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Seismic activity triggers both earthquakes and volcano eruptions, so usually both happen along fault lines, which cause seismic activity.

Answer 2: They occur in similar areas because of plate tectonics, (plates of the lithosphere). Since they move, when they crash together they cause earthquakes and create volcanoes, when the plates slide past each other they cause lots of earthquakes, and when they move apart magma from the earth's core creates a volcano and earthquakes happen along the fault lines.

See http://www.cotf.edu/ete/modules/msese/earthsysflr/plates1.html for more info.

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Related Questions

What place or state do earthquakes happen?

mostly California


Why does volcanoes and earthquake happen mostly in the same place?

Volcanoes usually form on plate boundaries. They form because the plates push upward against each other forming a small hole where magma can come out from the mantle. (the small hole is the where the magma comes out of on top of a volcano). Earthquakes usually are at faults lines and fault lines are near the plate boundaries. Since volcanoes and earthquakes happen usually at plate boundaries, they mostly happen in the same area.


Why the earthquake and volcanoes happen mostly in the same place?

Volcanoes usually form on plate boundaries. They form because the plates push upward against each other forming a small hole where magma can come out from the mantle. (the small hole is the where the magma comes out of on top of a volcano). Earthquakes usually are at faults lines and fault lines are near the plate boundaries. Since volcanoes and earthquakes happen usually at plate boundaries, they mostly happen in the same area.


Where do eathquakes and volcanoes mostly occur in the US?

Earthquakes and volcanoes, although sometimes related are not always found in the same place. Although you will always see earthquakes associated with volcanoes, an earthquake can occur without any volcanic implications. Earthquakes are most commonly experienced along the west coast of the United States as well as along the southern part of the state of Alaska. Although this is the most common place to experience earthquakes, they can happen anywhere throughout the United States. Volcanoes are also most common along the west coast of the United States (with the exception of southern and central California) as well as the southern part of Alaska. The central and southern parts of California although the most prone to earthquakes do not at this time have a heavy concentration of active volcanoes. The earthquakes in this area are driven primarily by the San Andres and sister fault lines.


Where do earthquakes and volcanoes mostly frequently occur?

Underground Earthquakes occur along fault lines. Volcanoes are all over the world but a good place to find one is in the Ring of Fire.


Where can a scientist study both volcanoes and earthquakes in the same place?

IndonesiaJapanHawaiiItalyAfricayou


Do earthquakes and volcanoes often take place?

I don't know go ask your mummy!


When and where will earthquakes take place?

We can't predict when an earthquake will happen, however: Earthquakes happen when tectonic plates 'slip'.


What happens at the edge of the plate tectonics?

no one knows for sure, but we can works out by looking at the landscape. there could be volcanoes, or lots of earthquakes could have taken place there, because most earthquakes happen on plate boundaries/margins (the edge of a plate). hope this helps!


Where is the least common place for an earthquake to happen?

In a place that has had no earthquakes in the past.


What are the year and place earthquakes happen in Australia?

1,000,001


Are there anymountains desserts or volcanoes do earthQuakes often happen in the USA?

There are mountains, deserts, and volcanos in the USA. Ex. Rocky Mountain Range, Siherra Dessert, and multiple volcanos can be found in Hawii. I would not count on finding them in any other place in the USA. Earthquakes do occur, though I can't tell you the happen often. They normally happen in the California area.