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Volcanoes with very viscous magmas tend to erupt explosively due to the high resistance to gas escape. When magma is thick and sticky, gas bubbles can become trapped, leading to increased pressure within the magma chamber. Once the pressure exceeds the strength of the surrounding rock, it results in a violent eruption as the gas escapes rapidly, fragmenting the magma into pyroclastic material and causing explosive outbursts. This is contrasted with low-viscosity magmas, which allow gases to escape more easily and typically result in effusive eruptions.
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Do these hot spot volanoes tend to erupt more explosively than other volcanoes?
no they do not erupt more explosively. It depends on its gas and on its viscosity. an example is Kilauea in Hawaii it does not erupt explosively.
Do oceanic crust hot spot volcanoes tend to erupt more explosively than other volcanoes?
No, oceanic crust hot spot volcanoes tend to erupt with less explosiveness compared to subduction zone volcanoes. The lava from hot spot volcanoes is typically less viscous, allowing gases to escape easily and reducing the likelihood of explosive eruptions.
What kind of magmas are generated in places where volcanoes erupt both explosively and nonexplosively?
Volcanoes that erupt both explosively and nonexplosively typically generate magmas with a range of compositions. This can include basaltic magmas for nonexplosive eruptions due to their low viscosity, and intermediate to silicic magmas for explosive eruptions due to their high gas content and higher viscosity. The mixture of magma types leads to varying eruption styles within the same volcanic system.
How do cinder cone volcanos erupt?
Cinder cone volcanoes erupt explosively, but not as violently as composite volcanoes.
What are the three type of volcanoes how do they erupt and from?
The three main types of volcanoes are shield, stratovolcanoes (or composite volcanoes), and cinder cone volcanoes. Shield volcanoes, like Mauna Loa, have gentle slopes and erupt primarily through the effusion of low-viscosity basalt lava, resulting in broad, expansive landforms. Stratovolcanoes, such as Mount St. Helens, exhibit steep profiles and erupt explosively due to more viscous magma, often resulting in pyroclastic flows and ash clouds. Cinder cone volcanoes are the smallest and erupt explosively, spewing out ash and small lava fragments that accumulate around the vent to form a steep, conical hill.
Do these hot spot volanoes tend to erupt more explosively than other volcanoes?
no they do not erupt more explosively. It depends on its gas and on its viscosity. an example is Kilauea in Hawaii it does not erupt explosively.
Do oceanic crust hot spot volcanoes tend to erupt more explosively than other volcanoes?
No, oceanic crust hot spot volcanoes tend to erupt with less explosiveness compared to subduction zone volcanoes. The lava from hot spot volcanoes is typically less viscous, allowing gases to escape easily and reducing the likelihood of explosive eruptions.
What kind of magmas are generated in places where volcanoes erupt both explosively and nonexplosively?
Volcanoes that erupt both explosively and nonexplosively typically generate magmas with a range of compositions. This can include basaltic magmas for nonexplosive eruptions due to their low viscosity, and intermediate to silicic magmas for explosive eruptions due to their high gas content and higher viscosity. The mixture of magma types leads to varying eruption styles within the same volcanic system.
How do cinder cone volcanos erupt?
Cinder cone volcanoes erupt explosively, but not as violently as composite volcanoes.
Does hot spot volcanoes tend to erupt more explosively than other volcanoes?
No they do not erupt more explosively. It depends on its gas and its viscosity. Kilauea in Hawaii does not erupt more explosive.
What kind of magmas are generated in places where volcanos erupt explosively and nonexplosively?
pillow lava.... i think
Do oceanic hot-spots tend to erupt more than other volcanoes?
No they do not erupt explosively. It depends on its gas an its viscosity. Kilauea in Hawaii does not erupt explosively.
How are felsic magmas formed?
Heat from the mantle melts part of the lower crust
What determines the strength of a eruption?
The temperature, the pressure, and the type of magma. High silicate magmas generally erupt explosively.
Do hot spot volcanoes tend to erupt more explosively than other volcano?
The source is not as important as the gas content and viscosity. For example, Kilauea in Hawaii doesn't erupt very explosively; it is just a fire fountain. The more explosive volcanoes are those with a blocked magma chamber that builds pressure under a solid surface. Hotspot volcanoes tend to be less explosive because most are on the seafloor.
Is the outer core called a crust?
Yes it is called the outer core because they feed volcanoes that explosively erupt.
Are volcanoes that always erupt explosively located on water or land?
Volcanoes that always erupt explosively can be located on both water and land. The type of eruption is determined by the composition of the magma within the volcano, not its location. Explosive eruptions are typically caused by the high pressure buildup of gas within the magma.
