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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.
Emilia Morissette
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What is the cause of most tsunami's?
Undersea earthquakes or volcanic eruptions.
How volcanic eruptions differ from earthquakes?
volcanic eruptions are hotter
How do convergent and transform boundaries cause earthquakes?
It can cause earthquakes, volcanoes, oceanic trenches, mountains, tsunamis, and subduction.
How are earthquakes and volcanic eruptions the same?
they are the same because they all cause damage to the earth
Can volcanic eruption and seismic tremors produce large mudflows and debris flows?
Yes. Earthquakes and volcanic eruptions can cause debris flows. Volcanic eruptions can mudflows called lahars.
Can people stop earthquakes or volcanic eruption?
We do not know how to stop earthquakes or volcanic eruptions.
The Ring of Fire has many earthquakes and volcanic eruptions.?
Why do the areas along the ring of fire experience many volcanic eruptions and earthquakes?
Are geologists more successful in predicting volcanic eruptions than earthquakes?
Yes-- they are more successful in predictiong volcanic eruptions than earthquakes
Is Brazil known for earthquakes or volcanic eruptions?
no.
Do earthquakes occur prior to volcanic eruptions?
The answer is No.
Do earthquakes produce ash?
No. Volcanic eruptions produce ash. Earthquakes and volcanic eruptions get clustered. A volcanic eruption can cause vibrations, while a large temblor can rattle a magma chamber under a volcano, causing towers of ash and rivers of lava to gush forth.
Are earthquakes the only things that cause volcanic eruptions?
No. Eruptions are caused by magma moving up from the mantle. Earthquakes can be a sign of magma pushing the earth out of its way (causing the earthquake) which lead to the eruptions and potentially tsunamis.
