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The gravimeter deployed at Poas is a Wee-g MEMS micro-gravimeter, developed by the University of Glasgow. It is a continuous instrument that outputs data via a serial communication interface, and was integrated into the AVERT platform during the 2024 field workshop. This represents the first continuous MEMS gravimeter deployed on any volcano worldwide. The instrument was added to the VPMI hub site as a test of the AVERT system’s extensibility to new sensor types.
MEMS-based Wee-g micro-gravimeter (University of Glasgow). Continuous measurements via serial communication interface.
Continuous recording, integrated into the AVERT node control software alongside other instruments at VPMI.
Paired with GNSS and gas observations to constrain processes in the hydrothermal system and shallow magmatic reservoir at Poas.