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In this activity, students will learn about seismic data and the basics of how to use it. Using a single-channel seismomgraph, they will establish a survey line, set up the instrument, and make readings (time, in milliseconds) at measured intervals. They will graph their data, attempt to locate the water table (indicated by a break in slope in the graph), and calculate its depth. Sample data for constructing practice graphs, instructions for using the seismograph, and the formula for calculating depth are provided. Instructions for obtaining a video that outlines the procedure are also included.
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