Question 1

Which of the following types of volcanic eruption have occurred on Mount St. Helens since it began erupting in 1980?

Accepted Answer

A)   eruption column
B)   pyroclastic flow
C)   volcanic dome
D)   all of theseE) None of the above
F) C) and D)

Question 2

Shield volcanoes commonly have:

Accepted Answer

A)   fissure eruptions
B)   lava flows
C)   fire fountains
D)   dikes at depth
E)   all of theseF) All of the above
G) A) and C)

Question 3

Which of the following are characteristics typical of volcanic domes?

Accepted Answer

A)   Steep-sided
B)   Rubble-covered surface
C)   Often occur in clusters
D)   All of theseE) A) and D)
F) A) and B)

Question 4

This dark gray igneous rock is glassy and elsewhere contains small vesicles and flow bands. What type of rock is this?

Accepted Answer

A)   basalt
B)   rhyolite or obsidian
C)   welded tuff
D)   volcanic brecciaE) A) and B)
F) B) and D)

Question 5

The downfall of which ancient civilization in the Mediterranean closely followed the caldera-forming eruption at Santorini?

Accepted Answer

A)   Minoan
B)   Etruscan
C)   Persian
D)   SpartanE) A) and D)
F) None of the above

Question 6

The most dangerous type of volcano is a:

Accepted Answer

A)   scoria cone
B)   scoria cone whose magmas are interacting with groundwater
C)   huge shield volcano
D)   composite volcanoE) C) and D)
F) All of the above

Exam 6: Volcanoes and Volcanic Hazards

This dark gray igneous rock is glassy and elsewhere contains small vesicles and flow bands. What type of rock is this?

Correct Answer
verified

Which of the following are characteristics typical of volcanic domes?

Correct Answer
verified

The downfall of which ancient civilization in the Mediterranean closely followed the caldera-forming eruption at Santorini?

Correct Answer
verified

The most dangerous type of volcano is a:

Correct Answer
verified

Shield volcanoes commonly have:

Correct Answer
verified

Which of the following types of volcanic eruption have occurred on Mount St. Helens since it began erupting in 1980?

Correct Answer
verified

Exam 6: Volcanoes and Volcanic Hazards

This dark gray igneous rock is glassy and elsewhere contains small vesicles and flow bands. What type of rock is this?

Correct AnswerverifiedShow Answer

Which of the following are characteristics typical of volcanic domes?

Correct AnswerverifiedShow Answer

The downfall of which ancient civilization in the Mediterranean closely followed the caldera-forming eruption at Santorini?

Correct AnswerverifiedShow Answer

The most dangerous type of volcano is a:

Correct AnswerverifiedShow Answer

Shield volcanoes commonly have:

Correct AnswerverifiedShow Answer

Which of the following types of volcanic eruption have occurred on Mount St. Helens since it began erupting in 1980?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified