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Fissure eruptions on continents occur when tectonic forces cause the Earth's crust to crack open and release magma. This magma can flow out of the fissure as lava, creating long lines of volcanic activity. Fissure eruptions can be more gradual and less explosive compared to central vent eruptions.
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What do fissure eruptions form on continents?
Fissure eruptions on continents can lead to the formation of extensive lava plateaus or basalt plains. As magma erupts from long cracks in the Earth's crust, it can cover large areas with layers of basaltic lava flows, creating flat landscapes with relatively low relief. Over time, these eruptions can build up thick sequences of basaltic rocks that form distinctive geological features on the continents.
What is a long crack from which lava flows through?
A long crack from which lava flows through is called a fissure. These fissures can be found along volcanic zones and can release lava during volcanic eruptions.
Which forces come from inside the Earth and cause sudden changes to its surface?
Earthquakes and volcanic eruptions are caused by forces within the Earth's interior. Earthquakes occur when tectonic plates shift and release built-up stress, while volcanic eruptions happen when molten rock, gas, and ash are expelled from within the Earth through a vent or fissure.
How are magmatic materials transported to the surface?
Magmatic materials are transported to the surface through volcanic eruptions. When pressure builds up in the magma chamber below the surface, it can force the magma to erupt through a vent or fissure, releasing gases and molten rock onto the Earth's surface. This process can result in different types of volcanic eruptions, such as explosive eruptions or effusive eruptions.
How does Mount Pelee eruptions occur?
Mount Pelee eruptions occur due to the buildup of pressure from magma beneath the surface. When this pressure becomes too great, it causes an explosive release of gases, ash, and lava. This can lead to devastating volcanic eruptions, as seen in the catastrophic eruption of Mount Pelee in 1902.
What do fissure eruptions form on continents?
Fissure eruptions on continents can lead to the formation of extensive lava plateaus or basalt plains. As magma erupts from long cracks in the Earth's crust, it can cover large areas with layers of basaltic lava flows, creating flat landscapes with relatively low relief. Over time, these eruptions can build up thick sequences of basaltic rocks that form distinctive geological features on the continents.
What type of volcanic eruptions occur most often when plates are moving apart?
Most common would be a fissure eruption of basaltic magma.
What is a long crack from which lava flows through?
A long crack from which lava flows through is called a fissure. These fissures can be found along volcanic zones and can release lava during volcanic eruptions.
What are some examples of a fissure eruption?
Fissure eruptions occur when magma flows up through cracks in the ground and leaks out onto the surface. These often occur where plate movement has caused large fractures in the earth's crust, and may also spring up around the base of a volcano with a central vent. Fissure eruptions are characterized by a curtain of fire, a curtain of lava spewing out to a small height above the ground. Fissure eruptions can produce very heavy flows, though the lava is generally slow moving. They are usually at the base of a volcano or at the mid ocean ridge, but often at other volcanoes, such as the Hawaiian volcanoes, as well. (credit to yahoo answers too.)
what happens when the sun emit more energy that normal?
What happens when the Sun emits more energy than normal?O Solar flares and sunspots occur, increasing Earth's temperature.O Sunspots and volcanic eruptions occur, increasing Earth's temperature.O Volcanic eruptions and movement of continents occur, decreasing Earth's temperature.O Movement of continents and solar flares occurs, decreasing Earth's temperature.?
Where is The greatest amount of volcanic material is produced at?
The greatest volume of volcanic material is produced by fissure eruptions.
Where do eruptions occur in the world?
Fiji
Why do earthquakes and volcanoes occur near the edges of the continents?
Earthquakes and volcanoes mainly occur near the edges of continents because of plate tectonics. This is where tectonic plates interact, leading to the formation of fault lines, subduction zones, and volcanic arcs. The movement of these plates causes intense geological activity, resulting in earthquakes and volcanic eruptions.
Do earthquakes occur prior to volcanic eruptions?
The answer is No.
What solar events occur during volcanic eruptions?
There are no Solar events that are connected to volcanic eruptions.
Where in the US do volcano eruptions happen?
Volcano eruptions happen in many places but they mostly occur in Hawaii.
What is the lava called from a crack in earth?
The lava that flows from a crack in the Earth's surface is called fissure or fissure lava. It typically arises from volcanic eruptions along long cracks in the ground, known as fissures, rather than a central volcanic vent.
