Multiple Choice
The caldera now filled by Crater Lake
A) is the center of the Mazama resurgent caldera
B) formed as the top of the Mt. Mazama collapsed into the magma chamber after a major eruption
C) was formed in a titanic eruption that destroyed Mt. Mazama and blasted pieces of it over hundreds of square kilometers.
D) is the cooled vent formed when Mt. Mazama became an extinct volcano
E) prevents future eruptions by providing a way to cool rising magma
Correct Answer:
Verified
Correct Answer:
Verified
Q9: The threat of volcanic disaster from volcanoes
Q10: A pyroclastic flow cannot cross bodies of
Q11: There has been some success demonstrated in
Q12: Lava flows _.<br>A)move so slowly that they
Q13: Any volcanic mud or debris flow is
Q15: The town of Bend, Oregon _.<br>A)is in
Q16: Airplanes may experience risks from volcanic eruptions
Q17: The most dangerous poisonous gas(ses) associated with
Q18: Campi Flegrei, home to two million people,
Q19: The prediction of volcanic danger based on