Summary
The project investigates the cause of a recent increase in volcanic activity at the Laguna del Maule volcanic field, Chile, which has in the past produced voluminous and explosive volcanic eruptions. Starting in September 2025, the ground surface has been rising ~4.5 cm per month, double the rate observed there over the last 15 years. The number of earthquakes has also increased and appear clustered above or near a growing magma body. This volcano has a series of 31 marked stations where gravity measurements have been repeatedly measured since their installation in 2013, with the most recen
