New research explains why Mount Veniaminof erupts without the usual warming signs.
lava & magma
Posted inNews
Io Probably Doesn’t Have a Global Magma Ocean After All
Data from the Juno spacecraft may have answered a decades-old question about Jupiter’s moon.
Posted inEditors' Highlights
120 Years of Geodetic Data on Kīlauea’s Décollement
A new study explores the deformation and stress changes of Kīlauea’s décollement from 1898 to 2018 by collating an unprecedented 120 years of geodetic data.
Posted inNews
Large Igneous Provinces May Have Leaked Cryptic Carbon
Dissolved carbon dioxide may have bubbled up from magma far below the surface, contributing to prolonged warming.
Posted inResearch Spotlights
Tracking a Disappearing Mantle Plume in Ancient Samoa
A thick portion of Earth’s crust may have capped the Samoan plume and suppressed volcanism for 30 million years, explaining a curious gap along the Samoan chain.
Posted inNews
Hot Spot Lavas Around the World May Have Something in Common
A global study of lavas from volcanic hot spots suggests that contrary to accepted wisdom, Earth’s deep mantle may have the same composition throughout. Not everyone is convinced, however.
Posted inNews
Here’s Why Resolution Copper Wants to Mine Oak Flat
Southeastern Arizona’s “Copper Triangle” is a hot spot for high-grade deposits, thanks to ancient magmatic activity.
Posted inEditors' Highlights
Timing the Global Expansion on the Moon
A new analysis of the relation between randomly oriented linear gravity anomalies and two large craters on the Moon implies that the gravity anomalies formed over a long period of time.
Posted inResearch Spotlights
How Did Magma Oceans Evolve on Early Earth and Mars?
New insights into the early timelines of rocky planets are emerging, thanks to clues from iron chemistry and primordial atmospheres.