Executive Committee Range
Mountain range in Antarctica
title: "Executive Committee Range" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["executive-committee-range", "volcanoes-of-marie-byrd-land"] description: "Mountain range in Antarctica" topic_path: "general/executive-committee-range" source: "https://en.wikipedia.org/wiki/Executive_Committee_Range" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::summary Mountain range in Antarctica ::
::data[format=table title="Infobox mountain"]
| Field | Value |
|---|---|
| name | Executive Committee Range |
| photo | Sidley oli 2014324 lrg.jpg |
| photo_caption | 2014 Landsat 8 image of the five mountains in the Executive Committee Range |
| region | Antarctica |
| region_type | Continent |
| district | Marie Byrd Land |
| district_type | Region |
| highest | Mount Sidley |
| elevation_m | 4285 |
| geology | |
| map | Antarctica |
| map_caption | Location in Antarctica |
| range_coordinates | |
| volcanic_field | Marie Byrd Land Volcanic Province |
| :: |
| name=Executive Committee Range | photo=Sidley oli 2014324 lrg.jpg | photo_caption=2014 Landsat 8 image of the five mountains in the Executive Committee Range | region=Antarctica | region_type = Continent | district=Marie Byrd Land | district_type=Region | parent= | border= | highest=Mount Sidley | elevation_m=4285 | elevation_ref= | coordinates = | coordinates_ref= | geology= | period= | orogeny= | map = Antarctica | map_caption = Location in Antarctica | range_coordinates = | range_coordinates_ref = | volcanic_field = Marie Byrd Land Volcanic Province The Executive Committee Range () is a range consisting of five major volcanoes, which trends north-south for 50 nmi along the 126th meridian west, in Marie Byrd Land, Antarctica.
Location
::figure[src="https://upload.wikimedia.org/wikipedia/commons/2/27/C76124s1_Ant.Map_Mount_Hampton.jpg" caption="North of range in southeast of map"] ::
::figure[src="https://upload.wikimedia.org/wikipedia/commons/7/70/C77124s1_Ant.Map_Mount_Sidley.jpg" caption="South of range in north of map"] ::
The Executive Committee Range is south of the eastern end of the Usas Escarpment. The mountains, from north to south, are Mount Hampton, Mount Camming, Mount Hartigan, Mount Sidley and Mount Waeshche. Named features of Mount Hampton include Whitney Peak and Marks Peak. Named features of Mount Cuming include Annexstad Peak, Le Vaux Peak and Woolam Peak. Named features of Mount Hartigan include Lavris Peak, Boudette Peaks, Tusing Peak and Mintz Peak. Named features of Mount Sidley include Feyerharm Knoll, Weiss Amphitheater, Parks Glacier and Doumani Peak. Named features of Mout Waescher include Bennett Saddle and Chang Peak.
Recent and ongoing magmatism
In November 2013, Lough et al. reported deep long period volcanic earthquakes centered at depths of 30-40 km approximately 55 km S of Mount Sidley that were interpreted as indications of present deep crustal magmatic activity beneath the Executive Committee Range. Ice penetrating radar results reported in this study indicated a sub-ice topographic feature, interpreted as a volcano, above the seismic swarms. The study also reported a mid-icecap (1400 m depth) ash layer about 8,000 years old that was interpreted as probably originating at nearby Mount Waesche.
Discovery and name
The complete range was discovered by the United States Antarctic Service Expedition (1939–41), during a flyover of the area on 15 December 1940, and named for the Executive Committee of the Expedition. Four of the five mountains are named in honor of individual members of the committee. Mount Sidley, the most imposing mountain in the range, was discovered and named by Rear Admiral Richard E. Byrd in 1934. The entire range was mapped in detail by the United States Geological Survey (USGS) from surveys and United States Navy trimetrogon photography from 1958 to 1960.
Mount Hampton
::figure[src="https://upload.wikimedia.org/wikipedia/commons/3/3b/HamptonMap.jpg" caption="Topographical map of northern portion of Executive Committee Range"] ::
Main article: Mount Hampton
Whitney Peak
Marks Peak
Mount Cumming
Annexstad Peak
Le Vaux Peak
Woolam Peak
Mount Hartigan
::figure[src="https://upload.wikimedia.org/wikipedia/commons/8/8e/MountSidleyWaescheMap.jpg" caption="Topographic map of southern portion of Executive Committee Range"] ::
Lavris Peak
Boudette Peaks
Tusing Peak
Mintz Peak
Mount Sidley
::figure[src="https://upload.wikimedia.org/wikipedia/commons/b/be/MountSidleyCaldera.jpg" caption="Mount Sidley caldera"] ::
Main article: Mount Sidley
Feyerharm Knoll
Weiss Amphitheater
Parks Glacier
Doumani Peak
Mount Waesche
Main article: Mount Waesche
Bennett Saddle
Chang Peak
References
Sources
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{{citation|url=https://pubs.usgs.gov/fedgov/70039167/report.pdf |accessdate=2023-12-03 |edition=2 |editor-last=Alberts |title=Geographic Names of the Antarctic |editor-first=Fred G. |publisher=United States Board on Geographic Names |year=1995}}
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{{citation |title=Seismic detection of an active subglacial volcanic center in Marie Byrd Land, Antarctica |journal=Nature Geoscience |doi=10.1038/ngeo1992 |year=2013 |last1=Lough |first1=A. |last2=Wiens |first2=D. |last3=Barcheck |first3=C. |last4=Aster |first4=R. |last5=Nyblade |first5=A. |last6=Huerta |first6=A. |last7=Wilson |first7=T.}}
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{{citation |url=https://commons.wikimedia.org/wiki/File:C76124s1_Ant.Map_Mount_Hampton.jpg |accessdate=2024-04-16 |title=Mount Hampton |publisher=USGS: United States Geological Survey |ref= }}
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{{citation |url=https://commons.wikimedia.org/wiki/File:C77124s1_Ant.Map_Mount_Sidley.jpg |accessdate=2024-04-16 |title=Mount Sidley |publisher=USGS: United States Geological Survey |ref= }}
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