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Mount Pinatubo erupted for twelve days in 1991. The first eruption was on June 3 and the climactic eruption took place on June 15.
1year
The last Mt Saint Hellens Eruption was relatively short.
14
21 days
Mount Pinatubo erupted for twelve days in 1991. The first eruption was on June 3 and the climactic eruption took place on June 15.
It's last eruption was in 1991 so it has been dormant ('asleep') for 20 years.
3 months
1.) How long did it take for the radiation levels In Hiroshima to go back to normal ?
It has been back to normal for decades.
1year
the erupton made the atmsphere chaange
it never goes back to normal. an operation is normally needed
It lasted until 9 hours in June 15, 1991.
Yellowstone caldera Long valley caldera La Garita eruption Toba eruption Taupo eruption Scafells eruption
Long Island Medium - 2011 Back to Normal 5-13 was released on: USA: November 2013
you can't tell