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School
Northern Virginia Community College *
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Course
105
Subject
Geology
Date
Dec 6, 2023
Type
docx
Pages
9
Uploaded by Samwaheed9
Name
____________________________________________
Google Earth Volcano Tour
Lab
Background and Directions
In this exercise, you will take a virtual tour around the world in Google Earth to look at
different types of volcanoes.
Download
the Google Earth program
to your computer.
(Don’t use the
browser-based Google Earth that only works in Google Chrome.)
To launch Google Earth with plate boundaries overlain, download the Tectonic
Plate Boundaries file located in the assignment
.
Download the second layer, this one of volcanoes titled GVP World Volcanoes
File, located in the assignment.
The volcanoes of the world should now appear if you zoom in far enough.
Take a geographic journey around the world and report on the following types of
volcanoes.
You’re welcome to access information from other sources to complete the
questions on this tour.
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Part 1: Find Shield Volcanoes
Find two shield volcanoes and fill in the following chart. Use Google Earth for this.
Volcano #1
Volcano #2
Volcano Name
Mauna Loa
Volcano of Your Choosing:
Yunaska
Location (City,
State, Country)
Hawaii, USA
Aleutian Islands Alaska
Latitude & Longitude
Lat.:19.48
Lon:-155.61
Lat.: 52.64
Lon: -170.63
Summit elevation
in meters
4170
550
Describe its appearance
(steep sides, gentle
sides?)
Gentle sides
Steep sides
Sketch it.
Active, dormant, or
extinct?
Dormant
Dormant
Has it ever caused
property damage
and/or loss of life? If
so, how bad?
No
no
Location: hot spot,
divergent boundary,
or convergent
subduction zone?
Hot spot
Hot spot
What type of
eruption? Gentle or
explosive? Fluid lava
flows or pyroclastic
flows?
Explosive eruptions, fluid lave flow
Explosive eruptions, fluid lave flow
Rock Type?
Basaltic, Andesitic,
Rhyolitic?
Tholeiitic basalt
Rhyolitic
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Part 2: Find Cinder Cone/Lava Dome Volcanoes
Find two cinder cone volcanoes and fill in the following chart. Use Google Earth
for this.
Volcano #1
Volcano #2
Volcano Name
Sunset Crater
Volcano of Your Choosing:
Zvaritsky
Location (City,
State, Country)
Flagstaf, Arizona, USA
Kamchatka Russia
Latitude & Longitude
Lat.:35.37
Lon:-111.50
Lat.:53.91
Lon:158.39
Summit elevation
in meters
2447
1567
Describe its
appearance (steep
sides, gentle sides?)
Gentle sides
Steep sides
Sketch it.
Active, dormant, or
extinct?
Extinct
Dormant
Has it ever caused
property damage
and/or loss of life? If
so, how bad?
No
no
Location: hot spot,
divergent
boundary, or
convergent
subduction zone?
Convergent
Hot spot
What type of
eruption? Gentle or
explosive? Fluid lava
flows or pyroclastic
flows?
Explosive eruptions fluid lava flow
Explosive eruptions fluid lava flow
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3
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Volcano #1
Volcano #2
Rock Type?
Basaltic, Andesitic,
Rhyolitic?
Andesistic
rhyolitic
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Part 3: Find Composite Volcanoes
Find two composite volcanoes (also called stratovolcanoes) and fill in the following chart.
Use Google Earth for this.
Volcano #1
Volcano #2
Volcano Name
Pinatubo
Volcano of Your Choosing:
Yake dake
Location (City,
State, Country)
Luzon, Philippines
Japan
Latitude & Longitude
Lat.:15.13
Lon:120.35
Lat.:36.22
Lon:137.59
Summit elevation
in meters
1486
2445
Describe its
appearance (steep
sides, gentle sides?)
Gentle sides
Gentle sides
Sketch it.
Active, dormant, or
extinct?
Active
Active
Has it ever caused
property damage
and/or loss of life? If
so, how bad?
847 people killed
Two people killed
Location: hot spot,
divergent
boundary, or
convergent
subduction zone?
Hot spot
Convergent subduction zone
What type of
eruption? Gentle or
explosive? Fluid lava
flows or pyroclastic
flows?
Explosive eruptions pyroclastic flows
Explosive eruptions pyroclastic flows
Rock Type?
Basaltic, Andesitic,
Rhyolitic?
Dacite
Andesitic
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Volcano #1
Volcano #2
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Part 4: Find Calderas
Find two caldera super volcanoes and fill in the following chart. Use Google Earth
for this.
Volcano #1
Volcano #2
Volcano Name
Yellowstone
Volcano of Your Choosing:
Sollipulli
Location (City,
State, Country)
Wyoming, USA
Chile
Latitude & Longitude
Lat.:44.43
Lon:-110.67
Lat.:-38.97
Lon:-71.52
Summit elevation
in meters
2805
2282
Describe its
appearance (steep
sides, gentle sides?)
Gentle sides
steep sides
Sketch it.
Active, dormant, or
extinct?
Dormant
Dormant
Has it ever caused
property damage
and/or loss of life? If
so, how bad?
No
no
Location: hot spot,
divergent
boundary, or
convergent
subduction zone?
Hot spot
Convergent subduction zone
What type of
eruption? Gentle or
explosive? Fluid lava
flows or pyroclastic
flows?
Explosive eruptions pyroclastic flows
Explosive eruptions pyroclastic flows
Rock Type?
Basaltic, Andesitic,
Rhyolitic?
Basaltic
Andesitic
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Volcano #1
Volcano #2
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Part 5: Summative Assessment (10 points)
What do plate tectonics have to do with the type and/or explosiveness of the volcanoes
that you found? What patterns in volcanic style can be found at convergent vs. divergent
boundaries? How does the expression of hot spots differ in continents vs. oceans?
Explain.
The viscosity of the magma is what determines the explosiveness of the volcanoes. The
larger the viscosity of the magma the larger the explosivity. The patterns that can be found
are at the bifurcation boundary between oceanic plates sometimes a ridge is formed. The
expression of hot spots differs because there are few hot spots in the ocean and there is no
explosive activity but on the continents it is much more explosive.
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