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NEWS ITEMS
2014
22nd anniversary of Crater Peak (Mt Spurr) June 27 eruption Revised Alaska Interagency Operating Plan for Volcanic Ash Episodes Anniversary of Aniakchak 1931 eruption! April 19th - anniversary of Shishaldin 1999 and Pavlof 1986! Ground-coupled airwaves and explosion signals at Shishaldin 5th anniversary of the Redoubt 2009 eruption Loss of Critical Volcano Monitoring Information in Alaska NEW VOLCANO NUMBERING SYSTEM IMPLEMENTED Loss of Critical Volcano Monitoring Information in Alaska Report released: Geochemical investigations of the hydrothermal system on Akutan Island, July 2012

2013
24th Anniversary of the 1989-90 eruption of Redoubt Volcano Veterans Day slideshow Call for images from active and retired service members! AVO operations during lapse of federal government appropriations New Tool for Reporting Alaska Volcanic Ash Fall Allows Residents to Assist Scientific Monitoring 25 years monitoring Alaska volcanoes - press release

2012
AVO slideshow for Veterans Day Large ash eruptions: when volcanoes reshape valleys -- free public lecture Father Hubbard and the history of exploration in the Valley of Ten Thousand Smokes - free lecture Remote sensing and volcanoes - free public lecture The Great Eruption of 1912 - free public lecture Infrasound Detection of Volcanic Explosions Archaeology of Katmai area and the impact of past eruptions - free public lecture Historical Photography of the Great 1912 Eruption - free public lecture Catastrophic Eruptions and People -- free public lecture Eruption of an Island Volcano: Kasatochi, 2008 -- free public lecture Exploring the Plumbing System of Katmai Volcanoes Exploration of Katmai and the Valley of Ten Thousand Smokes - free public lecture Commemorative presentation in Kodiak: Be Prepared! Earthquakes Below Alaskan Volcanoes - free public lecture DisaStory - A Day of Oral History 1912 Katmai Eruption Children's Program Monitoring Alaska's Volcanoes - free public lecture Landmark volcano study: Katmai Centennial Perspectives free download Special activities on AVO's website for 1912 centennial Alaska Park Science - Volcanoes of Katmai and the Alaska Peninsula AVO at the Alaska Aviation Trade Show and Conference May 5-6 The Great Katmai Eruption of 1912 - a free lecture in Anchorage: April 24, 2012 The Great Katmai Eruption of 1912: A Century of Research Tracks Progress in Volcano Science April 25 -- The Novarupta - Katmai 1912 eruption: a free lecture in Fairbanks by Judy Fierstein Summer lecture series on Alaskan volcanism Poster contest celebrates anniversary of Katmai eruption! Mark your calendar: April 24 public lecture on the great Novarupta-Katmai eruption of 1912 An important volcanic anniversary in Alaska! PUBLISHED: The 2009 Eruption of Redoubt Volcano, Alaska

2011
2011 Alaska Interagency Operating Plan for Volcanic Ash Episodes now available How does Cleveland's lava dome compare to Redoubt's 2009 lava dome? Alaska Volcanoes Guidebook for Teachers

2010
New Fact Sheet on Kasatochi How big is the 2009 Redoubt lava dome?

2009
New map: Historically active volcanoes of Alaska Steaming at Augustine Sarychev Volcano: Active Volcanoes of the Kurile Islands Footage of Alaska's Redoubt Volcano taken on Monday, March 23, 2009. Pre-eruption footage of Redoubt Volcano, Saturday, March 20, 2009 Redoubt Volcano B-Roll Footage

2008
Kasatochi 2008 eruption summary 6th Biennial Workshop on Subduction Processes emphasizing the Kurile-Kamchatka-Aleutian Arcs Geophysical Institute, University of Alaska, Fairbanks, Alaska Chiginagak volcano's acid crater-lake continues to supply acidic, metal-laden water to salmon spawning habitat on the Alaska Peninsula ALASKA VOLCANOES - TEACHER ACTIVITY GUIDEBOOK & KIT 20 years of AVO Viewing earthquake information for Alaska volcanoes

2007
Pavlof webcam added Activity at Pavlof volcano Pavlof thermal anomaly AVO Scientists present at U.S. Department of Education Teacher-to-Teacher Workshop Cleveland webcam available Activity at Cleveland volcano Cleveland satellite images Sheveluch Eruption U.S. Geological Survey's alert notification system for volcanic activity KVERT Volcanic Warnings Ceased

2006
New alert system for volcanic activity Three new webcams added AGU presentations requested New webcam available
24TH ANNIVERSARY OF THE 1989-90 ERUPTION OF REDOUBT VOLCANO
24th Anniversary of the 1989-90 eruption of Redoubt Volcano
Posted: December 14, 2013

Redoubt eruption

On December 14, 1989, as many Alaskans were preparing for the Christmas holidays, Redoubt Volcano began an eruption that would last for six months, be the second most costly eruption in U.S. history, and jump-start the newly created Alaska Volcano Observatory (AVO).

December 15 dawned cold and stormy as Redoubt sent blasts of ash skyward that soon rendezvoused with a Boeing 747 jetliner from Amsterdam carrying 244 passengers and crew on approach to Anchorage International Airport. The ash caused all four engines to shut down, sending the plane into a steep gliding descent of more than 10,000 feet. Fortunately, once clear of the ash, the pilots were able to restart the engines and safely land the plane, thus averting tragedy.

Although AVO had been conceived in April 1988, the observatory was literally born on that memorable morning as scientists scrambled to monitor and assess the ongoing activity, answer the phones, and respond to the instant worldwide media blitz. In addition to wreaking havoc with air traffic, the eruption disrupted Cook Inlet oil storage and production for nearly a year, and caused $160 million in economic turmoil across southcentral Alaska. But the eruption also heralded the beginning of AVO's systematic monitoring of Alaska’s 52 historically active volcanoes, and ushered in a newfound public awareness of volcanic activity and hazards.

Alaska has remained a volcanically active place: in the 24 years since Redoubt's 1989-1990 eruption, AVO has responded to 48 eruptions from 20 different volcanoes. Over the same time period, AVO's monitoring footprint and toolkit has expanded considerably, vastly improving our ability to warn of volcanic activity in Alaska. In addition, AVO staff have worked with the National Weather Service, the Federal Aviation Administration, and other agencies to improve the coordinated government response to eruptions.

For more information about AVO, Redoubt, and all the volcanoes in Alaska, please visit our web site.
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