No.
Yes, there are many volcanoes around the world that are larger in size and have greater volcanic activity than Mt. St. Helens. Some notable examples include Mauna Loa in Hawaii and Mt. Kilimanjaro in Tanzania.
No, Mount St. Helens is not extinct. It is considered an active volcano, with the last eruption occurring in 2008. The volcano continues to be monitored for any signs of potential activity.
Mt. St. Helens Mt. St. Helens
Mt. St. Helens, washington. erupted: may 18th 1980
In the last 150 years Mount St. Helens was experienced significant eruptive activity in 1857, 1980-86, and 2004-2006.
Mt. St. Helens is a mountain in Southern Washington state, in the Cascade Mountain Chain. It's most recent major eruption was on May 18, 1980
About 250 houses were destroyed
The last eruptive activity of Mount St Helens was in July of 2008.
In some cases, yes. However the most recent eruptions have produced dacite.
Mt St Helens first erupted on May 18, 1980
yes, Mt Saint Helens is a volcano. located in Skamania County, Washington
There are many volcanic mountain chains in the USA, so it stands to reason that there are many possible mountains that could erupt. Mt. Rainier shows signs of activity and Mt. St. Helens has erupted in the recent past and may again in Washington state. Mt. Shasta in California is another possibility. Mt. Kilauea and Mt. Mauna Loa in Hawaii erupt almost regularly.