Event Name : Redoubt 2009/3. . The 2009 eruption of Redoubt Volcano, Alaska, incorporated water from the surface (in this case, a glacier), which is a common occurrence during explosive volcanism worldwide. GOES-11 10.7 µm IR images (above) showed a few of the volcanic eruption clouds, which exhibited IR brightness temperature values of -50 to -58º C (yellow to red colors). Magma-ice contact features are common. When Redoubt Volcano erupted in March 2009, the effects of the volcanic activity were obvious -- plumes reaching up to 62,000 feet spread ash around a good portion of southern Alaska, and even . An eruption occurred at Redoubt Volcano on 22nd March 2009, with ash emission to 50,000 ft above sea level. The most recent eruption of Redoubt in March 2009 was highly explosive and produced ash plumes, pyroclastic flows, and lahars; the ashfalls occurred more than 100 km away from the volcano [Bull and Buurman, 2013].The total volume of the 2009 eruption products was estimated to be between 80 and 120 M m 3 dense rock equivalent [Bull and Buurman, 2013]. Your Review. The 2009 eruption of Redoubt Volcano shares many similarities with eruptions documented most recently at Redoubt in 1966-68 and 1989-90. An ash cloud from the eruption of Redoubt volcano rises above the horizon in Homer, Alaska, Thursday, March 26, 2009. July 16, 2013, 12:53 PM. The volcano about 100 miles southwest of . Four days after its most recent eruption, Alaska's Mount Redoubt erupted again on March 26, 2009. Photographs showing how a scanning electron microscope reveals the shape and type of ash particles erupted from Redoubt Volcano 12 13. Shallow tremors This image, acquired by the Formosat-2 satellite on February 10, 2009, shows some signs of current activity, as well as evidence of past eruptions. These eruptions caused lahars, extensive fllooding . Redoubt Volcano is a 3110-m glaciated stratovolcano located 170 km SW of Anchorage, Alaska, on the W side of Cook Inlet. Alaska's Mount Redoubt Volcano has erupted, spewing ash thousands of feet into the air. Your Name. Redoubt Volcano is a steep-sided cone about 10 km in diameter at its base and with a volume of 30-35 km 3. Our team member Marco Fulle is on location and reports heavy thunderstorms from below the 15 km tall ash plume. Redoubt is a steep-sided stratovolcano located at the northeast end of the Aleutian volcanic arc. Redoubt is about 100 miles southwest of Anchorage in the Lake Clark National Park and Preserve. Magma-ice contact features are common. The first explosion of the 2009 eruption of Redoubt Volcano occurred on March 15, 2009 (UTC) and was followed by a series of magmatic explosive events starting on March 23 (UTC). The eruption has been characterized by powerful ash explosions, with the resulting plumes reaching between 30,000 to 60,000 feet above sea level. With the research, the scientists hope to better predict the behavior of future volcanic . From March 23-April 4 2009, satellites imaged at least 19 separate explosive events that sent ash clouds up to 18 km above sea level (ASL) that dispersed ash across . Built above the Aleutian subduction zone over the last 890,000 years, Redoubt is now heavily glaciated and boasts an ice-filled summit crater. In addition, a point digital . Residents living in the area around Mount Redoubt, having previously been through an eruption, are taking it all in stride. On a clear, sunny day, you will be agog. |. Redoubt in Alaska. Redoubt Volcano is a 3110-m glaciated stratovolcano located 170 km SW of Anchorage, Alaska, on the W side of Cook Inlet. The eruption had severe impact on many operations. References & Resources. As hot gases and lava erupt from the volcano, the . Mount Redoubt towers 9000 feet it is really called Redoubt volcano. On January 25, 2009, the Alaska Volcano Observatory warned that Redoubt may erupt within "hours or days. With its craggy mass and conic shape, Redoubt looms over the western horizon on the other side of Cook Inlet from the mouth of the Kenai River. The study of tremors in the lead up to the 2009 eruption of Redoubt, a volcano in Alaska, appears in Journal of Volcanology and Geothermal Research. REDOUBT VOLCANO Mt. Redoubt is a 3,108-meter (10,197 ft) stratovolcano located at 60.4852°N and 152.7438°W in the Chigmit Mountains of Alaska. The Alaska Volcano Observatory reported that the eruption also sent a lahar, a flood of rock and water, into the Drift River Valley.. The Redoubt volcano has a Plinian eruption that means it empty's all the lava, clouds of ash, and gas. The 2009 eruption of Redoubt Volcano included 19 major tephra-producing explosions. An eruption plume rises above Mount Redoubt volcano, 50 miles across Cook Inlet from Kenai, Alaska, on Saturday, April 4, 2009. How