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Mount Kialagvik

Kialagvik

Estratovolcán · United States · 1677 m

The SE side of a Holocene dome at Kialagvik rises 350 m above a surrounding glacier. It lies at the NE end of a segment of the Alaska Peninsula that includes neighboring Chiginagak and Yantarni volcanoes. Lava flows and overlying block-and-ash-flow deposits are exposed on the SW flank and in a small area on the NE flank.
The SE side of a Holocene dome at Kialagvik rises 350 m above a surrounding glacier. It lies at the NE end of a segment of the Alaska Peninsula that includes neighboring Chiginagak and Yantarni volcanoes. Lava flows and overlying block-and-ash-flow deposits are exposed on the SW flank and in a small area on the NE flank. · Foto: Photo courtesy of Alaska Volcano Observatory, U.S. Geological Survey. · Wikimedia Commons
Tipo
Estratovolcán
País
United States
Región
North America Volcanic Regions / Alaska Peninsula Volcanic Arc
Altitud
1677 m
Coordenadas
57.203, -156.745
Última erupción
Desconocido
Contexto tectónico
Subduction zone / Continental crust (> 25 km)
Forma volcánica
Composite
Roca principal
Andesite / Basaltic Andesite
Resumen geológico

Kialagvik is a small, poorly known glacier-mantled stratovolcano NE of Chiginagak volcano with a Holocene central lava dome and associated pyroclastic-flow deposits (Riehle, in Wood and Kienle 1990). The central dome rises 350 m above an ice field that mantles the upper part of the volcano. Andesitic lava flows and overlying dacitic block-and-ash-flow deposits are exposed broadly on the SW flank and in a small area on the NE flank. No historical activity is known.

Resumen de Wikipedia

Resumen en inglés

Mount Kialagvik is a small, poorly known stratovolcano on the Alaska Peninsula of Alaska, United States, located in the Aleutian Range about 10 miles (16 km) northeast of Mount Chiginagak. It is informally named after the Iñupiaq word for nearby Wide Bay. Kialagvik has not erupted in historic time.

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Enlaces externos

⚠ Solo como referencia. No apto para respuesta ante emergencias.