Fourpeaked Mountain, Stratovolcano in Katmai National Park, Alaska, United States.
Fourpeaked Mountain is a stratovolcano in Katmai National Park in Alaska. The mountain rises to about 2,500 meters and displays multiple peaks at its summit, with steep slopes falling away in all directions.
The volcano lay dormant for about 10,000 years before awakening in September 2006, when large steam plumes became visible from Homer across Cook Inlet. This marked its first major sign of activity after a long period of rest.
The Alaska Volcano Observatory monitors this mountain through seismic instruments, collecting data about volcanic events for scientific research and safety purposes.
The location is difficult to reach and requires specialized equipment and arranged transportation from Kodiak or surrounding areas. Working with local guides or air services that organize transfers to this remote section of the Aleutian Range is the best approach.
The entire volcanic structure lies buried beneath Fourpeaked Glacier, creating an extraordinary combination of thermal heat beneath permanent ice. Scientists track the heat sources hidden under the ice through remote sensing and seismic monitoring.
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