many people died in the 2009 mount redoubt eruption? The 10,200-foot Redoubt Volcano, roughly 100 miles southwest of Anchorage, last erupted during a four-month period from 1989-90. If the Redoubt Volcano erupts, it likely won't take Best Viewing Spots Kenai Area. AVO/USGS The U.S. Geological Survey's Alaska Volcano Observatory finally released a batch of photos from of Mount Redoubt Volcano, which has erupted explosively six times since Sunday evening. On January 28, 2009, the AVO released an information statement stating that an eruption similar to its 1989/1990 event is the most likely scenario. Redoubt Volcano, an ice-covered stratovolcano on the west side of Cook Inlet, erupted in March 2009 after several months of escalating unrest. The eruption Thursday morning sent an ash cloud 65,000 feet above sea level . Observations from C . Yellowstone National Park drew geologists' attention early this year with a long swarm of small earthquakes. Earthquakes, steam and speculation were the order of the day. Redoubt wasn't finished, either; in 2009, Redoubt erupted again, prompting flight cancellations and a slight ashfall in Anchorage. Redoubt's 3,108-meter (10,197 . People also asked. The 2009 Mount Redoubt eruptions provided an opportune case for the NWS to examine the effectiveness of its operational products and procedures with respect to . Starting on March 22, a series of major eruptions have taken place from Mt. Small amounts of ash fell at Skwentna, Talkeetna, Wasilla, and Trapper Creek. Footage of the 2009 eruption event at Redoubt Volcano in Alaska. This dataset contains the vector digital shapefiles of the ash fall contours for the explosive events. Mount Redoubt erupted five times in one night, beginning on March 22, 2009. Early explosive products are low-silica andesites (LSA, < 58 wt.% SiO2) that ascended from deeper crustal levels during or before the 6 months of precursory activity, but a broad subsequent succession to . View from the east. Description: From Schaefer (ed), 2012: "Redoubt Volcano, an ice-covered stratovolcano on the west side of Cook Inlet, erupted in March 2009 after several months of escalating unrest. But don't expect anything on the scale of the Mount St. Helen's eruption back in 1980. Rating. The Redoubt eruption killed 57 people. Photo of lightning from Redoubt Volcano during its 11:20 p.m. eruption on March 27, 2009. This -153˚00' -152˚48' -152˚36' -152˚24' -152˚12' event marked the first in a sequence of powerful explosions (events Fig. Another eruption in 2009 also sent lahars down the Drift River. The 2009 eruption of Redoubt volcano began March 15th, 2009 with a steam explosion. In addition, a point digital . The eruption Thursday morning sent an ash cloud 65,000 feet above sea level . A series of ash eruptions continued into . Notably, the radiant temperature began increasing approximately one year earlier than the onset of other warning signs. The 2009 eruption of Redoubt Volcano shares many similarities with eruptions documented most recently at Redoubt in 1966-68 and 1989-90. it caused floods from melting glaceirs, and the plume . AVO is raising the aviation color code to Red and the alert level to Warning. This eruptive cycle removed about 6 × 107 m3 of glacier ice from the upper part of Drift Glacier and . the most latest erupting volcano was mount redoubt which erupted on march 22nd 2009 What damage was caused by the 2009 Mount Redoubt eruption? A large lahar occurred in the Drift River Valley and contained ice . The eruption is being closely monitored by USGS staff from the Alaska Volcano Observatory (AVO). The previous eruption of Redoubt that began on 14 December 1989 (SEAN 14:11) lasted until June 1990.On 15 March 2009, an eruption again occurred, after changes in gas emissions, seismicity, and heat output were noted during the previous 8 months (BGVN 33:11).As background, in late July 2008, Alaska Volcano Observatory (AVO) crews working near the summit smelled hydrogen sulfide (H 2 S) gas. This image, taken by the Landsat satellite on August 16, 2000, illustrates some of the potential hazards associated with an eruption. Subterranean magma plumbing systems sit beneath volcanoes and feed pressurised . AVO is raising the aviation color code to Red and the alert level to Warning. Next Event. Webcam images are now clear and show no change in the volcano. But underground, there was even more activity. From their rapidly succeeding reports: "An eruption of Mt Redoubt began at approximately 22:38 AKDT, March 22, 2009 (0638 UTC). An ash cloud from the eruption of Redoubt volcano rises above the horizon in Homer, Alaska, Thursday, March 26, 2009. April 14, 2009--Lightning, which often accompanies large eruptions, illuminates a giant ash cloud from Alaska's