Hoodoo Mountain

Photo of this volcano
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  • Country
  • Volcanic Region
  • Primary Volcano Type
  • Last Known Eruption
  • 56.78°N
  • 131.28°W

  • 1850 m
    6068 ft

  • 320080
  • Latitude
  • Longitude

  • Summit

  • Volcano

The Global Volcanism Program has no activity reports for Hoodoo Mountain.

The Global Volcanism Program has no Weekly Reports available for Hoodoo Mountain.

The Global Volcanism Program has no Bulletin Reports available for Hoodoo Mountain.

Basic Data

Volcano Number

Last Known Eruption



7050 BCE

1850 m / 6068 ft


Volcano Types

Pyroclastic cone(s)

Rock Types

Trachyte / Trachyandesite
Basalt / Picro-Basalt

Tectonic Setting

Continental crust (> 25 km)


Within 5 km
Within 10 km
Within 30 km
Within 100 km

Geological Summary

Hoodoo Mountain is a flat-topped Pleistocene-to-Holocene volcano in the Boundary Ranges of NW British Columbia near the Alaska border that is composed of both subglacial and subaerial volcanic products. Valley glaciers surround the volcano on all except the south side. The Pleistocene Little Bear Mountain basaltic tuya adjoins Hoodoo Mountain on the immediate north. Most of the volcano formed beneath glacial ice; all flank flows appear to have originated from beneath the current 4-km-wide summit icecap. More than 90% of the volcano, which dates back to at least 100,000 years, consists of interlayered peralkaline phonolitic and trachytic lava flows and hyaloclastites. At least one subaerial explosive eruption produced a welded and unwelded ignimbrite sequence on the north side. The most recent stage of volcanic activity produced subaerial unglaciated lava flows with well-preserved lava channels that originated from summit and flank vents about 9000 years ago.


The following references have all been used during the compilation of data for this volcano, it is not a comprehensive bibliography.

Edwards B R, Edwards G, Russell J K, 1995. Revised stratigraphy for the Hoodoo Mountain volcanic centre, northwestern British Columbia. Geol Surv Can, Current Res. 1995-A: 105-115.

Edwards B R, Russell J K, 1994. Preliminary stratigraphy of Hoodoo Mountain volcanic centre, northwestern British Columbia. Geol Surv Can Pap, 94-1A: 69-76.

Edwards B R, Russell J K, Anderson R G, 2002. Subglacial, phonolitic volcanism at Hoodoo Mountain volcano, northern Canadian Cordillera. Bull Volc, 64: 254-272.

Hickson C J, Edwards B R, 2001. Volcanoes and Volcanic Hazards in Canada. In; Brooks G R (ed) {A Synthesis of Geological Hazards in Canada}, Geol Surv Can Bull, 548: 1-248.

Hickson C J, Soos A, Wright R, 1994. Catalogue of Canadian volcanoes. Geol Surv Canada Open-File Rpt.

IAVCEI, 1973-80. Post-Miocene Volcanoes of the World. IAVCEI Data Sheets, Rome: Internatl Assoc Volc Chemistry Earth's Interior..

Kerr F A, 1948. Lower Stikine and western Iskut River areas, British Columbia. Geol Surv Can Mem, 246: 1-94.

Wood C A, Kienle J (eds), 1990. Volcanoes of North America. Cambridge, England: Cambridge Univ Press, 354 p.

Eruptive History

Summary of Holocene eruption dates and Volcanic Explosivity Indices (VEI).

Start Date Stop Date Eruption Certainty VEI Evidence Activity Area or Unit
7050 BCE (?) Unknown Confirmed 0 Tephrochronology

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.


Feature Name Feature Type Elevation Latitude Longitude
Little Bear Mountain Tuya 1180 m 56° 48' 0" N 131° 12' 0" W

Photo Gallery

Hoodoo Mountain, as seen from the SE across the Iskut River in northwestern British Columbia, is a flat-topped stratovolcano. It has an ice cap 3 km in diameter and has had several periods of subglacial eruptions. Most of the volcanic deposits at Hoodoo Mountain are lava flows. The oldest eruptions of the volcano occurred about 100,000 years ago and the most recent eruptions about 9000 years ago. Hoodoo Mountain volcanic complex is one of the largest peralkaline volcanoes in the northern Cordilleran volcanic province.

Photo by Ben Edwards, 1994 (Dickinson College, Pennsylvania).

Smithsonian Sample Collections Database

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

Affiliated Sites

Large Eruptions of Hoodoo Mountain Information about large Quaternary eruptions (VEI >= 4) is cataloged in the Large Magnitude Explosive Volcanic Eruptions (LaMEVE) database of the Volcano Global Risk Identification and Analysis Project (VOGRIPA).
WOVOdat WOVOdat is a database of volcanic unrest; instrumentally and visually recorded changes in seismicity, ground deformation, gas emission, and other parameters from their normal baselines. It is sponsored by the World Organization of Volcano Observatories (WOVO) and presently hosted at the Earth Observatory of Singapore.
EarthChem EarthChem develops and maintains databases, software, and services that support the preservation, discovery, access and analysis of geochemical data, and facilitate their integration with the broad array of other available earth science parameters. EarthChem is operated by a joint team of disciplinary scientists, data scientists, data managers and information technology developers who are part of the NSF-funded data facility Integrated Earth Data Applications (IEDA). IEDA is a collaborative effort of EarthChem and the Marine Geoscience Data System (MGDS).
MODVOLC - HIGP MODIS Thermal Alert System Using infrared satellite Moderate Resolution Imaging Spectroradiometer (MODIS) data, scientists at the Hawai'i Institute of Geophysics and Planetology, University of Hawai'i, developed an automated system called MODVOLC to map thermal hot-spots in near real time. For each MODIS image, the algorithm automatically scans each 1 km pixel within it to check for high-temperature hot-spots. When one is found the date, time, location, and intensity are recorded. MODIS looks at every square km of the Earth every 48 hours, once during the day and once during the night, and the presence of two MODIS sensors in space allows at least four hot-spot observations every two days. Each day updated global maps are compiled to display the locations of all hot spots detected in the previous 24 hours. There is a drop-down list with volcano names which allow users to 'zoom-in' and examine the distribution of hot-spots at a variety of spatial scales.
MIROVA Middle InfraRed Observation of Volcanic Activity (MIROVA) is a near real time volcanic hot-spot detection system based on the analysis of MODIS (Moderate Resolution Imaging Spectroradiometer) data. In particular, MIROVA uses the Middle InfraRed Radiation (MIR), measured over target volcanoes, in order to detect, locate and measure the heat radiation sourced from volcanic activity.