This site contains an exercise in which students are asked to examine the frequency and distribution of earthquake epicenters and compare these epicenters to the distribution of plate boundaries and cities. Students download earthquake epicenters for the last several days and for an entire year from the Internet, and map the information using ArcView geographic information system (GIS), and analyze the patterns that become evident. The module presents background information on earthquakes and GIS, and includes step-by-step instructions for using the technological tools. It can be adapted to a wide range of grade levels and may be presented as an introductory GIS exercise. It may be completed without a GIS by using a paper base map, but requires access to the World Wide Web. This module has been classroom tested, and was peer reviewed during June 1997.
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