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Why volcanologists often rely on models to study volcanic eruptions?
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Volcanic eruptions often cover forests and eventually become?
petrified wood
Does low silica magma cause explosive volcanic eruptions?
Not usually. Explosive eruptions are more often to magma with high or moderate silica levels.
What kind of rocks are produced from volcanic eruptions?
The actual rock depends on what type of eruption you're talking about. The general classification would be igneous rock. Here are some specific examples:Shield volcanoes often form basalt rockCone volcanoes often form andesiteCalderas often form rhyolite
What natural disaster often occurs along with a volcano?
Landslides often happen after volcanic eruptions because of all the shaking the volcano does while it erupts....
How often Do the volcanoes in mars erupt?
Mars is geologically dead. It did have volcanic eruptions in the past, but these ceased about 1.8 billion years ago
How often do lahars occur?
Lahar Indonesian term for a volcanic mudflow. Because they can occur before eruptions, after eruptions or without eruptions, they occur quite often.
Volcanic eruptions often cover forests and eventually become?
petrified wood
Is diorite a volcanic rock?
Yes. Diorite is a high-silica volcanic rock often associated with highly explosive eruptions.
Where do volcanic eruptions often happen?
Where ever there is a vertical vent fault in the tectonic plates.
How often do volcanic eruptions last?
How long is a peice of string. They vary from seconds to decades.
Does low silica magma cause explosive volcanic eruptions?
Not usually. Explosive eruptions are more often to magma with high or moderate silica levels.
Is there anything that warns us that a volcano is going to erupt?
Yes. Volcanic eruptions are often preceded by earthquakes, venting of steam and gas, and very slight change to the shape of the volcano. Large eruptions are often preceded by smaller eruptions.
What often accompanies volcanic eruptions?
lava, earthquakes and ash! And lightning discharges near the volcano mouth.
Do volcanic eruptions cause earthquakes?
Not usually. Although earthquakes often occur before a volcanic eruption, they are not the cause. The earthquakes are the result of magma (molten rock) moving underground leading up to an eruption. A few volcanic eruptions are thought to have been triggered or initiated by earthquakes, but this is not the typical case.
What kind of rocks are produced from volcanic eruptions?
The actual rock depends on what type of eruption you're talking about. The general classification would be igneous rock. Here are some specific examples:Shield volcanoes often form basalt rockCone volcanoes often form andesiteCalderas often form rhyolite
What natural disaster often occurs along with a volcano?
Landslides often happen after volcanic eruptions because of all the shaking the volcano does while it erupts....
How often Do the volcanoes in mars erupt?
Mars is geologically dead. It did have volcanic eruptions in the past, but these ceased about 1.8 billion years ago
