One of the biggest challenges in volcanic hazard assessment is to understand how and why
eruptive style changes within the same eruptive period or even from one eruption to the next …

The style and evolution of volcanic eruptions are dictated by the fluid mechanics governing
magma ascent. Decompression during ascent causes dissolved volatile species, such as …

Explosive volcanic eruptions constitute a major class of natural hazard with potentially
profound economic and societal consequences. Although such eruptions cannot be …

Volcanic eruptions are driven by bubbles that form when volatile species exsolve from
magma. The conditions under which bubbles form depend mainly on magma composition …

When considering the rheology of a suspension the fundamental physical aspect to be
quantified is the redistribution of strain between the deformable matrix fraction of the …

Crystals in hydrous magmas can form in response to falling temperature (magma cooling) or
degassing (magma decompression). It remains unclear which process dominates beneath …

The crystallization of a hydrous basaltic-andesite magma was investigated using cooling
and decompression experiments. These experiments were designed so that the driving …

Bubble nucleation is at the heart of magma ascent and degassing. Nucleation kinetics
control how easily a magma exsolves its volatiles, and thereby its explosivity close to the …

Volcanoes can erupt explosively, generating high columns of ash and occasional pyroclastic
flows, or they can erupt slowly forming lava flows and domes. This variation reflects …

The rheology of crystal‐bearing magma and lava depends on both the shape and volume
fraction of the suspended crystals. We present the results of analogue rheometric …