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Duncan Canal

Photo of this volcano
  • United States
  • Alaska
  • Volcanic field
  • Unknown - Evidence Credible
  • Country
  • Volcanic Region
  • Primary Volcano Type
  • Last Known Eruption
  • 56.5°N
  • 133.1°W

  • 15 m
    49 ft

  • 315050
  • Latitude
  • Longitude

  • Summit

  • Volcano

The Global Volcanism Program has no activity reports for Duncan Canal.

The Global Volcanism Program has no Weekly Reports available for Duncan Canal.

The Global Volcanism Program has no Bulletin Reports available for Duncan Canal.

The Global Volcanism Program has no synonyms or subfeatures listed for Duncan Canal.

Eruptive History

The Global Volcanism Program is not aware of any Holocene eruptions from Duncan Canal. If this volcano has had large eruptions (VEI >= 4) prior to 10,000 years ago, information might be found on the Duncan Canal page in the LaMEVE (Large Magnitude Explosive Volcanic Eruptions) database, a part of the Volcano Global Risk Identification and Analysis Project (VOGRIPA).

Deformation History

There is no Deformation History data available for Duncan Canal.

Emission History

There is no Emissions History data available for Duncan Canal.

Photo Gallery

The Castle Islands (center) lie within Duncan Canal on Kupreanof Island in SE Alaska, as seen looking NW from the Lindenberg Peninusla. The Castle Islands mostly consist of Tertiary sedimentary and volcanic rocks, but the northernmost island (far right side of the island group) contains Quaternary basalts. Conspicuous fresh-looking pahoehoe and aa lava flows are also found at the south end of Kupreanof Island, where they overlie glacial till.

Photo by Susan Karl (Alaska Volcano Observatory, U S Geological Survey).
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: 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)
Smithsonian Sample Collections Database

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

External Sites