Compared with crustal magma systems, little is known about the deep sources of volcanic supply chains. Interdisciplinary efforts can help answer key questions about how magma migrates from the mantle.
lava & magma
Posted inEditors' Highlights
Hawai’i’s Depleted Peridotite Delivers More Magma
The source for the isotopically-enriched Hawaiian magmas contains peridotites that experienced near-surface melting prior incorporation in the plume.
Posted inResearch Spotlights
Water Stored in the Mantle for Millions of Years May Be Linked to Continental Volcanism
New research shows that intraplate volcanism is more likely to occur over areas of the mantle that are more hydrated—particularly those that have been hydrated for a long, long time.
Posted inEditors' Highlights
Observing Magma-Induced Seismic Velocity Changes with Fiber-Optics
A new high-resolution method for tracking volcanic activity utilizes fiber-optic sensing to detect magma intrusion by measuring seismic velocity changes.
Posted inNews
Magma Beneath Yellowstone Is Shifting Northeast
Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt soon.
Posted inResearch Spotlights
Antarctic Ice Melt May Fuel Eruptions of Hidden Volcanoes
More than 100 volcanoes lurk beneath the surface in Antarctica. Ice sheet melt could set them off.
Posted inResearch Spotlights
Magmatic Fluids and Melts May Lie Beneath Dormant German Volcanoes
New processing strategies applied to old seismic data reveal potential pockets of magmatic fluids or melts from the upper mantle.
Posted inEditors' Highlights
Imaging Magma from Afar
Reservoirs of magma and fluids in the crust create gravity anomalies detectable by altimetry, which can help find submarine volcanoes and provide key insights into their depth, shape and volume.
Posted inEditors' Highlights
Magma Diversity in Iceland
Iceland’s recent basalt eruptions originated at the crust-mantle boundary and show chemical variability over remarkably short timescales of weeks, suggesting exchanges between diverse magma sources.