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.
Cascades
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 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.
Posted inScience Updates
Addressing Cascadia Subduction Zone Great Earthquake Recurrence
USGS Powell Center Cascadia Earthquake Hazards Working Group; Fort Collins, Colorado, 25–29 March 2019
Posted inScience Updates
Hunting for Landslides from Cascadia’s Great Earthquakes
Researchers examine the rings of drowned trees in landslide-dammed lakes for clues to today’s earthquake hazards in the Pacific Northwest.
Posted inResearch Spotlights
Revising an Innovative Way to Study Cascadia Megaquakes
Researchers probe natural environments near subduction zones to decrypt underlying mechanisms of major earthquakes.
Posted inNews
Assessing Earthquake Risks in the Pacific Northwest
While megaquakes occasionally occur along the Cascadia margin, smaller but more frequent crustal earthquakes are a more immediate threat, according to a natural hazards expert.