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Kialagvik description and information


Type:Stratovolcano with dome
Most Recent Activity:
Seismically Monitored: No
Elevation: 5167 ft (1575 m)
Latitude: 57.2019° N
Longitude:156.7467° W
CAVW Number:312120
Nearby towns:Ugashik 32 mi (52 km) NW
Kanatak 37 mi (59 km) NE
Pilot Point 40 mi (64 km) NW
Port Heiden 73 mi (117 km) SW
Anchorage 368 mi (592 km) NE
From Wood and Kienle (1990) [1]: "Kialagvik volcano is a small (~5 cubic km), poorly known central-vent volcano adjacent to, and in the same arc segment as Chiginagak volcano. The volcano is informally named after the Eskimo word for the adjacent Wide Bay. The published geologic map is at 1:250,000 scale; owing to remoteness and extensive snow and ice cover, little additional work has been done.

"The volcano is constructed partly on and adjacent to older, early Quaternary (?) or Tertiary hypabyssal and extrusive rocks from other vents; consequently, the exact extent of the deposits properly assigned to the Kialagvik vent is uncertain. Probable Kialagvik deposits comprise lava flows of andesitic composition and overlying dacitic block-and-ash flow deposits similar in composition to the Holocene (?) dome. Except for lacking an exposed stratovolcano edifice, Kialagvik has probably been most similar in eruptive style to Yantarni volcano to the southwest."

Volcanoes of North America: United States and Canada, 1990
Wood, C. A., and Kienle, Juergen, (eds.), 1990, Volcanoes of North America: United States and Canada: New York, Cambridge University Press, 354 p.

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Page modified: September 29, 2020 12:19
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