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Was the eruption of Mount St Helens in 1980 was the greatest explosive eruption in the last two hundred years of world data?
The eruption of Mount St. Helens in 1980 was a significant event, but not the greatest explosive eruption in the last two hundred years. This title is often attributed to the eruption of Krakatoa in 1883, which had a larger impact on a global scale.
Is mount st helens explosive or nonexplosive?
Mount St. Helens is known for its explosive eruptions. In 1980, it erupted violently and produced a massive explosive eruption that caused significant devastation to the surrounding area. Subsequent eruptions have also been explosive in nature.
How much carbon dioxide did the Krakatoa eruption of 1883 emit?
The Krakatoa eruption of 1883 emitted an estimated 6 cubic miles (25 cubic kilometers) of volcanic ash, dust, and sulfuric gases, including carbon dioxide. The exact amount of carbon dioxide specifically emitted is difficult to quantify accurately due to limited historical records and variations in estimating methods.
Mt st helens volcano explosive or effusive?
Mt. St. Helens is known for its explosive eruption in 1980, characterized by ash clouds, pyroclastic flows, and lateral blasts. It is considered one of the most significant volcanic events in U.S. history.
What was unusual about the eruption of Mount st helens?
Most major explosive eruptions eject a large plume of ash straight up. When Mount St. Helens erupted in 1980, the initial explosion was ejected sideways in what is called a lateral blast.
Was the eruption of Mount St Helens in 1980 was the greatest explosive eruption in the last two hundred years of world data?
The eruption of Mount St. Helens in 1980 was a significant event, but not the greatest explosive eruption in the last two hundred years. This title is often attributed to the eruption of Krakatoa in 1883, which had a larger impact on a global scale.
What is an example of an eruption?
The Mount St Helens eruption in the US in 1980. Other famous eruptions are: Krakatoa in Indonesia in 1883 - the heaviest eruption in recorded history - and Vesuvius, which in the year 79 famously destroyed the ancient city of Pompei.
Is mount st helens explosive or nonexplosive?
Mount St. Helens is known for its explosive eruptions. In 1980, it erupted violently and produced a massive explosive eruption that caused significant devastation to the surrounding area. Subsequent eruptions have also been explosive in nature.
How much carbon dioxide did the Krakatoa eruption of 1883 emit?
The Krakatoa eruption of 1883 emitted an estimated 6 cubic miles (25 cubic kilometers) of volcanic ash, dust, and sulfuric gases, including carbon dioxide. The exact amount of carbon dioxide specifically emitted is difficult to quantify accurately due to limited historical records and variations in estimating methods.
What is Washington's Mount St Helens?
An active strato-volcano that had an explosive eruption in May 1980.
Are Mount St Helen's eruptions quiet or explosive?
Mount St Helens has produced both quite and explosive eruptions. It is best known for a very large explosive eruption in 1980.
Mt st helens volcano explosive or effusive?
Mt. St. Helens is known for its explosive eruption in 1980, characterized by ash clouds, pyroclastic flows, and lateral blasts. It is considered one of the most significant volcanic events in U.S. history.
What type of eruption was the 1980 eruption of mt st Helens?
The 1980 eruption of Mount St. Helens was a explosive eruption caused by a lateral blast. It was triggered by a massive collapse of the volcano's north flank, releasing pressure built up within the volcano.
What was the magnitude of the mt st Helens eruption in 1980?
Wikipedia lists its explosive index as 5. Read below for more details about the Volcanic Explosivity Index.
What was unusual about the eruption of Mount st helens?
Most major explosive eruptions eject a large plume of ash straight up. When Mount St. Helens erupted in 1980, the initial explosion was ejected sideways in what is called a lateral blast.
What is mt st Helens volcanic explosivity index?
Mount St. Helens had a volcanic explosivity index (VEI) of 5 during its eruption on May 18, 1980. This VEI level indicates a significant explosive eruption that released a large amount of volcanic ash and caused widespread devastation in the surrounding area.
Does Mount St Helens lava flow violently or quietly?
Lava can't flow violently. Highly explosive eruptions such as the 1980 eruption of Mount St. Helens do not produce lava flows: they produce clouds of ash, gas, and pumice. Mount St. Helens has produced "quiet" lava flows at times.
