Background:
Laguna Verde (Green Lagoon, located at 4300 m) is a salt lake at the north eastern base of Juriques, an older Pleistocene stratovolcano next to Licancabur. Juriques volcano is located immediately to the SE and is capped by a 1.5-km-wide summit crater.
(Source: Smithsonian GVP Liancabur volcano information)