Active volcano - definition of Active volcano by The Free.

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Active volcano defined

Definition of active volcano in the Definitions.net dictionary. Meaning of active volcano. What does active volcano mean? Information and translations of active volcano in the most comprehensive dictionary definitions resource on the web.

Active volcano defined

List of active volcanoes includes volcanoes which are erupting, or have erupted in modern times. Many volcanos have erupted dozens of times in the past few thousand years, but are not erupting at this moment. Some scientists consider a volcano active if it has erupted in the holocene (historic times) period. Most volcanoes live many thousands of years and erupt many times.

Active volcano defined

If a volcano is not active, it could be a dormant volcano, which means that it is a volcano that has not erupted in the past 10,000 years, but has the potential to erupt in the future. Mt. Rainier.

Active volcano defined

An active volcano, is a volcano that has erupted in the past 100 years, A dormant volcano is a volcano that hasen't erupted in the past 10,000 years. A extinct volcano is a volcano that hasen't erupted in more than 10,000 years. Why do volcanoes erupt? Volcanoes erupt because in the mantle the rise in temperatures with increasing the depth of the earth cause the tectonic plates to move 2-60mm.

Active volcano defined

Even a single volcano may go through several eruption phases in one active period. Eruptions are classified according to the composition and viscosity of the lavas, nature of the flows or ash release, and associated phenomena. Magmatic eruptions are the most common, but the most violent arise from steam explosions when the fiery magma reaches surface water, ice, or groundwater.

Active volcano defined

One can still appreciate the awesome power of nature from such places without the hazards that go with active volcanoes. A volcano is defined as active if it has erupted within the last 10,000 years (less than a second in geological time!), according to the Smithsonian Global Volcanism Program, the major volcano monitoring organization based in Washington, DC. One that is active but not.

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Yes, There are Active Volcanoes in the United States Too.

Active volcano defined

Dormant volcano Dormant volcanoes are those that are not currently active (as defined above), but could become restless or erupt again. Extinct volcano Extinct volcanoes are those that scientists consider unlikely to erupt again. Whether a volcano is truly extinct is often difficult to determine. For example, since calderas have lifespans.

Active volcano defined

Volcano, vent in the crust of the Earth or another planet or satellite, from which issue eruptions of molten rock, hot rock fragments, and hot gases. The term volcano can also refer to the landform created by the accumulation of solidified lava and volcanic debris near the vent.

Active volcano defined

Dormant volcanoes are those that are not currently active (as defined above), but could become restless or erupt again. Confusion however, can arise because many volcanoes which scientists consider to be active are referred to as dormant by laypersons or in the media. Extinct volcanoes are those that scientists consider unlikely to erupt again. Whether a volcano is truly extinct is often.

Active volcano defined

Some active volcanoes include Mount Etna in Italy, Mount Avacha in Russia, Mount Colima in Mexico, Sakurajima in Japan, and Mount Vesuvius in Italy.A volcano may be defined as a hole in the surface of the earth which permits ash, molten rock, and gases to escape from underneath the surface. Over a period of time volcanic activity may form mountains or features similar to mountains. A volcano.

Active volcano defined

Volcano definition, a vent in the earth's crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. See more.

Active volcano defined

An active volcano might be erupting or dormant. An erupting volcano is an active volcano that is having an eruption. A dormant volcano is an active volcano that is not erupting, but supposed to erupt again. An extinct volcano has not had an eruption for at least 10,000 years and is not expected to erupt again in a comparable time scale of the.

Active volcano defined

In the centre of Edinburgh sits the city's highest peak: Arthur's Seat. A long extinct volcano thought to have first erupted 350 million years ago, it offers the best panoramic view over the city. The walking trails, especially to the summit, can get busy during the day. To beat the crowds, aim to climb it either early morning or late afternoon.

Active, erupting, dormant and extinct volcanoes.

A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. Earth's volcanoes occur because its crust is broken into 17 major, rigid tectonic plates that float on a hotter, softer layer in its mantle. Therefore, on Earth, volcanoes are generally found where tectonic plates are.Definition of Shield Volcano. Of the three types of volcano, the shield is the largest in terms of area. Cinder cone volcanoes are impressive for their explosive eruptions and classic looks.A volcano is an opening, or eruption in Earth's surface, or also known as tectonic plates. tectonic plates are what makes up the crust of the Earth and volcanos are usually found where tectonic plates are converging or diverging. This reaction causes hot magma, volcanic ashes and gases to escape from beneath the Earth, and is what we know as a volcano eruption.


There is no single standard definition for a volcano. It can be defined from individual vents, volcanic edifices or volcanic fields. Interior of ancient volcanoes may have been eroded, creating a new subsurface magma chamber as a separate volcano. Many contemporary active volcanoes rise as young parasitic cones from flank vents or at a central crater.Volcanoes are best defined as cracks in the Earth’s surface where magma has flowed and turned into lava. Volcanoes can be either active, dormant or extinct. While active volcanoes erupt regularly, dormant volcanoes erupted in the past, but do not now; and extinct volcanoes have never erupted and scientists do not expect that they will. Scientists also classify volcanoes further as to their.