Why does low-frequency energy come from the shallow part of ruptures, and the high frequencies from deep?
Hazards & Disasters
Posted inResearch Spotlights
Crustal Motion and Strain Rates in the Southern Basin and Range Province
New research teases out variations in strain rates and explores potential earthquake hazards across the southern Basin and Range and Colorado Plateau.
Posted inNews
An Iceberg May Have Initiated a Submarine Landslide
A new study shows that icebergs may initiate submarine landslides when they collide with the seafloor.
Posted inResearch Spotlights
A New Method Produces Improved Surface Strain Rate Maps
The transdimensional Bayesian approach handles GPS data limitations better than existing methods and may assist future seismic hazard assessment studies.
Posted inNews
Where Do the Metals Go?
Volcanic eruptions spread harmful metals in the environment. Now the biggest study to date details exactly where they end up.
Posted inEditors' Highlights
Good, Soon, and Cheap – Earthquake Early Warning by Smartphone
Fixed smartphone networks can provide robust early warning of earthquakes at far lower costs than traditional scientific arrays, which is an important consideration for regions with limited resources.
Posted inEditors' Highlights
Volcano—Tectonic Interactions at Etna
Mapping of a 2018 earthquake that ruptured the eastern flank of Mount Etna shows that it occurred on a tectonic lineament that predates the volcano, and the kinematics match nearby tectonic domains.
Posted inResearch Spotlights
Modeling Volcanic Debris Clouds
How does a large volcanic cloud get into the stratosphere? Scientists model how volcanic debris injected into the lower stratosphere can be lofted high into the middle stratosphere.
Posted inResearch Spotlights
Improved Algorithms Help Scientists Monitor Wildfires from Space
Wildfires release pollutants that harm human health. Quality satellite monitoring can help track these pollutants and predict where they may become health hazards.
Posted inNews
Persiguiendo magma por la península de Reykjanes en Islandia
La Oficina Meteorológica de Islandia ha estado rastreando la agitación cerca de la erupción de Fagradalsfjall desde diciembre de 2019, mientras que investigadores en otros lugares exploran nuevos métodos para ver los enjambres sísmicos de Islandia.