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Global Volcanism Program | Image GVP-07854

Scenic Lake Atitlán fills the northern half of the Atitlán III caldera, which formed about 84,000 years ago following eruption of the Los Chocoyos Ash.  The 18 x 12 km caldera lake is seen here from the south, with the slopes of the post-caldera Tolimán stratovolcano in the foreground.  The relatively flat lake floor is 300 m below the water surface, and caldera walls rise to nearly 900 m above the lake.  Bathymetric surveys revealed no evidence for resurgent doming or post-caldera vents beneath the lake surface. Photo by Bill Rose, 1980 (Michigan Technological University).

Scenic Lake Atitlán fills the northern half of the Atitlán III caldera, which formed about 84,000 years ago following eruption of the Los Chocoyos Ash. The 18 x 12 km caldera lake is seen here from the south, with the slopes of the post-caldera Tolimán stratovolcano in the foreground. The relatively flat lake floor is 300 m below the water surface, and caldera walls rise to nearly 900 m above the lake. Bathymetric surveys revealed no evidence for resurgent doming or post-caldera vents beneath the lake surface.

Photo by Bill Rose, 1980 (Michigan Technological University).


Tolimán

Atitlán