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Summary of eruption dates and Volcanic Explosivity Indices (VEI).
|Start Date||Stop Date||Eruption Certainty||VEI||Evidence||Activity Area or Unit|
|1240 ± 50 years||Unknown||Confirmed||Radiocarbon (uncorrected)||North flank (Redondo, Chufquén)|
|0920 BCE ± 75 years||Unknown||Confirmed||5||Radiocarbon (uncorrected)||SW caldera rim (Alpehué crater)|
The following references are the sources used for data regarding this volcano. References are linked directly to our volcano data file. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title. Additional discussion of data sources can be found under Volcano Data Criteria.
Gilbert J S, Stasiuk M V, Lane S J, Adam C R, Murphy M D, Sparks R S J, Naranjo J A, 1996. Non-explosive, constructional evolution of the ice-filled caldera at Volcan Sollipulli, Chile. Bull Volc, 58: 67-83.
Gonzalez-Ferran O, 1995. Volcanes de Chile. Santiago: Instituto Geografico Militar, 635 p.
Moreno H, 1974. Airplane flight over active volcanoes of central-south Chile. Internatl Symp Volc Andean & Antarctic Volc Problems Guidebook, Excur D-3, 56 p.
Moreno H, Naranjo J A, 1991. The southern Andes volcanoes (33°-41° 30' S), Chile. 6th Geol Cong Chile, Excur PC-3, 26 p.
Naranjo J A, Moreno H, Emparan C, Murphy M, 1993. Volcanismo explosivo reciente en la caldera del volcan Sollipulli, Andes del Sur (39° S). Rev Geol Chile, 20: 167-191.
The 4-km-wide, glacier-filled Sollipulli caldera lies to the east of the Pleistocene Nevados de Sollipulli complex. Major silicic pyroclastic rocks associated with caldera formation have not been found, and the caldera may have a non-explosive origin. Post-caldera eruptions have been focused along the caldera walls and have increased its height. A series of dacitic lava domes lines the eastern and southern caldera rims. The 1-km-wide Alpehué crater, which cuts the SW rim, was the source of a large plinian eruption 2900 years before present (BP). Explosion craters and scoria cones are found on the outer flanks of the caldera. Two north-flank cones produced lava flows during the latest documented activity about 700 years BP (Naranjo et al., 1993). This low-profile volcano is less prominent than its neighbors Llaima and Villarrica, but its explosive history makes it a potentially hazardous volcanic center.