The discovery, gleaned from observations of volcanoes on four continents, could help constrain models of volcanic eruptions.
Hazards & Disasters
Posted inNews
New Hazard Exposure Model for Africa
The rapid pace of urbanization could encroach on hazard-prone regions without adequate land management and building design regulations, a new modeling project shows.
Posted inNews
Wildfires Will Worsen, Warns U.N. Report
From the equator to the Arctic, wildfires are likely to increase, and climate change can make them worse, according to a new United Nations report. Action is still possible, say the authors.
Posted inEditors' Highlights
Moving Earthquake-Generated Sediment Through a Landscape
Ten years after the Wenchuan earthquake, most of the new sediment it produced remained on the landscape, indicating a long recovery time.
Posted inNews
Warmer Nights Are Adding Fuel to Nighttime Fires
Cool, moist nights are rarer than they were a few decades ago, and that’s giving wildfires an edge over crews trying to hold fire lines.
Posted inNews
Buscando terremotos en la ionosfera
Los terremotos pueden liberar ráfagas de energía eléctrica que se pueden sentir en la ionosfera, a kilómetros por encima de la Tierra. Sin embargo, la teoría sigue siendo controvertida.
Posted inFeatures
Striking Out into the Field to Track Slip on the Sumatran Fault
An international team overcame many challenges, including from the COVID-19 pandemic, to deploy a dense seismic network along an understudied fault system that poses hazards to millions in Indonesia.
Posted inNews
Hazards Scientist David Applegate Nominated for USGS Director
If confirmed, Applegate would fill a yearlong vacancy at the head of the agency.
Posted inFeatures
A Cagey Approach to Speedy and Safe Seafloor Deployments
Researchers devised a simple way to deliver ocean bottom seismometers accurately to the seafloor to study ongoing seismic and volcanic activity near the islands of Mayotte.
Posted inResearch Spotlights
Estimating Heat Wave Frequency and Strength: A Chicago Case Study
Numerical modeling shows widespread impacts of the 2012 Chicago heat wave, shedding light on heat wave and urban heat island impacts on the city’s temperature.