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Why is pyroclastic flow dangerous and what is it?
A pyroclastic flows is a hot, fast-moving mass of ash, rock and gas that moves down the slopes of a volcano during an explosive eruption. Pyroclastic flows are dangerous because they are extremely hot, often hot enough to kill a person instantly. They also move very fast, often at speeds of 100 to 200 miles per hour, which makes it nearly impossible to escape from the path of one in time. Even if it were not for the heat, many pyroclastic flows carry enough force to level buildings.
What is a dense cloud of super hot gasses and rock fragments that races downhill from an erupting volcano called?
A pyroclastic flow. It is a fast-moving avalanche of hot volcanic ash, rock fragments, and gases that can reach speeds up to hundreds of kilometers per hour, incinerating and destroying everything in its path.
How fast does lava flow?
Lava actually flows very slow. About 1 to 2 miles per hour with the fastest being about 5 miles per hour. Lahars, a mix of rock debris and water, flows very fast, usually around 60 miles per hour. Pyroclastic flow, a mix of hot gases, ash, and rocks that form a dense super heated current can reach speeds greater than 100 mphEverything above is credit to User:Bassman162
Which is faster a lava flow pyroclastic flow or lahar?
Pyroclastic flows move much faster than lava flows and carry much more momentum. This means there is little time tog et out of the way, and that they can pass over barriers that would stop or deflect lava flows. They can also carry more material. A single pyroclastic flow can bury an area to several meters thick in a matter of seconds.
Is it possible to out run a pyroclastic cloud?
No, it is highly unlikely that a person could outrun a pyroclastic cloud. Pyroclastic clouds can travel at speeds of up to 450 miles per hour, making them extremely fast and dangerous. It is recommended to evacuate an area before a pyroclastic cloud reaches it.
How fast was pompeii pyroclastic flow miles per hour?
161 km
Why is pyroclastic flow dangerous and what is it?
A pyroclastic flows is a hot, fast-moving mass of ash, rock and gas that moves down the slopes of a volcano during an explosive eruption. Pyroclastic flows are dangerous because they are extremely hot, often hot enough to kill a person instantly. They also move very fast, often at speeds of 100 to 200 miles per hour, which makes it nearly impossible to escape from the path of one in time. Even if it were not for the heat, many pyroclastic flows carry enough force to level buildings.
What is a dense cloud of super hot gasses and rock fragments that races downhill from an erupting volcano called?
A pyroclastic flow. It is a fast-moving avalanche of hot volcanic ash, rock fragments, and gases that can reach speeds up to hundreds of kilometers per hour, incinerating and destroying everything in its path.
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.
How fast does blood flow in miles per hour through the human body?
Blood flows through the human body at an average speed of about 3 miles per hour.
How fast does lava flow?
Lava actually flows very slow. About 1 to 2 miles per hour with the fastest being about 5 miles per hour. Lahars, a mix of rock debris and water, flows very fast, usually around 60 miles per hour. Pyroclastic flow, a mix of hot gases, ash, and rocks that form a dense super heated current can reach speeds greater than 100 mphEverything above is credit to User:Bassman162
Which is faster a lava flow pyroclastic flow or lahar?
Pyroclastic flows move much faster than lava flows and carry much more momentum. This means there is little time tog et out of the way, and that they can pass over barriers that would stop or deflect lava flows. They can also carry more material. A single pyroclastic flow can bury an area to several meters thick in a matter of seconds.
Is it possible to out run a pyroclastic cloud?
No, it is highly unlikely that a person could outrun a pyroclastic cloud. Pyroclastic clouds can travel at speeds of up to 450 miles per hour, making them extremely fast and dangerous. It is recommended to evacuate an area before a pyroclastic cloud reaches it.
How fast is the Gulf Stream current flowing?
The Gulf Stream current flows at an average speed of about 4 miles per hour.
How fast is 3 miles per hour?
In an hour you can move 3 miles. Not so fast.
Why does pyroclastic flow travel faster than a lava flow?
Lava is a very viscous liquid, meaning it will resist flowing rather like syrup. Lava flows are often slowed even more as they form a crust of solid rock. A pyroclastic flow is a different matter; it is a dense cloud of hot ash, rock, and gas, behaving more like an avalanche than a flowing liquid. Pyroclastic flows are not slowed by viscous forces.
How fast is 600 miles an hour?
fast
