Quickly identifying the exact position of 6.0 degrees earthquakes is critic for an effective response.
Europa Press, April 25, 2012 at 16:13
GPS technology will be used by the team of NASA researchers to identify quickly and accurately the location and magnitude of earthquakes in the western U.S. The real-time results Analysis Network Analysis for Earthquake Disaster (READI) could be used to help give a prompt response to the earthquake and tsunami alert more accurately.
This new research network is based on technology developed for decades supported by the National Science Foundation, the Department of Defense, NASA and the U.S. Geological Survey (USGS). The network uses real-time GPS measurements of about 500 stations throughout California, Oregon and Washington.
When a major earthquake is detected, GPS data is used to automatically calculate vital characteristics such as location, size and details of the fault rupture, assured NASA itself.
Accurate and quick identification of earthquakes of magnitude 6.0 or higher degrees is critical to disaster response and mitigation efforts, especially in the case of tsunamis. Calculate the force of a tsunami requires a detailed knowledge of the magnitude of the earthquake and associated earthworks. The acquisition of such data is a challenge for traditional seismic instruments.
"The network READI allows us for continuous development of technologies in real time via GPS to promote national and international disaster early warning," said the director of natural hazards program in the Division of Earth Sciences at NASA Washington, Craig Dobson.
Accurately, second by second, measurements of displacement of the Earth using GPS have been shown to reduce the time needed to characterize large earthquakes, and to increase the accuracy of the predictions of subsequent tsunamis. This system will be used by appropriate agencies of natural hazards monitoring. The USGS and the National Oceanic and Atmospheric Administration are responsible for the detection and alerting of earthquakes and tsunamis, respectively.
In the network READI many institutions are collaborating, including the University of California at San Diego, the Central Washington in Ellensburg, the University of Nevada at Reno, the California Institute of Technology / Jet Propulsion Laboratory (JPL) in Pasadena, UNAVCO in Boulder (Colorado ) and the University of California at Berkeley.
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