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What happens in a nonexplosive eruption?
when some people think of volcanic eruptions, they often imagine rivers of red-hot lava, called lava flows. lava flows come from nonexplosive eruptions. it still spurts lava but non-explosivley!
How are volcanoes developed?
Volcanoes are created by layers of ash and lava eruptions
What type of lava erupts from Mount Etna and how does this effect the eruptions?
In its most recent activity Mount Etna has erupted basaltic lava. These eruptions have been mildly explosive and produced glowing red lava flows due to the lava's relatively low viscosity.
What is a red eruption?
In one sense, you can divide volcanic eruptions into two general types: "red" eruptions and "gray" eruptions. "Red" eruptions are generally nonexplosive or mildly explosive. These eruptions produce flows or fountains of glowing red lava. The lava flows can be destructive, but they generally move slowly, so "red" eruptions rarely cause a significant loss of life. "Gray" eruptions ares explosive. They produce clouds of hot ash and rock. Some of these clouds race down the slopes of a volcano as pyroclastic flows, burning everything in their path. These flows along with other hazards make "gray" eruptions extremely dangerous.
What type of eruptions does the Unzen volcano make?
The lava is explosive
What occurs at long narrow fractures in the crust?
Rift eruptions
Occur at long narrow fractures in the crust?
rift eruptions
What type of lava erupts most often in rift valley?
Basaltic lava.
Eruptions that are characterized by small explosions and thick lava flows are what?
Volcanic eruptions.
What happens in a nonexplosive eruption?
when some people think of volcanic eruptions, they often imagine rivers of red-hot lava, called lava flows. lava flows come from nonexplosive eruptions. it still spurts lava but non-explosivley!
What happens as the eruptions continue?
More lava comes out.
Lava lakes are a unique feature of the eruptions of?
kilauea
Does felsic lava create violent or quiet eruptions?
Felsic lava, due to its high viscosity and generally high gas content tends to produce violent eruptions.
What kind of eruption is a Lava fountain?
Lava fountains can be associated with Strombolian and occasionally Hawaiian eruptions.
What type of lava tends to lead to non-explosive eruptions?
Basic lava is low in viscosity.
How are volcanoes developed?
Volcanoes are created by layers of ash and lava eruptions
What type of lava erupts from Mount Etna and how does this effect the eruptions?
In its most recent activity Mount Etna has erupted basaltic lava. These eruptions have been mildly explosive and produced glowing red lava flows due to the lava's relatively low viscosity.
