Guallatiri (Chile)

Status Normal Eruption 1960 6071m
Stratovolcano (Subduction zone / Continental crust (> 25 km))

Guallatiri

One of northern Chile's most active volcanoes, Volcán Guallatiri is a symmetrical ice-clad stratovolcano at the SW end of the Nevados de Quimsachata volcano group. It lies just W of the border with Bolivia and is capped by a central dacitic dome or lava complex, with the active vent situated on its S side. Thick lava flows are prominent on the lower N and W flanks of the andesitic-to-rhyolitic volcano. Minor explosive eruptions have been reported since the beginning of the 19th century. Intense fumarolic activity with "jet-like" noises continues, and numerous solfataras extend more than 300 m down the W flank.

Volcán Guallatiri rises to the SSE beyond Laguna Chungará, and steam rises from a prominent fumarole near its summit. The symmetrical ice-clad stratovolcano lies at the SW end of the Nevados de Quimsachata volcano group just west of the border with Bolivia and is capped by a central dacitic dome or lava complex. Thick lava flows can be seen on its lower northern and western flanks. Minor explosive eruptions have been reported from Guallatiri since the beginning of the 19th century, and intense fumarolic activity continues.

Photo by Lee Siebert, 2004 (Smithsonian Institution).

Last updated 2019-12-06 18:00:03

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