Global Volcanism Program | Image GVP-12532
Glaciated Volcán Guallatiri is in the center of this December 2017 Planet Labs satellite image monthly mosaic (N is at the top; this image is approximately 23 km across). Thick lava flows, domes, and coulees form the flanks, a lava dome complex forms the summit, and both the summit and southwest fumarole fields remain active. The Domo Tinto lava dome formed on the SSW flank around 5,000 years ago.
Satellite image courtesy of Planet Labs, 2017.