The rapid depressurisation and discharge of volatile rich silicic magma chamber and the
onset of caldera collapse associated with ignimbrite eruption is investigated using combined …

Caldera-forming eruptions of silicic magmas result from a complex coupling of the
mechanics and fluid dynamics of the associated magma chamber. Field studies of caldera …

Caldera formation has been explained by magma withdrawal from a crustal reservoir, but
little is known about the conditions that lead to the critical reservoir pressure for collapse …

Recent analytical investigations have suggested that magma buoyancy is critical for
triggering catastrophic caldera forming eruptions. Through detailed assessment of these …

We use a modified version of the CPIUC model [Macedonio, G., Neri, A., Martí, J., Folch, A.,
2005. Temporal evolution of flow conditions in sustained explosive eruptions, Journal of …

Collapse calderas have received considerable attention due to their link to Earth's ore
deposits and geothermal energy resources, but also because of their tremendous …

During caldera collapse events, new conduits may open and dramatically modify the style of
the associated eruption. In order to investigate the effect of conduit geometry on the …

We develop an analytical model to infer the total volume of a magma chamber associated
with caldera collapse and the critical volume of magma that must be withdrawn to induce …

Scaled experiments have been carried out on caldera collapse mechanisms, using silicone
as analogue magma and dry sand as analogue rock. Experiments were carried out in two …

For a typical poroelastic shallow crustal magma chamber, about 0.1% of the mafic magma
and about 4% of the felsic magma are erupted and/or injected during magma-chamber …