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can an inactive volcano become active

Sagot :

Answer:

No

Explanation:

By definition, an extinct volcano cannot rise from the dead and suddenly become active. The magma chamber is empty. The mountain is dead. No magma, no eruption. In fact, a lot of extinct volcanoes often fall apart after they have completed their eruptive cycle.

However, there are mountains that have been thought to be extinct but then out of nowhere kaboom!! Eruption. A good example actually would be Lassen Peak. It had been quiet for about 25,000 years. Everyone thought it was extinct, including the experts. And then, by the spring of 1915, VEI 3. The same thing has happened several times in Alaska. Mount Hood has also been known to go on very long naps.

So the answer to your question is never say never. If there are no signs of any activity at all that would suggest magma under the ground, the odds that the volcano is extinct increase. By this I mean no mudpots, no fumeroles, no hot springs, nothing. Good example: the rock that Edinburgh Castle sits on. Ain't nothing happening.

On the other hand, sometimes activity can be obscured by glaciers and other phenomena. This means dormant volcanoes sometimes can hide that they are dormant and not extinct; they are playing possum. It is rare, but it happens. Just like I said.