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, December 5, 2021, 1:32 PM AKST (Sunday, December 5, 2021, 22:32 UTC)
GREAT SITKIN VOLCANO (VNUM #311120)
52°4'35" N 176°6'39" W, Summit Elevation 5709 ft (1740 m)
Current Volcano Alert Level: WATCH
Current Aviation Color code: ORANGE

Seismicity remains above background levels. Elevated surface temperatures at the summit were observed in one partly cloudy satellite image over the past day. Other satellite and web camera views of the volcano obscured by clouds and nothing significant noted.

Lava effusion likely continues at a slow rate. It is possible that explosive activity could occur with little or no warning.

Great Sitkin is monitored by local seismic and infrasound sensors, satellite data, web cameras, and remote infrasound and lightning networks.


PAVLOF VOLCANO (VNUM #312030)
55°25'2" N 161°53'37" W, Summit Elevation 8261 ft (2518 m)
Current Volcano Alert Level: WATCH
Current Aviation Color code: ORANGE

Unrest continues at Pavlof Volcano. Seismicity remains elevated and several explosions were detected by infrasound sensors over the past day. A diffuse ash cloud reaching as high as 10,000 feet above sea level and extending several tens of miles beyond the volcano was evident in web camera images and observed by a passing pilot. Minor ash emissions were also were observed intermittently in clear web camera images throughout the afternoon yesterday, but no ash emissions were observed in clear to partly cloudy satellite views of the volcano over the past day.

Small explosions accompanied by low-level ash emissions could happen at any time, and are typically a hazard in the immediate vicinity of the summit. The level of unrest at Pavlof can change quickly and the progression to more significant eruptive activity can occur with little or no warning.

Pavlof is monitored by local seismic and infrasound sensors, satellite data, web cameras, and remote infrasound and lightning networks.


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

Low-level eruptive activity continues at Semisopochnoi volcano. Seismic activity at the volcano remains elevated but at low-levels over the past day. Several explosions were recorded by infrasound sensors. Clouds have obscured the volcano and nothing was observed in satellite or web camera data over the past day.

Small eruptions producing minor ash deposits within the vicinity of the active north crater of Mount Cerberus and ash clouds usually under 10,000 ft above sea level have characterized the recent activity. Small explosions and associated ash emissions may continue and could be difficult to detect, especially when thick cloud cover obscures the volcano.

Semisopochnoi is monitored by local seismic and infrasound sensors, satellite data, web cameras, and remote infrasound and lightning networks.




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


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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