Crooked River caldera
Crooked River caldera is a volcano in United States. It last erupted in 29.5 million years ago.
- Type
- Caldera, supervolcano
- Last eruption
- 29.5 million years ago
The Crooked River caldera is a large ancient volcano and vent complex that straddles three central Oregon counties. The diameter of the caldera is about . It is notable for the welded tuff present at Gray Butte, Smith Rock, Powell Buttes, Grizzly Mountain and Barnes Butte. The volcano is considered extinct and last erupted about 29.5 Ma.
Details
- Age
- 29.5 Ma
- Type
- Caldera, supervolcano
- Range
- Ochoco Mountains
- Location
- Deschutes, Crook, and Jefferson counties, Oregon, U.S.
- Last Eruption
- 29.5 million years ago
Questions about Crooked River caldera
Where is Crooked River caldera?
Crooked River caldera is in United States.
When did Crooked River caldera last erupt?
Crooked River caldera last erupted in 29.5 million years ago.