Geologic map of Newberry Volcano, Deschutes, Klamath, and Lake counties, Oregon
IMAP
2455
Volcano Science Center, Cascades Volcano Observatory
By: N. S. MacLeod, D. R. Sherrod, L.A. Chitwood, and R.A. Jensen
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Abstract
Newberry volcano, one of the largest Quaternary volcanoes in the conterminous United States, is a broad shieldlike landform with a summit caldera 7 km across. It comprises the products of thousands of eruptions, at least 25 of which occurred during the last 10,000 years (Holocene Epoch). Eruptions have occurred as recently as 1,300 years ago, but isotopic ages indicate that the volcano began its growth as early as 0.6 million years ago. Thus, its long history and recent activity indicate that Newberry volcano is likely to erupt in the future.
Suggested Citation
MacLeod, N.S., Sherrod, D.R., Chitwood, L., Jensen, R., 1995, Geologic map of Newberry Volcano, Deschutes, Klamath, and Lake counties, Oregon: U.S. Geological Survey IMAP 2455, Report: 23 p.; 2 Plates, https://doi.org/10.3133/i2455.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Geologic map of Newberry Volcano, Deschutes, Klamath, and Lake counties, Oregon |
| Series title | IMAP |
| Series number | 2455 |
| DOI | 10.3133/i2455 |
| Year Published | 1995 |
| Language | English |
| Publisher | U.S Geological Survey |
| Publisher location | Reston, VA |
| Contributing office(s) | Cascades Volcano Observatory, Volcano Hazards Program, Volcano Science Center |
| Description | Report: 23 p.; 2 Plates |
| Country | United States |
| State | Oregon |
| Scale | 24000 |
| Online Only (Y/N) | Y |
| Additional Online Files (Y/N) | Y |