Extended periods of volcanism known as flood basalt eruptions lead to volcanic winters, which are often followed by an extended period of warming. But it was more than just carbon dioxide that warmed the globe.
Cascades
Posted inEditors' Highlights
Continent-Scale Detection of Triggered Low Frequency Earthquakes
Very low frequency events in the gap zone of Cascadia illustrate how stress evolves on megathrusts, advancing our understanding of rupture dynamics.
Posted inScience Updates
Making the Most of Volcanic Eruption Responses
Last year, a new collaborative initiative conducted a hypothetical volcano response exercise. A month later, they put the knowledge gained to use during an actual eruption.
Posted inScience Updates
Swipe Left on the “Big One”: Better Dates for Cascadia Quakes
Improving our understanding of hazards posed by future large earthquakes on the Cascadia Subduction Zone requires advancements in the methods and sampling used to date and characterize past events.
Posted inScience Updates
A New Era of Debris Flow Experiments in the Oregon Woods
What do a backhoe, expanding foam, half-ton concrete blocks, and a 100-meter-long hillslope slide have in common? All were part of reviving the U.S. Geological Survey’s experimental debris flow flume.
Posted inResearch Spotlights
Land Motion Offers Insights into Cascadia Earthquake Cycle
Comparing recent GPS data with a longer record of sea level along the western coast of North America allows researchers to home in on interseismic deformation above the Cascadia megathrust.
Posted inNews
An Iconic Eruption Shaped Careers, as well as Landscapes
The 1980 eruption of Mount St. Helens influenced scientists who witnessed the event and spurred a new era in physical volcanology.
Posted inFeatures
Lessons from a Post-Eruption Landscape
Four decades of research into biophysical responses to the 1980 eruption of Mount St. Helens have vastly improved our understanding of how landscapes react to cataclysmic disturbances.
Posted inNews
GeoGirls: Confidence Erupts from a Camp at a Volcano
Summer camp at Mount Saint Helens empowers girls with science, confidence, and fun.
Posted inFeatures
Climbing the Occasionally Cataclysmic Cascades
Living in Geologic Time: Every one of the Pacific Northwest’s volatile volcanoes is likely to erupt again before the range goes extinct.