Despite its relatively minor abundance in magmas (compared with H2O and CO2), sulfur
degassing from volcanoes is of tremendous significance. It can exert substantial influence …

This article provides background information about Ecuador's general volcanic setting, as an
introduction to the numerous articles in this Special Issue of the Journal dealing with the …

This paper presents the global project Network for Observation of Volcanic and Atmospheric
Change (NOVAC), the aim of which is automatic gas emission monitoring at active …

Abstract The Instituto Geofísico (IG-EPN) was created in 1983 by faculty of the Escuela
Politécnica Nacional, a public university in Quito, Ecuador, with the objective of assessing …

Global volatile fluxes from subaerial volcanoes at subduction zones were estimated based
on a compilation of fluxes from various sources, including persistent degassing, hot and cold …

Abstract The violent August 16–17, 2006 Tungurahua eruption in Ecuador witnessed the
emplacement of numerous scoria flows and the deposition of a widespread tephra layer …

Ecuador has about 20 active continental volcanoes, with a volcanic explosivity index (VEI)
between 2 and 7. In the last 17 years, five of these volcanoes (Sangay, Guagua Pichincha …

Understanding the processes at the origin of explosive events is crucial for volcanic hazard
mitigation, especially during long-lasting eruptions at andesitic volcanoes. This work …

Routine measurements of SO2 flux using the traverse method on Mt. Etna (Italy) were
augmented in late 2004 when an array of automatic scanning ultraviolet spectrometers was …

The Litang fault system that crosses the Litang Plateau, a low relief surface at high elevation
(~ 4200–4800 m above sea level) that is not affected by regional incision, provides the …