Waveform inversion of regional earthquakes reveals velocity anomalies interpreted as subducting seamounts that control an enigmatic segmentation in plate coupling along the Hikurangi margin.
Natural hazards
Posted inEditors' Highlights
A New Index to Assess Multiple-Reservoir Effects on Peak Floods
A simple, yet quantitative, index is demonstrated to quantify reductions in the peak flood resulting from multiple reservoirs, arranged in series along the same river reach.
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 inEditors' Highlights
Continuity is the Father of Success
Geodetic measurements indicate that Three Sisters Volcano uplifted by almost 300 millimeters in the past 25 years without significant anomalies at the surface.
Posted inScience Updates
Sensing Iceland’s Most Active Volcano with a “Buried Hair”
Distributed acoustic sensing offered researchers a means to measure ground deformation from atop ice-clad Grímsvötn volcano with unprecedented spatial and temporal resolutions.
Posted inEditors' Highlights
Next-Generation Solar Proton Monitors for Space Weather
NOAA’s weather satellites at geosynchronous orbit also measure space weather and a new series of instruments bring improved capabilities for monitoring and science discovery.
Posted inScience Updates
Tree Rings Reveal a 700-Year Record of Flooding in Bangladesh
Trees tell of a wetter past along the Brahmaputra River and, combined with climate modeling, suggest heightened future flood risks in one of the world’s most densely populated areas.
Posted inFeatures
Ten Years on from the Quake That Shook the Nation’s Capital
A decade of study into the Virginia earthquake that damaged D.C. and reverberated up and down the Atlantic coast in 2011 has shed light on rare, but risk-laden, seismicity in eastern North America.