Shifting Ground Archives

Shifting Ground: USGS on Earth Movement after an Earthquake

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This entry is part 1 of 3 in the series Shifting Ground

Ken Hudnut, science advisor for risk reduction, US Geological Survey, talks GPS and earthquakes. Editor’s note: In many ways, we are all participants in a grand scientific endeavor that’s on the cusp of helping humankind prepare for some of the most destructive natural hazards–earthquakes and volcanic eruptions. The fields of seismology, geodesy, and surveying have […]

Geodetic Control over Time and Space in California

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This entry is part 2 of 3 in the series Shifting Ground

Interview with Scott Martin, Chief of Geodetic Control and GNSS Surveys, California DoT Above: UNAVCO/PBO station P655 with Mt. Shasta in the background. Matteo Luccio: Scott, what is your relevant background and what is your current role? Scott Martin: I’m a state employee with the California Department of Transportation (Caltrans), in the Office of Land […]

Shifting Ground: GNSS for Earthquakes

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This entry is part 3 of 3 in the series Shifting Ground

Glen Mattioli, Director of Geodestic Infrastructure, UNAVCO This is the third article in our series introducing you to scientists and technologists who work in pursuit of early-warning capabilities for earthquakes and volcanoes—in the increasingly aligning fields of seismology, geodesy, and surveying. You can access this series on our website by searching the author’s name. Glen […]