Studying Seismic Activity

The Free essays given on our site were donated by anonymous users and should not be viewed as samples of our custom writing service. You are welcome to use them to inspire yourself for writing your own term paper. If you need a custom term paper related to the subject of Geology or Studying Seismic Activity , you can hire a professional writer here in just a few clicks.
Studying Seismic Activity California has 200 or more faults capable of producing large earthquakes. Some of the faults are hidden and some visible at the surface. The biggest concentration of faults are in the San Adreas fault zone and the San Jacinto fault zone. Because of California s large amount of Fault lines the United States Geological Survey, the California division of mines and Geology, the California Institute and other agencies have developed the Southern California Earthquake Center and TriNet Seismic network. This organization monitors the earthquake activity. The seismographs are linked to a computer using a mix of GPS and Landlines . The seismography records are sent to a computer within a few minutes. The information is a available to the public via the Internet. Data at this site is saved to a catalog that are searchable by various parameters. After creating the project using ArcView GIS or Arc View 3D analyst, the next step was to determine the project s objective and scope. Once the data was obtained and converted, maps could be created and analysis performed. The projects objective was to ascertain whether there was a pattern to the earthquakes in Southern California. The area chosen stretches approximately 67 miles by 50 miles. The time frames was 6 months. The SCEC Data center Earthquake and Hypocenter and Phase database was queried for data. Available search parameters were data about magnitudes, start and end date, minimum and maximum depths and Longitude and Latitude. A second site from Cal Tech and the USGS was also used. Time measurements from the SCEC site were converted to Pacific standard time for use with Cal Tech/USGS data. Latittude and longitude measurement in degrees from Cal Tech site were converted to decimal degrees. The highway and street data (from arcview) were used. The highways around the area was selected. Data from the internet was used to determine where the faults were located. Using the line tool, as each line was drawn the name of the fault was added to the table. Once the map was completed, a 3d theme could be created. The 3d theme was created to show the depth of the faults (z axis). In order to make a TIN theme the themes from the 1st view was pasted into the 2nd view. A breakline theme was created parallel to and on each side of an observed pattern of earthquakes perpendicular to the San Jacinto fault. Using the earthquake point theme and breakl

Our inspirational collection of essays and research papers is available for free to our registered users

Related Essays on Geology

View Of Local Museum Directors

View of Local Museum Directors Each group should get an equally fair chance to do what they want with the bones.First the scientists should get the bones, second the museum directors, and last theU...

read more

One question that is being asked by people is, "Why go to Mars"? The reasons are very simple. People want to gain recognition of how they were the first people who went to Mars and opened up ...

read more
Victorian Doubt In God

Victorian Doubt in God: Alfred Tennyson s In Memoriam When I first got this assignment I racked my brain for a topic that would interest me as well as something I could learn from. When I came acr...

read more
Earthquakes/Plate Techtonics

A Discussion On Earthquakes/Plate Technonics Perhaps Mother Nature offers no greater force than that of the earthquake. Across the span of time, earthquakes have been recorded for their incredible...

read more
Charles Darwin

Charles Darwin was born in Shrewsbury, England, in 1809. His family was known for having scientists. Robert Darwin, his father was a physician, his grandfather, Erasmus Darwin, was also a scientis...

read more

Dating back to the 18th century concretions have been known as geologic curiosity s due to the various sizes, shapes and compositions. Concretions have also been thought to be dinosaur eggs, extra-...

read more