It erupts for a duration of 15 to 25 minutes once or twice per day.
He erupted for 10 points in the first nine minutes.
But they erupted simultaneously March 30, 1984, for the first time since 1868.
His head erupted above the mass, its rumpled red hair a banner for attention.
In the valley, fire and lightning erupted for a moment as if to give him the lie, but nearly to the far end.
"They fought all the time, but a fight would erupt for five seconds and then it was over."
They then erupted for four runs on six hits in the third.
Despite Jefferson's erupting for 15 points in the final quarter, it was too late.
We were told it's still active, but hasn't erupted for years.
At another concert, audience members charge onto the stage and erupt into a wild sexual free for all.