Colima (Mexico)

Status Unrest Eruption 2017 3850m
Stratovolcano(es) (Subduction zone / Continental crust (> 25 km))

Colima

The Colima volcanic complex is the most prominent volcanic center of the western Mexican Volcanic Belt. It consists of two southward-younging volcanoes, Nevado de Colima (the 4320 m high point of the complex) on the north and the 3850-m-high historically active Volcán de Colima at the south. A group of cinder cones of late-Pleistocene age is located on the floor of the Colima graben west and east of the Colima complex. Volcán de Colima (also known as Volcán Fuego) is a youthful stratovolcano constructed within a 5-km-wide caldera, breached to the south, that has been the source of large debris avalanches. Major slope failures have occurred repeatedly from both the Nevado and Colima cones, and have produced a thick apron of debris-avalanche deposits on three sides of the complex. Frequent historical eruptions date back to the 16th century. Occasional major explosive eruptions (most recently in 1913) have destroyed the summit and left a deep, steep-sided crater that was slowly refilled and then overtopped by lava dome growth.

The Colima volcanic complex consists of the massive overlapping stratovolcanoes Nevado de Colima (the 4240 m high point of the complex, at the right) and Volcán de Colima (left). Volcán de Colima is a youthful stratovolcano constructed within a 5-km-wide caldera, breached to the south, that has been the source of large debris avalanches. Frequent historical eruptions from Colima accompanying growth of a summit lava dome have produced explosive activity, pyroclastic flows, and lava flows.

Photo by James Allan, 1981 (Smithsonian Institution).

Last updated 2019-12-17 19:00:04

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