To supplement geophysical and remote sensing observations, we set up ground stations and carry out field work. The aim is to monitor deformations, calibrate observations and collect independent data for models.

Tiltmeters are essential in volcanology, as they detect the slightest changes in ground tilt that often precede eruptions. They provide real-time data for monitoring and improve the accuracy of forecasts. Combining them with seismic and gas monitoring optimizes hazard management.

Our department uses 12 tiltmeters. The model A701-2 offers <0.1 µrad sensitivity with minimal drift. It is buried 1 m deep; data logger and power supply are located in a weatherproof housing for quick checking.

Seeing the invisible. With the help of thermal and spectral sensors, small changes in radiation energy can be detected that indicate degassing, fluid flow, frictional heating and even the course of fractures and faults.

That is why we work with a range of thermal monitoring tools that we use in the laboratories and on board our drones to monitor subtle temperature changes.