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Rio Grande Rift Seismic Transect Experiment
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Rio Grande Rift Seismic Transect Experiment
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The project is funded by the National Science Foundation and the Institute of Geophysics and Planetary Physics at Los Alamos, and is supported by the IRIS Consortium Program for Array Seismic Studies of the Continental Lithosphere, PASSCAL.
The principal goal of RISTRA is to produce the sharpest images ever obtained of the seismic structure of the lower crust and upper mantle beneath the Colorado Plateau, the Rio Grande Rift, and the southwestern Great Plains by recording and processing seismic signals generated by earthquakes occurring throughout the world. This imaging will shed light on past and present tectonic processes in western North America.
The main line of seismometers will extend approximately 1000 km from West Texas, through New Mexico and northeast Arizona, and into Utah. A second line of about 350 km in length will cross the rift at Socorro, New Mexico. Instruments will be deployed for approximately 18 - 20 months starting on August 15, 1999. 54 stations were completely installed by the end of November, 1999.
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Our data and results will be integrated with other ongoing experiments in the region, particularly CDROM.
