This stratovolcano recently erupted in the United States. Although it warned of its impending eruption, it still killed people, partly because it first blew sideways and produced a monstrous landslide. The explosion sent tons of ash skyward and blasted more than 1,000 feet off the mountaintop. The volcano is:
1.Surtsey.
2.Mt. St. Helens.
3.Mt. Ranier.
4.Yellowstone.
5.Mt. Pelée.
This Caribbean volcano warned of its impending eruption for more than a month, but early in 1902 it killed thousands with a pyroclastic flow. In the 1990s, similar eruptions on the neighboring island of Montserrat threatened thousands.
1. Surtsey
2.Paricutin
3.Vesuvius
4.Mt. Pelée
5.Pinatubo
In the 1990s, a California camper in a volcanic area died after he ignored posted warnings and slept in a campground among standing but dead trees. He was not scalded, he was not poisoned, and the campground did not smell bad. What volcanic gas killed the camper and the trees?
1. water vapor
2.sulfur dioxide
3.carbon dioxide
4.hydrogen sulfide
5.carbon monoxide
Which of the following does not describe the architecture (structure) of a volcano?
1. Conduit
2.Vesicle
3.Fissure
4.magma chamber
5.Crater