what is the relationship between plate tectonics and volcanoes

Volcanoes and earthquakes are similar in that they are both geological in origin and both result in surface phenomena. … Furthermore, volcanoes result in the formation of new rock whereas earthquakes result in seismic waves and shaking of rock but not formation of new rock.

How do plate tectonics influence the formation of volcanoes quizlet?

At the boundaries were the plates diverge (pull apart) or converge (push together), the crust is weak and fractured allowing the magma to reach Earth’s surface forming volcanoes. Lava erupted from the hot spot and built a volcanic island.

What feature of plate tectonics is often associated with volcanoes quizlet?

Volcanoes are associated with three types of tectonic structures: convergent plate boundaries, divergent plate boundaries and hot spots. California has all three.

How do plate boundaries relate to types of volcanoes quizlet?

Volcanoes can occur along both convergent and divergent plate boundaries. Along convergent ones, they occur as the two plates collide together and one subducts under the other. They can also happen along divergent plate boundaries such as rift zones, from which magma rises up from the mantle and creates a volcano.

What is the relationship between plate tectonics and mountain formations?

Mountains form where two continental plates collide. Since both plates have a similar thickness and weight, neither one will sink under the other. Instead, they crumple and fold until the rocks are forced up to form a mountain range. As the plates continue to collide, mountains will get taller and taller.

Does the theory of the plate tectonics explain where volcanoes are located and why they are located in those places?

The theory of plate tectonics explains most of the features of Earth’s surface. It explains why earthquakes, volcanoes and mountain ranges are where they are. It explains where to find some mineral resources. Plate tectonics is the key that unlocks many of the mysteries of our amazing planet.

How the movement of tectonic plates creates volcanic landforms?

Volcanoes and ridges are landforms that are created by the movement of tectonic plates. Some volcanoes are formed when the plates pull apart under the ocean. … Other volcanoes are created when a tectonic plate slides under another. As the bottom plate is heated up by the Earth’s hot mantle, a material called magma forms.

How does tectonic plate movement create ocean basins mid ocean ridges and volcanoes?

Mid-ocean ridges occur along divergent plate boundaries, where new ocean floor is created as the Earth’s tectonic plates spread apart. As the plates separate, molten rock rises to the seafloor, producing enormous volcanic eruptions of basalt.

What is the difference between tectonic earthquake and volcanic earthquake?

There are two types of earthquakes: tectonic and volcanic earthquakes. Tectonic earthquakes are produced by sudden movement along faults and plate boundaries. Earthquakes induced by rising lava or magma beneath active volcanoes is called volcanic earthquakes.

Is there relationship between active volcanoes and earthquake epicenter?

But in the case of the “Ring of Fire”, earthquakes and volcanoes are not directly related. Of course earthquakes happen in these subduction zones, but they do not really cause eruptions. Nonetheless, in very specific conditions, earthquakes and volcanic activity are indeed connected.

Where are the volcanic and earthquake patterns most similar Explain Why is that?

Where are the volcanic and earthquake patterns most similar? Volcanic and earthquake patterns most similar because the majority of them lay along the ring of fire as shown in figure 2.6. In what parts of the world are there abundant earthquakes but not (apparently) active volcanoes?

How does this relate to magma and lava flow in the earth and or volcano quizlet?

A volcano forms where magma breaks through Earth’s crust and lava flows over the surface. … Dissolved gases under tremendous pressure are trapped in magma. The FORCE OF THE EXPANDING GASES pushes it through the pipe until it flows or explodes out of the vent.

Why do volcanoes occur where tectonic plates pull apart or diverge?

Most volcanoes form at the boundaries of Earth’s tectonic plates. … At a divergent boundary, tectonic plates move apart from one another. They never really separate because magma continuously moves up from the mantle into this boundary, building new plate material on both sides of the plate boundary.

How do volcanoes form at a quizlet?

Volcanoes form above a hot spot when magma erupts through the crust and reaches the surface. When the explode of magma comes out and becomes lava when lava cools it forms a solid rock. And it creates new rock. When two plates pull apart they form volcanoes.

