Laguna del Maule (volcano) 2017. The Chilean National Geology and Mining Service monitors the volcano. Laguna del Maule (volcano) Laguna del Maule is a volcanic field in the Andes mountain range of Chile, close to, and partly overlapping, the Chile-Argentina frontier. The bulk of the volcanic field is in the Talca province of Chile's Maule Region. It is a segment of the Southern Volcanic Zone, part of the Andean Volcanic Belt. Many of the volcanic centres in the Laguna del Maule volcanic field formed during postglacial times, after glaciers had retreated from the area. This activity has generated cones, lava domes, lava coulees and
Laguna del Maule (volcano) northwest of Laguna del Maule, a neighbouring rhyodacite west of Laguna del Maule dam, basaltic () 63,000–62,000 years ago near the outlet of Laguna del Maule, a rhyolite east of the outlet 38,000 ± 29,000 years ago, and andesites also west of the dam 27,000–26,000 years ago named . Silicic volcanic units erupted after 25,000 include young andesites on the western coast of Laguna del Maule 24,000 years ago, rhyodacitic 21,000 years ago southeast of Laguna del Maule and rhyolitic () 19,000 years ago in the northern part of the field, the latter of which dammed the Maule River and