Incorporated Research Institutions for Seismology

http://www.iris.washington.edu

The Incorporated Research Institutions for Seismology (IRIS) serves as a national focus for the development, deployment, and support of modern digital seismic instrumentation. IRIS is split into three groups - Global Seismic Network (GSN), Passcal Program, and Data Management System (DMS). This site provides information about each portion of IRIS and provides links to other seismology sites.

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