Bridget Smith Allison Jacobs Jon Deck THANK YOU!!!

  14. When will the next Parkfield quake occur?

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