Thompson, J., Giovanini, E., Befus, K., Marshall, E. and Allison, C. 2025. The use of UAV-based visible and multispectral thermal infrared data for active volcano monitoring and analysis: test of a low-cost solution applied to the 2022 Meradalir eruption. Volcanica. 8, 1 (Jun. 2025), 325–339. DOI:https://doi.org/10.30909/vol/qmel8943.