Geologic Background:
Historic Activity:
- There are poorly documented records of minor
historical eruptive activity, but, vigorous steam plumes
from its summit crater are common. The very active
fumarole field and the large post-glacial lava flow
suggest recent activity.
Recent Activity:
- On March 15, 1995 steam plumes were reported rising
600-900 m over the general vicinity of Mount Martin
volcano in Katmai N.P.
Data Sources:
- Smithsonian's Global Volcanism Network (V. 20, No.
3).
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