Mt. Redoubt Volcano

Mt. Redoubt Volcano - Current Update


Mt. Redoubt Volcano Statistics

  • Redoubt Current: Alert Level NORMAL
  • Redoubt Current: Color Code GREEN
  • Type:  Stratovolcano
  • Seismically Monitored:  Yes
  • Distance:  103 mi (166 km) from Anchorage
  • Elevation:  10197 ft (3108 m)
  • Latitude:  60.4852° N
  • Longitude:  152.7438° W
  • Quadrangle:  Kenai
  • Most Recent Activity:  March 15, 2009
  • CAVW Number:  1103-03-

Mt.Redoubt Volcano Location

Redoubt Volcano Location

Description

From Miller et al (1998): "Redoubt Volcano is a steep-sided cone about 10 km in diameter at its base and with a volume of 30-35 cubic kilometers. The volcano is composed of intercalated pyroclastic deposits and lava flows and rests on Mesozoic granitic rocks of the Alaska-Aleutian Range batholith (Till and others, 1993; 1994). It has been moderately dissected by the action of numerous alpine glaciers. A 1.8-km-wide, ice-filled summit crater is breached on the north side by a northward-flowing glacier, informally known as the Drift Glacier, which spreads into a piedmont lobe in the upper Drift River Valley. The most recently active vent is located on the north side of the crater at the head of the Drift glacier. Holocene lahar deposits in the Crescent River and Drift River valleys extend downstream as far as Cook Inlet."



 Alaska Volcano Observatory Current Update

ALASKA VOLCANO OBSERVATORY DAILY UPDATE
U.S. Geological Survey
Sunday, October 24, 2021, 11:51 AM AKDT (Sunday, October 24, 2021, 19:51 UTC)
SEMISOPOCHNOI VOLCANO (VNUM #311060)
51°55'44" N 179°35'52" E, Summit Elevation 2625 ft (800 m)
Current Volcano Alert Level: WATCH
Current Aviation Color code: ORANGE

Eruptive activity continues at the north crater of Mount Cerberus. Explosions and tremor were detected in seismic and infrasound data over the past day. Low level (

Source: Alaska Volcano Observatory



Mount Redoubt Volcano Cam


This is a static image of Mount Redoubt, The VolcanoCam image automatically updates approximately every two hours.
Volcano image courtesy of ...
Live webcam images of various Alaskan volcanoes
Alaska Volcano Observatory Webcam - Redoubt - DFR

Images of Mount Redoubt
Gallery 1 Gallery 2
Ascending eruption cloud from Redoubt Volcano as viewed to the west from the Kenai Peninsula. The mushroom-shaped plume rose from avalanches of hot debris (pyroclastic flows) that cascaded down the north flank of the volcano. A smaller, white steam plume rises from the summit crater. Photograph by R. Clucas, April 21, 1990.

Picture Date: April 21, 1990
Image Creator: Clucas, R.;
Image courtesy of AVO/USGS.
Ryan Bierma, AVO geologist, stands next to the AVO Redoubt Hut, 7.5 miles north-northwest of Redoubt's summit. Ryan was completing the installing of the Redoubt Hut webcam.

Picture Date: January 27, 2009
Image Creator: Read, Cyrus;
Image courtesy of AVO/USGS.
Photograph of Redoubt volcano steaming at sunset, taken from the Deep Creek boat launch on the Kenai Peninsula, by Dennis Josefczyk.

Picture Date: May 26, 2009 22:30:00 ADT
Image Creator: Josefczyk, Dennis;
Image courtesy of AVO/USGS.
Top vent in the Redoubt summit crater.

Picture Date: March 21, 2009
Image Creator: Read, Cyrus;
Image courtesy of AVO/USGS.
Ash cloud from Redoubt Volcano, December 16, 1989. View is to the southwest. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.

Picture Date: December 16, 1989
Image Creator: Twitchell, Hollis;
Image courtesy of AVO/USGS.
Approximate extent of pyroclastic surge deposits (dashed line) on Ptarmigan Ridge (unofficial name) north of Redoubt Volcano. Arrows indicate flow path down Drift Glacier and up Pitarmigan Ridge. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.

Picture Date: February 15, 1990
Image Creator: Gardner, Cynthia; US Geological Survey;
Image courtesy of AVO/USGS.
Drift Glacier area. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.

Picture Date: August 30, 1984
Image Creator: Post, Austin; US Geological Survey;
Image courtesy of AVO/USGS.
Area likely to be affected by volcanic ash fallout from eruptions similar to the 1989-90 eruption of Redoubt Volcano. Figure from: Waythomas, C. F., Dorava, J. M., Miller, T. P., Neal, C. A., and McGimsey, R. G., 1998, Preliminary volcano-hazard assessment for Redoubt Volcano, Alaska: U.S. Geological Survey Open-File Report OF 98-0857, 40 p.

Picture Date: 1998
Image Creator: Waythomas, Christopher; Dorava, Joseph; Miller, Thomas; Neal, Christina; McGimsey, Robert;
Image courtesy of AVO/USGS.

Augustine volcano (VNUM #313010)
59.3626° N 153.435° W, Summit Elevation 4134 ft (1260 m)
Current Volcano Alert Level: NORMAL
Current Aviation Color Code: GREEN

Augustine - island webcam
webcam image



Information courtesy of ...
U.S. Geological Survey, the University of Alaska Fairbanks Geophysical Institute, and the Alaska Division of Geological and Geophysical Surveys.
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