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Kaguyak

Photo of this volcano
  • United States
  • Alaska
  • Lava dome(s)
  • 3850 BCE
  • Country
  • Volcanic Region
  • Primary Volcano Type
  • Last Known Eruption
  • 58.608°N
  • 154.028°W

  • 901 m
    2955 ft

  • 312250
  • Latitude
  • Longitude

  • Summit
    Elevation

  • Volcano
    Number

The Global Volcanism Program has no activity reports for Kaguyak.

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

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

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

Eruptive History

There is data available for 2 Holocene eruptive periods.

Start Date Stop Date Eruption Certainty VEI Evidence Activity Area or Unit
3850 BCE (?) Unknown Confirmed 5 Radiocarbon (uncorrected) Kaguyak caldera
4060 BCE ± 150 years Unknown Confirmed   Radiocarbon (uncorrected)
Deformation History

There is no Deformation History data available for Kaguyak.

Emission History

There is no Emissions History data available for Kaguyak.

Photo Gallery

The small, but spectacular 2.5-km-wide Kaguyak caldera,seen here from the west, is filled by a lake that lies more than 550 m below the caldera rim. A post-caldera lava dome extends into the lake on the SW side and another dome forms a small island in the center of the lake. The caldera is unglaciated and the voluminous caldera-forming deposits have been radiocarbon dated at at 5800 years ago. A large pre-caldera lava dome forms the high point on the east caldera rim. The broad valley of Big River descends to Shelikof Strait at the upper right.

Photo by Chris Nye, 1982 (Alaska Division of Geological and Geophysical Surveys, Alaska Volcano Observatory).
See title for photo information.
Fourpeaked volcano, the 2104-m-high glacier-covered peak at the upper left is one of a group of poorly known volcanoes NE of Katmai National Park. Much of the volcano's surface is hidden beneath Fourpeaked Glacier; the few exposed outcrops are lava flows interlayered with volcanic agglomerate. Rocks near the summit are extensively hydrothermally altered. The age of the volcano is not known. In the foreground is the dramatic young, 2.5-km-wide Kaguyak caldera, filled by a lake and 3 lava domes.

Photo by Chris Nye (Alaska Division of Geological and Geophysical Surveys, Alaska Volcano Observatory).
See title for photo information.
Snow and ice covers the surface of the lake filling Kaguyak caldera in this view from the NW. The caldera was formed during a voluminous eruption about 5800 years ago that produced pyroclastic flows that reached Shelikof Strait. Two lava domes, one large and the other just sticking above the center of the lake were formed some time after the caldera-forming eruption, following formation of a shallow lake.

Photo by Tom Miller, 1998 (U.S. Geological Survey and 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: Kodiak
Publisher: US Department of Commerce, NOAA National Ocean Service
Country: United States
Year: 1987
Series: Sectional Aero Chart
Map Type: Topographic
Scale: 1:500,000
Map of Kodiak
Title: Mt Katmai & Portions of Afognak, Naknek Quads, Geo
Publisher: US Geological Survey
Country: United States
Year: 1987
Series: OFR
Map Type: Geology
Scale: 1:250,000
Map of Mt Katmai & Portions of Afognak, Naknek Quads, Geo
Title: Map Showing Distribution, Composition, and Age of Late Cenozoic Volcanic Craters in Alaska
Publisher: US Geological Survey
Country: United States
Year: 1986
Series: Misc Investigations
Map Type: Geology
Scale: 1:1,000,000
Map of Map Showing Distribution, Composition, and Age of Late Cenozoic Volcanic Craters in Alaska
Title: Map Showing Distribution, Composition, and Age of Late Cenozoic Volcanic Craters in Alaska
Publisher: US Geological Survey
Country: United States
Year: 1986
Series: Misc Investigations
Map Type: Geology
Scale: 1:1,000,000
Map of Map Showing Distribution, Composition, and Age of Late Cenozoic Volcanic Craters in Alaska
Title: Iliamna (#5-1)
Publisher: US Geological Survey
Country: United States
Year: 1985
Series: AK Topo-Bath 250
Map Type: Topographic
Scale: 1:250,000
Map of Iliamna (#5-1)
Title: N Aleutian Basin, Gulf of AK
Publisher: USDI Minerals Management Service
Country: United States
Year: 1984
Series: OCSRM maps
Map Type: Bathymetric
Scale: 1:1,000,000
Map of N Aleutian Basin, Gulf of AK
Title: Mt Katmai, Shelikof Strait
Publisher: US Department of Commerce, NOAA National Ocean Service
Country: United States
Year: 1983
Map Type: Bathymetric
Scale: 1:250,000
Map of Mt Katmai, Shelikof Strait
Title: Afognak (D-6)
Publisher: US Geological Survey
Country: United States
Year: 1983
Series: 63,360 Topo
Map Type: Topographic
Scale: 1:63,360
Map of Afognak (D-6)
Title: Iliamna, Kamishak Bay
Publisher: US Department of Commerce, NOAA National Ocean Service
Country: United States
Year: 1981
Map Type: Bathymetric
Scale: 1:250,000
Map of Iliamna, Kamishak Bay
Title: (1) XSect AK Peninsula-Kodiak-Aleutian Trench
Publisher: GSA
Country: United States
Year: 1979
Series: MC
Map Type: Geology (Cross-Section)
Scale: 1:1,000,000
Map of (1) XSect AK Peninsula-Kodiak-Aleutian Trench
Title: (2) XSect AK Peninsula-Kodiak-Aleutian Trench
Publisher: GSA
Country: United States
Year: 1979
Series: MC
Map Type: Geology (Cross-Section)
Scale: 1:1,000,000
Map of (2) XSect AK Peninsula-Kodiak-Aleutian Trench
Title: Mt Katmai Area, Geol Map & Structure Sections in
Publisher: US Geological Survey
Country: United States
Year: 1959
Series: B
Map Type: Geology
Scale: 1:250,000
Map of Mt Katmai Area, Geol Map & Structure Sections in
Title: Iliamna
Publisher: US Geological Survey
Country: United States
Year: 1957
Series: AK Topo 250
Map Type: Topographic
Scale: 1:250,000
Map of Iliamna
Title: Mt Katmai
Publisher: US Geological Survey
Country: United States
Year: 1951
Series: AK Topo 250
Map Type: Topographic
Scale: 1:250,000
Map of Mt Katmai
Smithsonian Sample Collections Database

The following 9 samples associated with this volcano can be found in the Smithsonian's NMNH Department of Mineral Sciences collections, and may be availble for research (contact the Rock and Ore Collections Manager). Catalog number links will open a window with more information.

Catalog Number Sample Description Lava Source Collection Date
NMNH 117233-65 Tuff -- --
NMNH 117233-66 Pumice -- --
NMNH 117233-67 Dacite -- --
NMNH 117233-68 Tuff -- --
NMNH 117233-69 Tuff -- --
NMNH 117233-70 Pumice -- --
NMNH 117233-71 Pumice -- --
NMNH 117233-72 Pumice -- --
NMNH 117233-73 Pumice -- --
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