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How long has Hohentwiel the volcano in Germany been extinct for?
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How long has pilot knob the volcano been extinct?
100 years
This type of volcano has not erupted for as long as there has been written history?
Dormant A+ :)
Is Mount Snowdown a volcano as well as a mountain?
Mount Snowdon in north Wales is the remains of an ancient volcano which has been extinct for millions of years.
How long is it before a volcano is extinct?
An extinct volcano must have not erupted in historical times (when history was first recorded). It takes many many years to distinguish an extinct volcano from a dormant one, and it is very difficult too. An example would be the Fourpeaked Mountain in Alaska, which prior to September 2006, is not believed to have erupted since earlier than 7994 BC! Mostly, it takes about 5,000 to 6,000 years for a dormant volcano to be considered extinct, except in rare cases. Another would be the hotspot theory. Whenever a volcano island moves away from the hotspot, the magma source is cut off, and the volcano is considered extinct. An example would the Hawaii Chain Islands.
Will the volcano under Jackson erupt again?
No, its been extinct for over 65 million years
Was the Pompeii volcano dormant?
Yes the volcano had been dormant for over 200 years before the 79 CE eruption. Some even considered it to have been extinct until it erupted.
When is an area surrounding a volcano not considered a danger area?
When the volcano has been extinct (without an eruption for at least 10,000 years) is the surrounding area considered safe.
What is an extinct volcano called?
An extinct volcano is one that scientists believe will not erupt again. That is because the volcano no longer has a magma supply. There are many volcanoes that are considered extinct on the Hawaiian islands. Exactly when a volcano has become extinct can be difficult, if not impossible, for scientists to determine.
What is a retired volcano called?
Depending on how long they've been inactive - they're called either dormant, or extinct.
What is a volcano that does no longer erupt called?
the name given to volcanoes that can no longer erupt is "EXTINCTED VOLCANOES" (\___/) ( o , o) (\____/) ( >#<) ( o , o ) (") (") (^^^^^ ) ( O O ) ( 7 ) ( \___/ ) Of course it could also be a "dormant" volcano playing possum. It is difficult to distinguish an extinct volcano from a dormant (inactive) one. Volcanoes are often considered to be extinct if there are no written records of its activity. Nevertheless, volcanoes may remain dormant for a long period of time. For example, Yellowstone has a repose/recharge period of around 700 ka, and Toba of around 380 ka. Vesuvius was described by Roman writers as having been covered with gardens and vineyards before its famous eruption of AD 79, which destroyed the towns of Herculaneum and Pompeii. Before its catastrophic eruption of 1991, Pinatubo was an inconspicuous volcano, unknown to most people in the surrounding areas. Two other examples are the long-dormant Soufrière Hills volcano on the island of Montserrat, thought to be extinct before activity resumed in 1995 and Fourpeaked Mountain in Alaska, which, before its September 2006 eruption, had not erupted since before 8000 BC and had long been thought to be extinct.
Can volcanoes extinct?
No. If a volcano erupts then it is not extinct; during its period of inactivity it would have been dormant. To add to this. Two examples are the long-dormant Soufrière Hills volcano on the island of Montserrat, thought to be extinct before activity resumed in 1995 and Fourpeaked Mountain in Alaska, which, before its September 2006 eruption, had not erupted since before 8000 BC and had long been thought to be extinct. I am sure the odds are the same as winning the lottery every year for life.
Is the lyttelton volcano extinct?
Apparently yes, according to experts ... however in the latest Christchurch earthquakes, boiling water has been noted springing up all around it and some of the earthquakes were centered in and around Lyttelton. A strong smell of sulfur was also noted just after these quakes. The experts insist it is extinct but is there really any such thing as an extinct volcano?
