A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, earthquakes are common and magma (molten rock) rises from the Earth’s mantle to the surface, solidifying to create new oceanic crust. The Mid-Atlantic Ridge is an example of divergent plate boundaries.

What would be found at a divergent boundary?

Effects that are found at a divergent boundary between oceanic plates include: a submarine mountain range such as the Mid-Atlantic Ridge; volcanic activity in the form of fissure eruptions; shallow earthquake activity; creation of new seafloor and a widening ocean basin.

Where are you most likely to find a divergent plate boundary?

Most divergent boundaries are located along mid-ocean oceanic ridges (although some are on land). The mid-ocean ridge system is a giant undersea mountain range, and is the largest geological feature on Earth; at 65,000 km long and about 1000 km wide, it covers 23% of Earth’s surface (Figure 4.5. 1).

What are most common at divergent plate boundaries?

Most divergent plate boundaries are underwater and form submarine mountain ranges called oceanic spreading ridges. While the process of forming these mountain ranges is volcanic, volcanoes and earthquakes along oceanic spreading ridges are not as violent as they are at convergent plate boundaries.

Which feature is found at a divergent boundary quizlet?

Divergent boundaries form mid-ocean ridges. Divergent boundaries are found on land or undersea. Divergent boundaries form volcanoes. Magma flows from cracks in the crust at divergent boundaries.

Do divergent plate boundaries create volcanoes?

Volcanoes are most common in these geologically active boundaries. The two types of plate boundaries that are most likely to produce volcanic activity are divergent plate boundaries and convergent plate boundaries. At a divergent boundary, tectonic plates move apart from one another.

What land formations occur at divergent boundaries?

Two landforms that are created from divergent boundaries are rift valleys and mid-oceanic ridges.

Where is a divergent boundary most likely to be found quizlet?

Most are in the ocean (Mid Atlantic Ridge). The Great Rift Valley in Africa is an example of a divergent plate boundary on land. Eventually The Great Rift Valley will fill with water and become a sea. Places where tectonic plates move apart.

What kind of plate boundary causes mountains to form?

Typically, a convergent plate boundary—such as the one between the Indian Plate and the Eurasian Plate—forms towering mountain ranges, like the Himalaya, as Earth’s crust is crumpled and pushed upward. In some cases, however, a convergent plate boundary can result in one tectonic plate diving underneath another.

What is the importance of divergent plate boundary in studying the Earth?

Divergent boundaries also form volcanic islands, which occur when the plates move apart to produce gaps that magma rises to fill. Current research indicates that complex convection within the Earth’s mantle allows material to rise to the base of the lithosphere beneath each divergent plate boundary.

Article first time published on

What major geological feature occurs at divergent plate boundaries quizlet?

What type of geological features are created by divergent boundaries of continental and continental plates? Rift Valleys are created at the boundary. These are created from the separation of two continental plates. The space between each of the plates is sometimes filled with water.

What kind of plate boundary is found where the North American and Caribbean plates meet?

These are associated with a convergent plate boundary and caused by subduction of the North American plate beneath the eastern edge of the Caribbean plate.

What happens when a divergent boundary occurs on land?

Plate Divergence on Land A divergent plate boundary on land rips apart continents (Figure below). When plate divergence occurs on land, the continental crust rifts, or splits. This effectively creates a new ocean basin as the pieces of the continent move apart.

Do divergent boundaries cause earthquakes?

Divergent boundaries are associated with volcanic activity and the earthquakes in these zones tend to be frequent and small. Continental collisions result in the creation of mountains and fold belts as the rocks are forced upwards. Plates can move towards each other at a boundary.

What happens to the magma that rises from a divergent boundary?

Decompression melting often occurs at divergent boundaries, where tectonic plates separate. The rifting movement causes the buoyant magma below to rise and fill the space of lower pressure. The rock then cools into new crust. … This process transfers heat and creates magma.

Is it safe to live on the Ring of Fire?

An active status means that multiple tectonic and seismic events occur together. Due the alarmed tone of the tweet, many residents along the Pacific coast were reasonably concerned they were in imminent danger. However, geologists say not to worry. This type of activity is within the normal scope for the Ring of Fire.

Are earthquakes convergent or divergent?

Sometimes the molten rock rises to the surface, through the continent, forming a line of volcanoes. About 80% of earthquakes occur where plates are pushed together, called convergent boundaries.

What is the difference between convergent and divergent plate boundaries?

Divergent boundaries — where new crust is generated as the plates pull away from each other. Convergent boundaries — where crust is destroyed as one plate dives under another.

Which is the best example of a convergent plate boundary?

The Cascade Mountain Range is a line of volcanoes above the melting oceanic plate. The Andes Mountain Range of western South America is another example of a convergent boundary between an oceanic and continental plate. Here the Nazca Plate is subducting beneath the South American plate.

Which of the following would not likely be found at a divergent boundary?

Divergence can also cause earthquakes and if it occurs near the continental crust, a rift valley will be created through faulting. Since all of these are formed at divergent plate boundaries, the correct answer is a) Mountain formation. A mountain formation will NOT be likely at a divergent plate boundary.

What is a divergent boundary quizlet?

A divergent boundary is the boundary between two plates that are pulling away from each other.

Is the Caribbean plate convergent divergent or transform?

In the Caribbean Sea, the U. S. Virgin Islands lie along a transform plate boundary where the small Caribbean Plate moves eastward past the oceanic part of the North American Plate.

What type of plate boundary is on the eastern boundary of the Caribbean plate?

The eastern boundary is a subduction zone, the Lesser Antilles subduction zone, where oceanic crust of the South American Plate is being subducted under the Caribbean Plate.

What kind of plate boundary is found at the meeting point of Philippine and Pacific plates?

The Philippine Sea Plate. The Philippine Sea plate is tectonically unusual in that almost all the boundaries are convergent. The Pacific plate is subducting beneath the Philippine Sea plate to the east while the west/northwestern part of the Philippine Sea plate is subducting beneath the continental Eurasian plate.

What do divergent plates under the ocean cause?

Divergent boundaries in the middle of the oceans cause seafloor spreading. As the oceanic plates move apart they produce cracks in the ocean floor. Magma rises up from the mantle and oozes out from the cracks like a long, thin undersea volcano. This magma cools to form a new crust of igneous rock.

Do divergent boundaries cause tsunamis?

The plates are constantly jostling each other, driven by convection currents in the mantle. Plate boundaries are of three types: convergent, divergent, and transform, and each can cause tsunamis, though convergent boundaries are most often responsible.

Do divergent boundaries cause trenches?

No, ocean trenches do not occur at divergent plate boundaries. They are formed at convergent boundaries.