Redoubt Volcano, southwest of Anchorage, in a March 28 picture by an amateur astronomer. The edifice comprises a <1500-m-thick sequence of mid-Pleistocene to recent, basaltic to dacitic pyroclastic-, block-and-ash- and lava-flow deposits built on Jurassic tonalite. Aircraft. The 2009 eruption of Redoubt Volcano included 19 major tephra-producing explosions. The 2009 eruption of Redoubt Volcano shares many similarities with eruptions documented most recently at Redoubt in 1966-68 and 1989-90. In this type of eruption, the lava moves faster than a speeding car. Form and Structure. Seismicity is dominated by small discrete earthquakes and tremor remains at the diminished levels of the past two days. Mass per unit area (MPUA) ash fall sampling of the resulting deposits allowed us to create isomass contours of the ash fall. Redoubt Volcano on March 31, 2009. And now a volcano in Lake Clark National Park and Preserve seems to be waking up, with geologists saying an eruption is imminent. Images. This photo provided by the Alaska Volcano Observatory shows Redoubt Volcano as seen from between Kenai and Nilnilchik, Alaska erupting on March 28, 2009. Redoubt is one of the easternmost stratovolcanoes in the Aleutian arc. Reviews; Write a review. Even in late summer, the volcano was covered in snow. Its last eruption was in 2009. Augustine volcano in Cook Inlet 1976 and 1986 eruptions of Mount . Redoubt volcano is one of the most dangerous volcanoes in Alaska. UPDATE 14:20 PM Pacific 1/30/2009: AVO is reporting "Seismicity at Redoubt has increased markedly over the last 20 minutes. Photo by Brentwood Higman. The Mat-Su Valley, Anchorage, Valdez and large portions of the . . Footage of the 2009 eruption event at Redoubt Volcano in Alaska. Stanford geophysicists listened in on the 2009 eruption of the Redoubt Volcano outside Anchorage, Alaska. Map of the Redoubt seismic network that was operational during the 2009 9-18) that produced finer-grained ash deposits than the March eruption. In a study published in Nature . Viewing the volcano from the seashore maximizes its impact. "On March 22, 2009, Mount Redoubt volcano, 106 miles southwest of Anchorage, Alaska, began a series of eruptions after persisting in Orange or "Watch" status since late January 2009. . Between March 22nd and April 4th, Redoubt produced multiple significant explosions that sent ash and gas clouds to as high as 65,000 feet above sea level. It was the Redoubt wait that dominated the volcano news during February. The eruption is being closely monitored by USGS staff from the Alaska Volcano Observatory (AVO). National Oceanic and Atmospheric Administration satellite of Redoubt Volcano in eruption, December 16, 1989 10 12. Schaefer, J (2012) "THE 2009 ERUPTION OF REDOUBT VOLCANO, ALASKA", US Geological Survey Report of Investigations 2011-5. Mount Redoubt, a volcano located west of Cook Inlet in Alaska, erupted from 1966 to 1968. Plume heights were observed at or above 60,000 feet during two of the six significant eruptions. . The edifice comprises a <1500-m-thick sequence of mid-Pleistocene to recent, basaltic to dacitic pyroclastic-, block-and-ash- and lava-flow deposits built on Jurassic tonalite. It is potentially one of the most dangerous volcanoes in Alaska. A dissected earlier cone underlies the E flank of . Mount Redoubt, for example, had an increase of 0.85 degrees Fahrenheit, plus or minus 0.31 degrees (0.47 degrees Celsius, plus or minus 0.17), from mid-2006 to its major eruption of March 2009. Redoubt erupted explosively about 20 times in the first seven days of activity. In sum, the 2009 eruption of Redoubt Volcano disrupted air traffic and petroleum production in Cook Inlet which proved costly to the state and private industries, and ashfall caused damage and inconvenienced communities. The 2009 eruption of Redoubt caused aviation impacts to Alaska and the Pacific Northwest, ranging from flight cancellations, airport closure, and visual flight rules flying, impact to local commerce in Anchorage and the Kenai Peninsula, and impacts to the Drift River Oil Terminal operations in Cook Inlet. Forum; FAQ; Calendar; Community. . The biggest exceeded 65,000 feet in height. There have been eruptions in 1902, 1966, 1989-1990 and most recently in 2009. Special thanks to AVO, Dr Jake, ERA helicopters. Between 10:38pm on March 22 and 1:39am Alaska time on March 23, the USGS recorded . February 24, 2009 at 1:42 pm e […] At the Eruptions blog, Erik Klemetti has written a well-balanced piece on the Chaitén . Alaska's Mount Redoubt volcano let out a 'scream' before erupting in 2009, a set of studies that looked at the sound signals created by the movement of magma under the volcano found. From their rapidly succeeding reports: "An eruption of Mt