Small red cinder cone erupted on top of Mammoth Crest, viewed from ...
By Volcano Hazards Program
1995 (approx.)
Detailed Description
The red basaltic cone was erupted on top of Mammoth Crest, and an accompanying lava flow spilled 200-300 m down the steep slope below the cone. The cone erupted between 126,000 and 64,000 years ago.
Sources/Usage
Public Domain.