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GRAPHICAL DISPLAY OF LARGE VOLUMES OF SEISMIC DATA
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Stimulated by the large volume of data flowing in from USArray and other sources, the Data Management System is exploring new strategies for the graphical presentation of event-based data and data summaries. After large events (the m8.8 Chile earthquake of 02/27/2010 is illustrated here) typical data displays, such as record sections, might contain data from over 1000 stations and be completely illegible if presented in traditional ways. This collage illustrates some of the new strategies that are being explored to display large volumes of data in meaningful ways while maintaining clarity when the plots are rendered at usable sizes. Display tools and strategies have been developed by individual data users as well as by the Data products team working within the DMS. Regardless of the source, the various data visualization strategies are first prototyped, then evaluated by a working group that represents a diverse cross-section of data users. Displays are tuned to the needs of different audiences and analyses. Selected display techniques are then automated and put into routine production. In some cases, interfaces are developed to let users customize the display.</p>

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