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Hayes Volcano description and information


Official Name: Hayes Volcano
Type:Stratovolcano remnant
Most Recent Activity:110
Seismically Monitored: No
Elevation: 9147 ft (2788 m)
Latitude: 61.5991° N
Longitude:152.4182° W
CAVW Number:313050
Pronunciation: Sound file
Nearby towns:Skwentna 47 mi (76 km) NE
Beluga 51 mi (82 km) SE
Tyonek 56 mi (90 km) SE
Susitna 61 mi (99 km) SE
Anchorage 87 mi (141 km) SE
From Wood and Kienle (1990) [1]: "Hayes volcano was discovered in 1975 and is informally named for the adjacent Hayes Glacier. Hayes is almost totally ice-covered. No fumaroles have been observed during site visits in three different years. Little is known of the volcano except that it is the site of catastrophic eruptions that deposited six regional tephra beds to the south, east, and northeast between about 3,500 and 3,800 yr ago. The average volume of each of the six beds is about 2.4 cubic km. The tephra-forming eruptions may have been accompanied by emplacement of a dome, although no such feature has been positively identified. A thin, poorly preserved tephra bed northeast of the vent may be evidence of late Holocene activity subsequent to the catastrophic eruptions."
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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