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The Most Powerful Eruption of the 20th Century
June 5, 2013 | Geology.com

The most powerful volcanic eruption of the 20th Century occurred on June 6, 1912. People in Juneau, Alaska heard the noise over one hour after the eruption occurred. For the next forty years the eruption was blamed on the wrong volcano.


  Related Stories

Preparing for a Volcanic Eruption Near Auckland
October 1, 2013 | New Zealand Herald
Although a large volcanic eruption has not occurred in the Auckland Volcanic Field for about 500 years, about 450,000 people might need to be evacuated on short notice if Rangitoto or another volcano in the field threatens a large eruption. The field has produced about 50 large eruptions in the past 250,000 years - but local citizens have a hard time accepting the fact that another large eruption will occur.

Thirty Years of Eruptions at Pu’u ’O’o
January 8, 2013 | NASA Earth Observatory
"Just after midnight on January 3, 1983, a small fissure opened within Napau Crater on Kilauea Volcano, spewing red-hot lava. Within hours, additional fissures stretched 6 kilometers down the volcano’s East Rift Zone. Thirty years later, the Pu’u ’O’o-Kupaianaha eruption continues, making it the longest eruption at Kilauea in recorded history. Since the eruption began in 1983, lava has poured almost continuously from a cluster of vents on the eastern flank." Quoted from the Earth Observatory image release.

Mount St. Helens – 33 Years
May 18, 2013 | USGS
"Mount St. Helens seized the world’s attention in 1980 when the largest historical landslide on Earth and a powerful explosive eruption reshaped the volcano, created its distinctive crater, and dramatically modified the surrounding landscape." Quoted from the USGS Fact Sheet titled.... Mount St. Helens, 1980 to Now—What’s Going On?


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