Exam 5: The Wrath of Vulcan: Volcanic Eruptions

Nonviolent eruptions characterized by extensive flows of basaltic lava are termed ____________.

Basaltic lavas ____________.

Pillow lavas are associated with ____________.

Hot-spot volcanoes ____________.

Of the three primary forms of subaerial volcanoes,____________ have the most gently sloping sides,due to the low viscosity of the basaltic lavas which form them.

Of the three primary forms of subaerial volcanoes,____________ are the largest in area.

Mt.Fuji in Japan is an example of a ____________.

Of the three primary forms of subaerial volcanoes,____________ consist of alternating layers of tephra and solidified lava.

Which national park is home to a large volcanic caldera formed through a very large explosive eruption 630,000 years ago?

Gases that are abundantly emitted by volcanoes include ____________.

Rhyolitic lavas ____________.

The difference between tephra and tuff is that ____________.

Of the three primary forms of subaerial volcanoes,____________ consist of a simple,conical pile of tephra.

Olympus Mons,the largest known volcano in the Universe,is an example of a ____________.

What was unusual about the 1986 disaster around Lake Nyos in Cameroon? A A volcanic eruption involved a lateral blast of volcaniclastic debris that no one anticipated.

Mt.St.Helens killed a geologist studying the volcano because ____________.

The lithification of material from a pyroclastic flow forms a rock called ___________.

The greatest hazard to human life associated with volcanoes is ____________.

In 1902,a famous,deadly volcaniclastic flow killed thousands of people on the Caribbean island of ____________.

Hawaiian-style effusive eruptions are a greater threat to property than to human life.