ESS 101 B LABORATORY 8 QUIZ GEOLOGIC
HAZARDS CERTIFICATION EVALUATION TEST
PAPER 2026 COMPLETE STUDY QUESTIONS
WITH CORRECT ANSWERS
◉ True or false? Earthquakes tend to occur and repetitive cycles as
rocks accumulate strain energy and then rupture or break. Answer:
True.
◉ True or false?Hurricanes can produce tsunamis. Answer: False.
◉ Oceanic crust is comprised of which kind of rock?
A.) Basalt
B.) Andesite
C.) Rhyolite
D.) diorite Answer: A.) Basalt
◉ And which kind of magma has the lowest viscosity?
A.) Granite
B.) Rhyolite
C.) Andesite
,D.) Basalt Answer: D.) basalt
◉ And which is the dominant volcanic gases found in andesitic
magma?
A.) Oxygen
B.) Carbon Dioxide
C.) Water Vapor
D.) Hydrogen Answer: C.) water vapor
◉ Which of the following best describes basaltic magma?
A.) relatively low silica content and cool.
B.) Relatively low silica content and hot.
C.) Relatively high silica content and Cool.
D.) Relatively high silica content and hot. Answer: B.) Relatively low
silica content in hot
◉ I which of the following factors affect the viscosity of magma's?
A.) Density in water Content.
B.) Temperature in silica content.
C.) Water in silica content.
D.) Density and temperature. Answer: b.) Temperature in silica
content
,◉ Which of the following factors determines whether a volcanic
eruption will be explosive or nonexplosive?
A.) Magma viscosity and elevation.
B.) Depth of magma and elevation.
C.) Depth of magma and rock fractures.
D.) Magma viscosity and gas content. Answer: D.) Magma viscosity
and gas content
◉ Which of the following tectonic settings is the most likely to
generate an explosive volcanic eruption?
A.) Subduction zone
B.) mid ocean ridge
C.) rift valley
D.) oceanic hotspot Answer: a.) subduction zone
◉ Which of the following would most likely result in a lava flow that
is hazardous to humans?
A.) Low viscosity and andesitic magma.
B.) High viscosity and rhyolitic magma.
c.) Low viscosity basaltic magma.
D.) High viscosity and andesitic magma Answer: c.) Low viscosity
and basaltic magma
, ◉ Which of the following best describes composite cone volcano's?
A.) Relatively large, erupt andesitic magma, and are nonexplosive.
B.) Relatively small, erupt andesitic magma, and are highly explosive.
C.) Relatively large, erupt basaltic magma, and are highly explosive.
D.) Relatively small, erupt basaltic magma, and are highly explosive.
Answer: B.) Relatively small, erupt andesitic magma, and are highly
explosive
◉ Which of the following best explains why some volcanoes irrupt
so violently?
A.) Rapid temperature drop as magma reaches the surface
environment.
B.) Combustion of nitrogen gas compounds react with atmospheric
oxygen.
C.) Rapid decompression of dissolved gases.
d.) Cooling affect of seawater beneath island arc volcanoes. Answer:
Rapid decompression of dissolved gases
◉ What best describes the relatively small volcanoes that form when
fragments of erupted lava cool and accumulate around event?
A.) Lava dome.
B.) Shield volcano.
C.) Composite cone.
HAZARDS CERTIFICATION EVALUATION TEST
PAPER 2026 COMPLETE STUDY QUESTIONS
WITH CORRECT ANSWERS
◉ True or false? Earthquakes tend to occur and repetitive cycles as
rocks accumulate strain energy and then rupture or break. Answer:
True.
◉ True or false?Hurricanes can produce tsunamis. Answer: False.
◉ Oceanic crust is comprised of which kind of rock?
A.) Basalt
B.) Andesite
C.) Rhyolite
D.) diorite Answer: A.) Basalt
◉ And which kind of magma has the lowest viscosity?
A.) Granite
B.) Rhyolite
C.) Andesite
,D.) Basalt Answer: D.) basalt
◉ And which is the dominant volcanic gases found in andesitic
magma?
A.) Oxygen
B.) Carbon Dioxide
C.) Water Vapor
D.) Hydrogen Answer: C.) water vapor
◉ Which of the following best describes basaltic magma?
A.) relatively low silica content and cool.
B.) Relatively low silica content and hot.
C.) Relatively high silica content and Cool.
D.) Relatively high silica content and hot. Answer: B.) Relatively low
silica content in hot
◉ I which of the following factors affect the viscosity of magma's?
A.) Density in water Content.
B.) Temperature in silica content.
C.) Water in silica content.
D.) Density and temperature. Answer: b.) Temperature in silica
content
,◉ Which of the following factors determines whether a volcanic
eruption will be explosive or nonexplosive?
A.) Magma viscosity and elevation.
B.) Depth of magma and elevation.
C.) Depth of magma and rock fractures.
D.) Magma viscosity and gas content. Answer: D.) Magma viscosity
and gas content
◉ Which of the following tectonic settings is the most likely to
generate an explosive volcanic eruption?
A.) Subduction zone
B.) mid ocean ridge
C.) rift valley
D.) oceanic hotspot Answer: a.) subduction zone
◉ Which of the following would most likely result in a lava flow that
is hazardous to humans?
A.) Low viscosity and andesitic magma.
B.) High viscosity and rhyolitic magma.
c.) Low viscosity basaltic magma.
D.) High viscosity and andesitic magma Answer: c.) Low viscosity
and basaltic magma
, ◉ Which of the following best describes composite cone volcano's?
A.) Relatively large, erupt andesitic magma, and are nonexplosive.
B.) Relatively small, erupt andesitic magma, and are highly explosive.
C.) Relatively large, erupt basaltic magma, and are highly explosive.
D.) Relatively small, erupt basaltic magma, and are highly explosive.
Answer: B.) Relatively small, erupt andesitic magma, and are highly
explosive
◉ Which of the following best explains why some volcanoes irrupt
so violently?
A.) Rapid temperature drop as magma reaches the surface
environment.
B.) Combustion of nitrogen gas compounds react with atmospheric
oxygen.
C.) Rapid decompression of dissolved gases.
d.) Cooling affect of seawater beneath island arc volcanoes. Answer:
Rapid decompression of dissolved gases
◉ What best describes the relatively small volcanoes that form when
fragments of erupted lava cool and accumulate around event?
A.) Lava dome.
B.) Shield volcano.
C.) Composite cone.