Redoubt began at approximately 22:38 AKDT, March 22, 2009 (0638 UTC). Fumarolic activity on the north side of the volcano is associated with the most recent unrest at Redoubt Volcano. Remember Me? Photograph by C. Neal, U.S. Geological Survey, August 13, 1990. Redout volcano (Alaska), activity update: plinian to subplinian eruption on April 4th, 2009 After about a week of weak activity, Redoubt exploded again on April 4th. USGS. "The 2009 eruption of Redoubt Volcano, which began on March 22 at 22:38 AKDT (6:38 UTC March 23), continues. A volcanic eruption poses an especially large Initial Notification: Redoubt Volcano, intermittently active since January and approximately 100 nm SW of Anchorage on the west side of Cook Inlet, resumed its activity late Sunday night and early Monday morning, March 22 & 23, with five explosive eruptions. . What's New? In 1915, Vulcanian eruptions occurred at the Lassen volcanic center in Lassen Volcanic National Park. In response, the National Weather Service issued a series of ash fall advisories. The 2009 eruption of Alaska's Redoubt volcano. More than a dozen eruptions as high as 60,000 have followed the first week alone. Redoubt Volcano, an ice-covered stratovolcano on the west side of Cook Inlet, erupted in March 2009 after several months of escalating unrest. The eruption of Mount Redoubt, Alaska, in 2009. was characterized by a number of volcanic explosions that ocurred over several days. This dataset contains the vector digital shapefiles of the ash fall contours for the explosive events. The volcano followed up with more eruptions in April, and showed continued signs of unrest in early May. Crystal-rich andesites that erupted from Redoubt Volcano in 2009 range from 57.5 to 62.5 wt.% SiO 2 and have phenocryst and phenocryst-melt relations consistent with staging in the upper crust. So, the wait goes on. Based on past activity at Redoubt, the Alaska Volcano Observatory expected a small to moderate eruption. Monday, April 6, 2009. The volcano produced five explosive eruptions, each lasting from four to thirty minutes. The 1989-90 eruption lasted 5 months and produced an estimated DRE volume of 150-250 M m 3. Posted: Mar 23, 2009 5:35 AM ET | Last Updated: March 23, 2009. by Megan Gannon, News Editor . A dissected earlier cone underlies the E flank of . Photograph by Kristi Wallace, January 30, 2009. March 15, 2009 eruption Another eruption sent an ash cloud into the air 65,000 feet on the morning of March 15, 2009. Cook Inlet, Alaska. An eruption of Redoubt has major implications for the city of Anchorage, Alaska, which is situated 110 kilometers to the east-northeast. Mount Redoubt, an active volcano west of Anchorage, Alaska, has erupted, according to the USGS Volcano Center . In each case, the eruptive phase lasted several months, consisted of multiple ashproducing explosions, produced . The previous eruption of Redoubt that began on 14 December 1989 (SEAN 14:11) lasted until June 1990.On 15 March 2009, an eruption again occurred, after changes in gas emissions, seismicity, and heat output were noted during the previous 8 months (BGVN 33:11).As background, in late July 2008, Alaska Volcano Observatory (AVO) crews working near the summit smelled hydrogen sulfide (H 2 S) gas. Redoubt volcano with minor ash eruption. Redoubt Volcano in Lake Clark National Park and Preserve experienced Vulcanian eruptions in March 2009. The volcano sent a plume of ash at least 65,000 feet above sea level, said the National Weather Service. In each case, the eruptive phase lasted several months, consisted of multiple ash-producing explosions, produced andesitic lava and tephra, removed signifi cant amounts of ice Mount Redoubt's last eruption was on March 22, 2009 and it had a limited effect on the large city and their suburbs. advertisement. The Mt. Photograph taken during observation and gas data collection flight by AVO staff March 30, 2009. . Sarychev Peak erupting in June 2009. The volcano, 106 miles southwest of Anchorage, erupted explosively on March 22, 2009, at . The 10,197-foot mountain had another explosive eruption at 6 a.m . In its last eruption, Redoubt sent ash 150 miles away into the path . Duration-amplitude relationships of volcanic tremor and earthquake swarms preceding and during the 2009 eruption of Redoubt Volcano, Alaska By Stephen McNutt Near real-time monitoring of the April-May 2010 Eyjafjallajökull ash cloud: an example of a web-based, satellite data-driven, reporting system The 9000 foot stratovolcano is 110 miles southeast of Anchorage and poses a threat to air traffic from ash clouds. I wonder who will get the first interview when the volcano (see above photo, thanks to Brandon Browne at Cal State Fullerton) decided to erupt (if it does erupt at all).