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Studying past eruptions of a volcano can allow scientists to understand how it might erupt in the future, which helps determine what areas are in danger and what threats they face. A great example would be that of Mount Pinatubo in the Philippines. When it started showing signs of activity in 1991, one of the first steps scientists took was to study evidence from past eruptions. They found that Pinatubo had a long history of very large violent eruptions. Nearly everyone within 15 miles of the volcano was evacuated. The eruption that followed was one of the largest ever recorded, but timely evacuations saved an estimated 20,000 lives.

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Q: Why might it be important to learn about a volcano that erupted many years ago?
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Related questions

What is a volcano called that has not erupted for many years but might erupt again?

it is dormant, meaning it is just sleeping


What is erupted volcano called?

The second eruption is called a reawakening or re-eruption.Most volcanoes erupt multiple times over the course of their lifespan; the period during which a volcano doesn't erupt is called its dormant period or dormancy.


What is a synonym for erupted?

Synonyms for erupted (came out) include ejected, expelled, effused, issued, burst, spurted, or gushed. For a volcano, the synonyms might be exploded, vented, or blasted.


Is there an extinct volcano in tayside?

i don't think a volcano has erupted in a couple of years they might be blowing out ash and smoke but it hasn't erupted i hope i answered your question to the fullest


This type of volcano has not erupted for a long time and may or may not 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 future.This is in contract to a dormant volcano, which is an active volcano that is not erupting, but supposed to erupt again. An active volcano is a volcano that has had at least one eruption during the past 10,000 years. An active volcano might be erupting or dormant.


What will happen in a few years after a volcano has erupted?

there might be another mountain that the lava has made after it cooled off or the volcano might of gotten bigger and wider.it might of made a hill out of lava. maybe it destroyed a habitat or made a great sculpture that is awesome nobody knows what lava can do for a planet


When are volcanoes dormant?

dormant means about the same as sleeping.Inactive for a long period of time.


What is a volcano that does not erupt called?

It can be called an active, dormant or extinct volcano. An active volcano erupts regularly and frequently, however, it might not erupt at some times. A dormant volcano rarely erupts. Therefore, it does not erupt for most of the time. An extinct volcano does not erupt anymore.


Why are volcanic eruptions so dangerous?

because lava can kill you and so can ash. you might also be stranded after the volcano erupted without food or water and no way of getting out of that place


When might a volcano be bubbling?

A volcano might be bubbling as a warning that the volcano will burst soon. In addition, the volcano might be bubbling after the volcano exploded lava.


Why was Pompeii completely buried by the Mount Vesuvius?

It was buried by Mount Vesuvius because of all the ash and stuff that came out of the volcano when it erupted. Might want to double check on wiki or something.


What did it rain in Pompeii but it was'nt rain?

pompeii was destroyed by a volcano, so before it erupted ash started to snow down. It wasn't rain it was ash. I think it might have been hot.