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Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Zitacuaro-Valle de Bravo
This view from the north shows the Cerro el Cacique lava dome, part of the extensive Zitácuaro-Valle de Bravo volcanic field in the central Mexican Volcanic Belt. The dome rises over the city of Heroica de Zitácuaro, which is built on top of a deposit originating from collapse of the Cerro Pelón lava dome (visible to the left of the Cacique dome). Andesite lava flows to the south in the Valle de Bravo area are as young as about 5,000 years. Photo by Lucia Capra, 1993 (courtesy of José Macías, Universidad Nacional Autónoma de México).
Volcano Number:
341061
Volcano Name:
Zitacuaro-Valle de Bravo
Country:
Mexico
Volcano Type:
Volcanic field
Last Eruption:
3050 BCE
Elevation:
3500m
Tectonic Setting:
Subduction zone / Continental crust (> 25 km)
Pop. within 5km:
231977
Pop. within 10km:
231977
Pop. within 30km:
490440
Pop. within 100km:
4838069
Latitude:
19.4
Longitude:
-100.25
Details
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The Zitácuaro-Valle de Bravo volcanic field in the central part of the Trans-Mexican Volcanic Belt consists of a broad region of shield volcanoes, lava domes, and cinder cones surrounding the city of Heroica de Zitácuaro. The Zitácuaro volcanic complex itself, located SE of the city, was constructed within the 30-km-wide Las Tres Chicas caldera of Miocene age, which later underwent three post-caldera episodes of intra-caldera lava dome resurgence and included the intrusion of dacitic central lava domes, the emplacement of pyroclastic flows, and the eruption of andesitic lava flows. The youngest dated activity at the complex produced La Dieta airfall deposit about 31,000 years ago, and persistent local seismicity continues at Zitácuaro. The Valle de Bravo area to the south contains dominantly andesitic lava domes and flows, many of which were erupted along regional faults. The youngest flows were erupted at the bottom of a fault-controlled canyon; the most recent of these, west of the Valle de Bravo lake, has been Ar-Ar dated at about 5,200 +/- 2,300 years, and morphology suggests a Holocene age for other cones.
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Eruption Data from the Global Volcanism Program of the Smithsonian Institution
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Emissions Data from the Global Volcanism Program of the Smithsonian Institution
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Data from the Earthchem Library
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Data from the Earthchem Portal
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Data from the SESAR Database
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Data from the MaGa Database
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Data from UNAVCO
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Data from USIEI
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Data from IRIS FDSNWS
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