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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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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?

The 1980 eruption of Mount St. Helens did not produce any lava flows. That eruption produced massive clouds of ash and pumice. Later activity formed a lava dome, but not lava flows. No eruption that has been directly observed at Mount St. Helens has produced lava flows, but some prehistoric eruptions have.


Does the lava flow violently or quickly for mauna loa?

quikly not violently


Does Mount st Helens have a Hawaiian eruption?

No, Mount St. Helens had a Plinian eruption in 1980, which is characterized by a violent explosion of gas and ash. Hawaiian eruptions, on the other hand, are characterized by the steady flow of lava.


Did Mt St Helens have a lava flow?

No, the eruption of Mount St. Helens in 1980 was primarily explosive, generating pyroclastic flows and ash clouds. There was some minor lava extrusion, but the majority of the volcanic material consisted of ash, pumice, and other debris.


How far did the lava flow in the mount st helens eruption?

The 1980 eruption of Mount St. Helens did not produce lava flows. It was an explosive eruption that prudiced an ash plume and pyroclastic flows. Pyroclastic flows are avalanche-like masses of superheated ash, rock, and gas. Pyroclastic flows from the initial lateral plast reached as far as 19 miles. Ash blown high into the atmosphere was carried by the wind for thousands of miles.


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.