Magma and mountain building at the Columbia River Gorge
The Columbia River has sawed its way to the sea as a mountain range grew up around it. There is history to be read in the walls of the gorge, including history of the mountains’ rise.
NSF-funded GeoCode project demonstrates educational impact of coding and using large, real-world datasets
Students gain an authentic scientific experience by exploring large, real-world datasets and building coding skills with GeoCode’s educational modules.
Corner reflectors installed at NOTA stations for NASA JPL Project
To facilitate calibration of InSAR ground displacement measurements, NASA JPL corner reflectors have been deployed next to NOTA stations along the San Andreas Fault. Check out this video to learn more!
Fast and Slow: Chile’s subduction zone moves in distinct ways
Though Chile is known for several major earthquakes, the Atacama seismic gap features slow movement that scientists seek to unravel.
Thorium spikes in Colorado streams could be caused by bedrock fractures
Changes in trace amounts of the element thorium in two Colorado catchments appear to be explained by subsurface fracturing. The cause of fracturing might be attributable to distant earthquakes.
Former intern finds curious signal in geyser eruption data
Seismic monitoring of Yellowstone’s Steamboat Geyser showed that signals appeared weaker in winter—because of snow cover.
Alaska earthquake data shows potential for early warning
During the summer of 2021, the magnitude 8.2 Chignik earthquake ruptured on the Alaskan coast, providing scientists, such as a team led by Parameswaran of University of Alaska Fairbanks, with a test case for a future early warning system for the region.
The Cascadia Slow Slip Phenomenon
The Cascadia Subduction Zone is not your typical subduction zone. It is characterized by unique “slow slip events” that occur in the intervals between megathrust earthquakes along the fault.
A Day is Not Always 24 Hours: How Earth’s Shifting Systems Cause Day Length Variation
Believe it or not, the length of each day is not always exactly 24 hours. Though the changes may be virtually undetectable to the regular person, scientists are uniquely aware of the lengthening and shortening of days over time.
Two High Magnitude Earthquakes “Wake up” Fault System in Southwestern Türkiye, Triggering Over 200 Aftershocks
On February 6th, 2023, Türkiye and Syria experienced the devastating effects of two large (magnitude 7.8 and 7.5) earthquakes, which triggered more than 200 aftershocks. A recent study led by first author, Gesa Maria Petersen, maps two fault zones using data produced from these earthquakes, uncovering never before mapped fault sections and ground motion along these faults.