U N A V C O , A N O N - P R O F I T U N I V E R S I T Y - G O V E R N E D C O N S O R T I U M , F A C I L I T A T E S G E O S C I E N C E R E S E A R C H A N D E D U C A T I O N U S I N G G E O D E S Y.
Transforming understanding of Earth systems and hazards using geodesy.
September 8, 2016
The GeoGirls program, now in its second year, is a five-day science and technology field camp for middle school girls on Mount St. Helens. UNAVCO again supported the program with staff time, introducing the girls to geophysics via the Plate Boundary Observatory.
September 21, 2016
UNAVCO hosts three summer internships, each with a different focus: RESESS, GLP, and USIP. This year’s 19 UNAVCO interns brought the total number of interns supported by UNAVCO to over 180 student interns and assistants. At the beginning of August, the majority of the 2016 interns departed their internship location after an exciting and rewarding summer of research, writing, working, and communications training.
September 30, 2016
UNAVCO Project Manager John Galetzka was a recipient of the 2016 John Wesley Powell Award, a national service award given by the U.S. Geological Survey (USGS), recognizes an individual or group, not employed by the Federal Government, whose contributions to the USGSs objectives and mission are noteworthy.
September 28, 2016
Every GPS station needs a host, and many stations within the EarthScope Plate Boundary Observatory are hosted by schools. In the first week of April 2016, UNAVCO staff visited four of these host schools near Ventura, California to meet with students ranging from fourth graders to community college students.
August 11, 2016
Estimates of the probabilities of a magnitude greater than 9.0 earthquake for the Aleutian Islands are about 6.5 to 12 percent over the next 50 years. Such an event poses obvious earthquake and tsunami risks for Alaska and tsunami risks for western North America and Hawaii.
June 14, 2016
The 7 November 2012 moment magnitude 7.4 Champerico (Guatemala) earthquake is among a growing number of subduction zone events observed by a local geodetic network. The GPS data show up to 2 meters of slip over a 30 by 30 square kilometer area on the fault at a depth of 10 to 30 kilometers. The data refine the location of the earthquake, increasing our understanding of faults and plate motions as well as earthquake risk resiliency.
October 4, 2016
Ground-based GPS measurements of the total electron content (TEC) in the ionosphere show discrepancies compared to a global model and suggest that there is a larger difference between the solar flux measured via radio emissions and the extreme ultraviolet flux coming from the Sun.
March 4, 2016
GPS sensors record the motion of the Helheim Glacier in Greenland as ice calving occurs at its terminus. As the iceberg rotates and rolls off sideways, the glacier springs backwards and moves downwards. This action produces an earthquake and the GPS sensors record all the motion and help to explain how glacial earthquakes occur.
February 6, 2013
The Mississippi Delta along the Gulf Coast of the United States is a major site of sediment deposition from the Mississippi River and conversely a major site of wetland loss from rising seas and subsidence. There is debate about how much and when the delta has risen or fallen due to deposition, subsidence, sea level change, and erosion.
February 18, 2015
Most of the ocean floor is unknown. Gravity models generated from satellite radar altimetry provide one of the only ways to map the height of the seafloor beneath all of the oceans. Years of data and thousands of satellite tracks have yielded unprecedented detail of major spreading ridges and thousands of seamounts.
August 16, 2016
The addition of geodetic data into the Pacific Northwest Seismic Network earthquake early warning system shows important enhancement to the warning system. Tests show the Geodetic First Approximation of Size and Time (G-FAST) could determine the characteristics of the 2001 Mw 6.8 Nisqually earthquake with sufficient robustness to warn communities at risk.
Last modified: Wednesday, 12-Oct-2016 22:49:18 UTC