The geodynamic setting of the Azores archipelago, straddling the triple junction between the
North America, Eurasia and Nubia plates, is reflected in frequent volcanic and tectonic …

The oceanic-island magmatic systems of the Atlantic Ocean exhibit significant diversity in
their respective sizes, ages, and the compositional ranges of their eruptive products …

Carbon dioxide (CO2) diffuse degassing structures (DDS) at Furnas volcano (São Miguel
Island, Azores) are mostly associated with the main fumarolic fields, evidence that CO2 soil …

A health hazard assessment of exposure to soil gases (carbon dioxide and radon) was
undertaken in the village of Furnas, located in the caldera of an active volcano. A soil survey …

This study presents uranium (U) and lithium (Li) isotope and major and trace element data
for the dissolved load, suspended particles and bedload from rivers draining dominantly …

Em face das suas peculiares características geológicas, em sentido lato, o arquipélago dos
Açores constitui um autêntico laboratório natural para uma diversidade de estudos na área …

Caldera volcanoes form due to collapse of a magma chamber roof into the underlying
magma chamber. Many field, theoretical and experimental studies have postulated that …

The need to examine the vulnerability of people to natural hazards, in addition to the long-
established requirement to study extreme events of nature, is being increasingly recognised …

Induced polarization measurements can be used to image alteration at the scale of volcanic
edifices to a depth of few kilometers. Such a goal cannot be achieved with electrical …

Electrical conductivity tomography is a well-established galvanometric method for imaging
the subsurface electrical conductivity distribution. We characterize the conductivity …