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Edgecumbe

Photo of this volcano
  • United States
  • Alaska
  • Stratovolcano(es)
  • 2220 BCE
  • Country
  • Volcanic Region
  • Primary Volcano Type
  • Last Known Eruption
  • 57.05°N
  • 135.75°W

  • 970 m
    3182 ft

  • 315040
  • Latitude
  • Longitude

  • Summit
    Elevation

  • Volcano
    Number

The Global Volcanism Program has no activity reports for Edgecumbe.

The Global Volcanism Program has no Weekly Reports available for Edgecumbe.

The Global Volcanism Program has no Bulletin Reports available for Edgecumbe.

This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.

Eruptive History

There is data available for 3 Holocene eruptive periods.

Start Date Stop Date Eruption Certainty VEI Evidence Activity Area or Unit
2220 BCE ± 100 years Unknown Confirmed   Radiocarbon (uncorrected)
3810 BCE ± 75 years Unknown Confirmed   Radiocarbon (uncorrected)
7220 BCE ± 150 years Unknown Confirmed   Radiocarbon (uncorrected)
Deformation History

There is no Deformation History data available for Edgecumbe.

Emission History

There is no Emissions History data available for Edgecumbe.

Photo Gallery

The Pleistocene-to-Holocene Mount Edgecumbe volcanic field covers about 260 km2 of Kruzov Island west of Sitka in the SE panhandle of Alaska. This aerial view shows oxidized scoria of the Edgecumbe volcano in the foreground. Crater Ridge in the background contains a 1.6-km-wide, 240-m deep caldera. And rhyolite domes (top right) The youngest eruptions from Mount Edgecumbe, the largest feature in the Edgecumbe field, are about 4,000 years old.

Photo by Jim Riehle (U.S. Geological Survey, Alaska Volcano Observatory).
See title for photo information.
GVP Map Holdings

The maps shown below have been scanned from the GVP map archives and include the volcano on this page. Clicking on the small images will load the full 300 dpi map. Very small-scale maps (such as world maps) are not included. The maps database originated over 30 years ago, but was only recently updated and connected to our main database. We welcome users to tell us if they see incorrect information or other problems with the maps; please use the Contact GVP link at the bottom of the page to send us email.


Title: Canada, United States
Publisher: DMA Aerospace Center
Country: United States, Canada
Year: 1989
Series: ONC
Map Type: Topographic
Scale: 1:1,000,000
Map of Canada, United States

Title: Jet Navigation Chart AK/ Canada
Publisher: DMA Aerospace Center
Country: United States, Canada
Year: 1983
Series: JNC
Map Type: Navigation
Scale: 1:2,000,000
Map of Jet Navigation Chart AK/ Canada

Title: British Columbia Geol Highway Map (4)
Publisher: Ministry of Energy, Mines & Petroleum Resources
Country: Canada
Year: 1981
Series: BC Geol Maps
Map Type: Geology
Scale: 1:2,500,000
Map of British Columbia Geol Highway Map (4)

Title: Port Alexander
Publisher: US Geological Survey
Country: United States
Year: 1977
Series: AK Topo 250
Map Type: Topographic
Scale: 1:250,000
Map of Port Alexander

Title: Port Alexander (D-4)
Publisher: US Geological Survey
Country: United States
Year: 1977
Series: 63,360 Topo
Map Type: Topographic
Scale: 1:63,360
Map of Port Alexander (D-4)

Title: Sitka (A-4)
Publisher: US Geological Survey
Country: United States
Year: 1975
Series: 63,360 Topo
Map Type: Topographic
Scale: 1:63,360
Map of Sitka (A-4)

Title: Sitka
Publisher: US Geological Survey
Country: United States
Year: 1970
Series: AK Topo 250
Map Type: Topographic
Scale: 1:250,000
Map of Sitka
Smithsonian Sample Collections Database

There are no samples for Edgecumbe in the Smithsonian's NMNH Department of Mineral Sciences Rock and Ore collection.

External Sites