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Some types of volcanoes are known as "monogenetic" meaning they are formed in and limited to, one single eruption, commonly forming cinder cones. One example is Paricutin in the Trans-Mexican Volcanic Belt.
Some volcanoes become dormant, meaning they haven't erupted in several hundred thousand years, but are thought to still contain eruptible magma somewhere beneath them. An example would be Mt Ranier in the Cascades Arc.
Some volcanoes become inactive or "extinct" because the magmatic system feeding them becomes shut off, migrates to another volcano, or simply stops supplying them (this is poorly understood as the timescales over which this occurs are so huge). An example of this would be the Hawaii-Emperor Seamount Chain - the islands are all volcanoes that become progressively older the further North you go. This is because the magma source feeding the volcanoes came from a "hot-spot" or "mantle-plume" located in a fixed position underneath the Pacific tectonic plate. As the plate moved over the top, the magma source become cut off, rendering one volcano extinct, while building another one slightly further South.
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Are dormant volcanoes active?
That's like asking 'are sleeping people awake?'. Dormant volcanoes, by definition, are not active, though they can become active under certain circumstances.
Are there any Volcanoes in Georgia US?
There are no active volcanoes in the State of Georgia. Currently, (November 2104) the only active volcanoes are in Hawaii. There are a number of currently dormant volcanoes in Alaska, California, Washington, Oregon and Wyoming. These could become active at any time,
When active volcanoes cease erupting and cool off they become?
Dormant :)
Are there any active volcanoes in Serbia?
No, there are volcanoes but not active.
Does the planet Mars have active volcanoes?
it has volcanoes, but none are active
Is There numerous active volcanoes on the surface of mars?
The volcanoes are active
Are they any active volcanoes in grenada?
there are active volcanoes in grenada
What volcanoes are in Tasmania?
Tasmania is geologically inactive. There are no volcanoes.
Does Mars have volcanoes active now?
No. All the volcanoes on Mars are extinct.
How many active volcanoes are in central America?
there are 29 active volcanoes in Central America
Are there still active volcanoes?
Yes. There are hundreds of active volcanoes in the world.
Are there any active volcanoes?
Yes. There are hundreds of active volcanoes in the world.
