Mount Douglas (Alaska)
Mount Douglas | |
---|---|
Highest point | |
Elevation | 7,021 ft (2,140 m) |
Prominence | 6,300 ft (1,900 m) |
Listing | |
Coordinates | 58°51′36″N 153°31′59″W / 58.86000°N 153.53306°W |
Geography | |
Location | Katmai National Park and Preserve, Alaska, U.S. |
Parent range | Aleutian Range |
Topo map | USGS Afognak D-5 |
Geology | |
Mountain type | Stratovolcano |
Volcanic arc/belt | Aleutian Arc |
Last eruption | Holocene |
Mount Douglas is a
Level of Concern Color Code
Not Assigned.
The volcano has a warm and highly acidic crater lake approximately 160 m (525 ft) wide. In 1982, the lake had a temperature of 21 °C and a pH of 1, and temperatures of 114-118°C were measured in 1991. At the north flank of the volcano unglaciated and relatively uneroded lava flows are found. The last eruption is not known, but probably occurred during the Holocene.[1]
See also
- List of mountain peaks of North America
- List of Ultras of the United States
- List of volcanoes in the United States