answersLogoWhite

0

🧪

Volcanoes

Volcanoes are shaped like mountains, but they eject lava due to tectonic activities beneath the Earth's surface. This can result in eruptions, depending on the intensity and the type of volcano, and cause damage.

16,009 Questions

Does the part of a normal fault that lies on top is called a reverse wall?

No, the part of a normal fault that lies on top is called the hanging wall. In a reverse fault, the hanging wall is thrust over the footwall, which is the opposite of what occurs in a normal fault.

What is the silica and water content of mt Cleveland?

Mount Cleveland, a stratovolcano in Alaska, typically has a high silica content in its volcanic rocks, which is common for volcanoes in the Aleutian arc. The specific silica content can vary depending on the eruption. The water content in Mount Cleveland's magma is also high, contributing to its explosive eruptions.

What type of volcano forms large deposits of basalt often in smooth ropey formations called pahoehoe?

Shield volcanoes are the type of volcano that forms large deposits of basalt often in smooth ropey formations called pahoehoe. Shield volcanoes have low viscosity magma that allows for the lava to flow more easily and create these distinct formations.

What is the data for a volcano?

Data for a volcano can include its location, elevation, type of volcano (e.g. stratovolcano, shield volcano), history of eruptions, monitoring data (seismic activity, gas emissions), and risk assessment for surrounding communities.

How do large scale volcanic eruptions cause global temperature decrease?

Large volcanic eruptions release massive amounts of sulfur dioxide gas and ash particles into the atmosphere. Sulfur dioxide reacts with water vapor to form sulfuric acid aerosols, which reflect sunlight back into space and reduce the amount of solar radiation reaching the Earth's surface. This causes a cooling effect on the planet's temperature.

Why do pyroclastic flows have a higher percentage of deaths than lahars?

A lahar is a mudflow that behaves in a similar manner to a flood, though it is much denser. You can be swept away by a lahar, but you can still escape.
A pyroclastic flow moves much faster than a lahar, so it is much harder to escape. If you care caught in one you will likely be subjected to temperatures of hundreds of degrees. Such conditions are not survivable.

How many people died by the pacaya volcano?

As of September 2021, there have been no recorded deaths linked to eruptions of the Pacaya volcano in Guatemala. However, the volcano remains active and poses potential risks to surrounding communities. It is important for local authorities to monitor and prepare for any future volcanic activity.

What is the name of the explosive types of volcanoes?

Explosive types of volcanoes are typically referred to as stratovolcanoes or composite volcanoes. These volcanoes are characterized by their steep sides and explosive eruptions caused by trapped gases and thick, viscous lava. Examples include Mt. St. Helens in the United States and Mt. Fuji in Japan.

What makes a volcano explode for kids?

A volcano explodes when magma (what lava is called when it is underground) comes up with gas trapped in it. The gas can form bubbles in the magma that grow so quickly that it creates an explosion.

The real word for this is "erupt" because not all eruptions have explosions. Sometimes the lava just oozes out from the weight of the rock pressing down on the magma.

Did the Krakatoa eruption effect any countries?

Because Krakatoa volcano are so dangerous and so many pepole died with axis gas.

Locally by ash and gases; there and more widely by the tsunami the final explosion threw up. it's possible that the volcano collapsed underwater so the final and extremely violent blast was of steam from the sea quenching the magma chamber.

Is Mount Rainier an explosive or non explosive volcano why or why not?

It is an explosive volcano. Mount Rainier is a stratovolcano, characterized by layers of ash from explosive eruptions and cooled lava flows from effusive eruptions. The high viscosity and gas content of its magma are the reason for its explosive nature.

What volcano in Hawaii is a live?

There are actually five,Loihi, Kilauea, Mauna Loa, Hualalai, and Haleakala.

What do the eruptions look like?

Eruptions can vary greatly in appearance, ranging from explosive events with ash plumes and pyroclastic flows to more effusive lava flows. The specific appearance depends on factors like the volcano's type, the viscosity of the magma, and the presence of gases. Volcanic eruptions can produce a wide range of phenomena, each with its unique visual characteristics.

How long it take a volcano to dry?

It can vary significantly depending on factors such as the size of the volcano, the type of volcanic activity, and the local climate. In some cases, it may take several years for a volcano to cool and dry after eruptions have ceased.

What kind of volcano form from lava that is higher in water and silica content than lava that forms shield volcanoes?

Explosive stratovolcanoes form from lava that is higher in water and silica content than the lava that forms shield volcanoes. The high viscosity of this type of lava traps gases, leading to explosive eruptions that can eject ash, rock fragments, and lava at high speeds. This creates steep-sided volcanic cones with alternating layers of ash, lava, and volcanic rocks.

How do volcanoes beneficially effect man?

Volcanoes provide fertile soil for agriculture, geothermal energy for heating and electricity generation, and mineral resources such as precious metals and gemstones. Additionally, volcanic eruptions help to release gases that contribute to the Earth's atmosphere, influencing climate and weather patterns.

How subsidence leads to a caldera?

Subsidence occurs when the ground collapses due to the removal of subsurface material (such as magma) or the collapse of a volcanic structure. This creates a void space under the surface, which can lead to a caldera forming when pressure builds up and causes an explosive eruption that further collapses the ground above. The resulting depression is known as a caldera.

What type of volcano is shin dake?

Shin Dake is a stratovolcano, which is a cone-shaped volcano composed of alternate layers of lava and ash. It is typically associated with highly explosive eruptions due to the high viscosity of its magma.

Where is an area where volcanoes are usually not found?

Volcanoes are not usually found in the interior of tectonic plates, such as in the middle of continents like in the interior of Australia. These areas are called intraplate regions and typically have less tectonic activity compared to plate boundaries where volcanoes are commonly found.

Why are volcanic islands called volcanic islands?

Long ago people believe in a god called Vulcan and he was the god of fire (not anger)so they named the volcano after him because volcanoes have to do with fire!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Volcanoes are called "volcanoes" because they are named after the Roman god Vulcan, who is said to work underground with all the magma.

What are destructive software at least for of them?

Some examples of destructive software include ransomware, which encrypts files and demands payment for decryption; viruses, which replicate and spread to damage a system; trojans, which masquerade as legitimate software to steal information or control a system; and worms, which self-replicate and spread across networks to consume bandwidth and resources.

Does Hungary have volcanoes?

No, Hungary does not have active volcanoes. The country is located in a region that is not seismically active, so there are no current volcanic eruptions occurring in Hungary.

What describes solid materials erupted from a volcano?

Solid materials erupted from a volcano are known as pyroclastic materials. These include ash, rocks, and hardened lava fragments that can vary in size from tiny particles to large boulders. Pyroclastic materials are formed during explosive volcanic eruptions when magma is fragmented and violently expelled from the volcano.