Pyroclastic density currents (PDCs) are a major threat during an explosive volcanic eruption. A new study shows that loose tephra accumulations on volcanic slopes tend to re-mobilize rapidly.
landslides
Posted inResearch Spotlights
Steep Mountain Slopes Have Surprisingly Long Lifetimes
New models of eastern Tibetan hillsides show that steep slopes with “excess” rock last longer on average than their shallower counterparts.
Posted inNews
A Community-Led Landslide Prediction System in India
In a first-of-its-kind disaster prevention initiative, a meteorology-based landslide prediction system was developed as a crowdsourced science effort.
Posted inScience Updates
“Landslide Graveyard” Holds Clues to Long-Term Tsunami Trends
A new project looks to unearth information about and learn from ancient underwater landslides buried deep beneath the seafloor to support New Zealand’s resilience to natural hazards.
Posted inEditors' Highlights
Good or Bad Jam? Modeling Boulders’ Fate at Constrictions
A new modeling framework to assess the likelihood of jamming at constrictions can be used to support the design of effective mitigation measures and reduce risk in debris flow prone areas.
Posted inEditors' Highlights
Debris Flows Keep the Landscape on the Straight and Narrow
New methods for identifying debris flow-shaped channels improve hazard quantification and highlight how high uplift rates and fractured bedrock facilitate debris flow-dominated landscape evolution.
Posted inFeatures
Exploring Subduction Zone Geohazards on Land and at Sea
A new initiative is bringing together scientists to address fundamental questions about subduction zone geohazards, using the latest advances in observation technology and computational resources.
Posted inEditors' Highlights
History Matters When Gauging Hillslope Susceptibility to Failure
Using susceptibility models to forecast the potential locations of landslides is a key tool in mitigating landslide hazard, but are existing approaches appropriate in dynamic mountainous settings?
Posted inNews
Which Came First, the Eruption or the Landslide?
Anak Krakatau’s eruption was accompanied by a devastating tsunami. But was the eruption to blame?
Posted inNews
No Relief from Rain: Climate Change Fuels Compound Disasters
Climate change is increasing the risk of fire-rain events, raising mudslide concerns in fire-prone communities.