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Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Andahua-Orcopampa
The cinder cones at the center and upper right, surrounded by a prominent field of lava flows, are located in the Andahua valley, known locally as the "Valley of the Volcanoes." The large 60 x 60 km scoria cone and lava field contains extremely youthful lava flows, some of which may be only a few hundred years old. The volcanic field was reported to have been active during the time of the Incas. Lava flows have repeatedly dammed the Río Andagua valley, and an existing small lake was impounded by the youngest lavas. Photo by Norm Banks, 1988 (U.S. Geological Survey).
Volcano Number:
354004
Volcano Name:
Andahua-Orcopampa
Country:
Peru
Volcano Type:
Volcanic field
Last Eruption:
1490 CE
Elevation:
4713m
Tectonic Setting:
Subduction zone / Continental crust (> 25 km)
Pop. within 5km:
10317
Pop. within 10km:
10317
Pop. within 30km:
16541
Pop. within 100km:
171897
Latitude:
-15.42
Longitude:
-72.33
Details
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The Andahua-Orcopampa volcanic field in the Andahua (or Andagua) valley area, 20 km ENE of Nevados de Coropuna, is a large 60 x 60 km scoria cone and lava field. Known locally as the "Valley of the Volcanoes," the field lies in a series of deep NNW-SSE-trending, en-echelon valleys: Orcopampa, Andahua, and Ayo. The field contains youthful dominantly trachyandesitic cinder cones and lava flows that have destroyed buildings and may be only a few hundred years old. The area was reported to have been active during the time of the Incas and to have "become active again" in 1913. Lava flows have repeatedly dammed the Río Andagua valley, and an existing small lake was impounded by the youngest lavas.
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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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