What is the process that causes volcanoes to form?

On land, volcanoes form when one tectonic plate moves under another. Usually a thin, heavy oceanic plate subducts, or moves under, a thicker continental plate. … When enough magma builds up in the magma chamber, it forces its way up to the surface and erupts, often causing volcanic eruptions.

Where do volcanic arcs form?

A volcanic arc is a chain of volcanoes, hundreds to thousands of miles long, that forms above a subduction zone. An island volcanic arc forms in an ocean basin via ocean-ocean subduction. The Aleutian Islands off the coast of Alaska and the Lesser Antilles south of Puerto Rico are examples.

At which tectonic setting does most of the volcanic activity on the planet occur quizlet?

Most of the magma produced on Earth is produced at mid-oceanic ridges (divergent plate boundaries) to form the oceanic crust and is basaltic in composition. Your book discusses the three processes by which a rock can melt to form a magma.

Do convergent boundaries cause volcanoes?

If two tectonic plates collide, they form a convergent plate boundary. … The new magma (molten rock) rises and may erupt violently to form volcanoes, often building arcs of islands along the convergent boundary.

Why are volcanoes commonly associated with convergent plate boundaries quizlet?

As you learned earlier, volcanic activity is common at convergent plate boundaries because of the generation of new magma when one plate is subducted and consumed under another one. When subduction takes place, partial melting of the crust generates a silica-rich magma.

What type of plate boundary do most volcanoes occur along quizlet?

Most volcanoes occur along diverging plate boundaries, such as the mid-ocean ridge, or in subduction zones around the edges of oceans.

How does the theory of plate tectonics help explain the locations of earthquakes volcanoes and mountain ranges?

The theory of plate tectonics describes the motion of Earth’s plates and their role in geological processes, such as mountain building, earthquakes, and volcanoes. … When two continental plates converge, neither is subducted. Rather, the crust is uplifted to form towering mountain ranges, such as the Himalayas.

How do volcanoes form without plate tectonics?

Hotspot Volcanoes

Unlike volcanoes associated with plate boundaries, hotspot, or inter-plate, volcanoes are located within tectonic plates. They are fueled by localized sources of high heat energy known as thermal plumes. These plumes of molten rock, called magma, rise from the lower asthenosphere.

How are volcanoes associated with plate tectonics Upsc?

The process of volcanic eruptions has been described by plate tectonic theory. This theory holds that earth’s crust is divided into several major and minor rigid slabs called plates. … Since such phenomenon occurs only along plate boundaries, volcanoes are mostly found along plate boundaries.

What are the causes of plate movement describe movement of plates?

The plates can be thought of like pieces of a cracked shell that rest on the hot, molten rock of Earth’s mantle and fit snugly against one another. The heat from radioactive processes within the planet’s interior causes the plates to move, sometimes toward and sometimes away from each other.

Which is responsible for the movement of large plates and formation of volcanoes?

The movement of these tectonic plates is likely caused by convection currents in the molten rock in Earth’s mantle below the crust. Earthquakes and volcanoes are the short-term results of this tectonic movement. The long-term result of plate tectonics is the movement of entire continents over millions of years (Fig.

What happens when tectonic plates slide past each other?

When oceanic or continental plates slide past each other in opposite directions, or move in the same direction but at different speeds, a transform fault boundary is formed. No new crust is created or subducted, and no volcanoes form, but earthquakes occur along the fault.

What is the difference between tectonic plates and continental plates?

The main difference between plate tectonics and continental drift is that plate tectonics describes the features and movement of Earth’s surface in the present and in the past whereas continental drift describes the drifting of Earth’s continents on the ocean bed.

How does plate tectonics cause volcanoes and earthquakes?

Plates sliding past each other cause friction and heat. Subducting plates melt into the mantle, and diverging plates create new crust material. Subducting plates, where one tectonic plate is being driven under another, are associated with volcanoes and earthquakes.

What is the relationship between earthquake and volcanic eruption?


what is the relationship between plate tectonics and volcanoes



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