Masaya did not offer an opportunity to sample high-temperature fumaroles, but its neighbors, Momotombo and Cerro Negro volcanoes, are noted for their fumarolic activity
2003, L.J. Wardell, P. Delmelle, T. Fischer, J.L. Lewicki, E. Malavassi, J. Stix, W. Strauch, Volcanic gas workshop features state-of-the-art measurement techniques