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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.

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Q: Does Mount St Helens lava flow violently or quietly?
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What type of flow does mt st helens have?

Mount St. Helens has produced lava flows in the past. However, the famous eruption in 1980 produced something much more dangerous: pyroclastic flows. These are avalanche-like currents of hot ash, rock, and gas that race out of a volcano. The initial pyroclastic flow from the lateral blast may have briefly been supersonic.


What type of lava flow did mt st helens have?

The 1980 eruption of Mount St. Helens did not produce lava flows. It was a plinian eruption that produced aolumn of ash and pyroclastic flows. Pyroclastic flows are avalanche-like masses of hot ash, rock, and gas that rase away from an erupting volcano at speeds that can reachinto the hundreds of miles per hour.


What is the Volcano Explosivity Index?

The VEI (Volcano Explosivity Index) rates volcanic eruptions based on the volume of ejected material, the height of the eruption plume, and the time duration of the event. The scale runs from 0 (low volume, non-explosive lava flow) to 8 (mega-colossal volcanic explosion, accompanied by seismic events and/or tsunamis). E.g. Mount St. Helens, 1980, had a VEI of 5. Mount Mazama (an exploded volcano that now forms Crater Lake) erupting around 5600 BC, had a VEI of 7.


What is dominant left vertebral artery flow void?

A flow void is a place in the artery that's not showing any blood flow. Dominant suggests that there's one major area of missing flow.


Do the aortic and pulmonary valves control the flow of the blood into the heart?

No, semilunar valves control the flow of blood out of the heart.

Related questions

Does mount Fuji lava flow violently or quietly?

MT Fuji lava flows violently.


Does mt Pinatubo's lava flow violently or quietly?

Mount Pinatubo erupt violently, but does not produce lava flows. It creates massive clouds of ash and pumice.


Does mt etna's lava flow violently or quietly?

yes it flows violently


What type of eruption does mount saint helens have?

a pyroclastic flow


Did the lava flow violently or quietly at Mt St Helens?

The lava flow at Mount St. Helens in 1980 was violent rather than quiet. The eruption included a highly explosive lateral blast that unleashed a mixture of volcanic ash, gas, and debris, traveling at extremely high speeds. This explosive eruption caused widespread destruction and claimed many lives.


Did mt st helens have a pyroclastic flow?

Yes. Mount St. Helens produced many pyroclastic flows.


Was There any lava flow at Mt St Helens?

Yes, there was a significant lava flow during the eruption of Mount St. Helens in 1980. The eruption caused the collapse of the volcano's summit, leading to a massive explosion and the release of a pyroclastic flow. This flow melted the ice and snow on the volcano, mixing with ash and rock fragments to create a fast-moving lava flow known as a lahar.


Does the lava flow violently or quickly for mauna loa?

quikly not violently


Did Mt St Helens have a lava flow?

Yes.


What happened to make mount st Helens have a pyroclastic flow?

When Mt. st Helen's erupted it had a pyroclastic flow because all of its magma was high in silica so it cloged the pipe when the magma was trying to leave so when it finally exploded it came down as a pyroclastic flow


What type of flow does mt st helens have?

Mount St. Helens has produced lava flows in the past. However, the famous eruption in 1980 produced something much more dangerous: pyroclastic flows. These are avalanche-like currents of hot ash, rock, and gas that race out of a volcano. The initial pyroclastic flow from the lateral blast may have briefly been supersonic.


What kind of lava does mount st Helens produce?

The material produced by the eruptions of Mount St. Helens have varied over time, but the eruptions of recent decades, including the 1980 eruption, have involved dacite magma, whish is of intermediate-felsic composition. The famous 1980 eruption produced ash and pumice rather than lava.