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Alaska contains 86 active volcanoes. One of the most dangerous volcanoes in the state is Mount Redoubt, which produced two massive eruptions in 1989 and 2009...
Alaska's Mount Redoubt volcano erupted five times overnight, sending an ash plume more than 9 miles into the air in the volcano's first emissions in nearly 2...
Mt. Redoubt volcanic eruption1.The large viewing angle from the MTSAT-1R satellite offered a nice depiction of the initial volcanic eruption plume (below).2....
During the eruption of Mt Redoubt in 2009, several volcanic explosions were preceded by strongly gliding "harmonic tremor" that were captured by seismometers. This sonification of 12 hours of seismic data shows four "screams" in sequence, from March 28, 2009.
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5 Δεκ 2019 · On that December morning 30 years ago, volcanic ash from Mount Redoubt melted inside all four jet engines of that 747. The ash cooled, coating the engines with glass and restricting air flow. The engines responded by shutting down.
Mount Redoubt west of Kenai erupts an ash cloud on April 21, 1990, during the same unrest that launched the fledgling Alaska Volcano Observatory. Photo by Robert Clucas. After eight minutes, two engines coughed to life at 17,500 feet, allowing the pilots to level the aircraft.