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Earthquakes & Volcanoes
Earthquakes & Volcanoes
50 terms
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StudBud Administration
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3,675 plays
review of earthquakes and volcanoes
Flashcards
50 cards
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Practice quiz
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Host live
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Questions
50
Answers
1
High silica content in magma causes it to be _______ viscous?
more
Less
2
The amount of damage caused by an earthquake is called....
strength
destruction
magnitude
intensity
3
The point on earth's surface right above where an earthquake starts is called the...
Epicenter
Focus
4
Vent
F
A
G
B
5
Homes, buildings, and bridges can NOT be strengthened to decrease earthquake damage
false
true
6
The fastest seismic waves are
Primary
Love
Secondary
Surface
7
Hawaiian volcanoes are formed from...
Divergent Boundaries
Subduction Oceanic
Subduction Continental
Hot Spots
8
Seismic waves are caused by _____ traveling through rock
energy
focus
intensity
magnitude
9
The measure of an earthquakes strength is called
intensity
magnitude
seismograph
damage
10
A dense cloud of super heated gas is called?
Lahar
Pyroclastic Flow
Lapilli
Blocks
11
The definition of an earthquake is...
an energy wave
a tectonic theory
a sudden motion along a fault
When the earth cracks
12
Mama chamber
a
d
b
c
13
Mt. St. Helens is what type of volcano?
Composite
Cinder cone
Shield
14
The Ring of Fire describes an area at the boundary of which major plate?
North American
African
Anarctic
Pacific
15
An earthquakes magnitude can be measured using the ___ and the___
seismogram
Richter scale and moment magnitude scale
epicenter and seismometer
earthquake research center
16
Crater lake in Oregon is from a collapsed volcano. This is also called?
Composite Volcano
Shield Volcano
Caldera
Cinder Cone Volcano
17
Pipe
A
E
F
C
18
The most dangerous types of volcanoes are the
composite
cinder cone
shield
19
The center of where an earthquake begins is called the.....
Epicenter
Focus
20
The measure of an earthquakes strength is called
damage
seismograph
magnitude
intensity
21
A seismic wave is a....
wave of energy traveling thru Earth away from Earthquakes
burst of energy that travels toward the Earth
sudden motion
lot of people waving at the same time
22
Can earthquakes be predicted?
0% chance
40% chance
90% chance
20% chance
23
A large wave caused by an underwater earthquake is a(n)
tide
tsunami
mudslide
big en
24
Homes, buildings, and bridges can NOT be strengthened to decrease earthquake damage
true
false
25
Most earthquakes happen at faults that are near the boundaries of _______
mountain chains
tectontic plates
continents
oceans
26
What is the difference b/t magma and Lava?
Magma is only with Volcanoes
Magma is Solid while Lava is Liquid
Magma is Beneath the Earth's Surface
Magma contains Silica
27
Most Shield volcanoes have grown from the ocean floor to form...
continents
Canyons
plates
Islands
28
A seismic wave is a....
sudden movement
a burst of energy that travels toward earth
wave of energy traveling through the earth
a lot of people waving at one time
29
This type of volcano is the smallest of the three major volcanoes?
Shield
Composite
Cinder cone
30
Earthquakes from ___ stations are needed to find the epicenter
2
4
3
5
31
A volcano that is likely to erupt is
extinct
dormant
active
loco
32
If you had to put these in order from outermost to innermost. Which would be first?
crust
mantle
inner core
outer core
33
Convergent plate boundaries
slide past each other
pull away from each other
push toward each other
34
What causes a Volcano?
Earthquakes
Pressure Builds Up on the Crust
People
Pressure Builds Up in the Core
35
If you had to put these in order from outermost to innermost. Which would be last?
inner core
outer core
crust
mantle
36
The sudden movement of Earth's crust is a(n) __.
earthquake
mudslide
tsunami
volcano
37
Which natural disaster could be a product of an Earthquakes?
answer 2 & 3
Tornado
Landslide
Tsunami
38
The point directly above an earthquake's focus is its ___.
epicenter
crater
mid point
focus
39
The measure of the amount of energy an earthquake releases is ________
foreshocks
magnitude
focus
size
40
Volcanoes that are no longer capable of erupting are known as
dormant
active
resting
extinct
41
This instrument measures earthquake waves
Seismograph
Seismodata
Seismometer
Seismogram
42
Why do earthquakes and volcanoes happen around each other?
Plate tectonics
Resurgence
No one knows
It's always been that way
43
At transform plate boundaries, two plates....
slide past each other
push towards each other
move away each other
44
Most earthquakes occur along tectonic plate boundaries
False
True
45
What is magma?
Melted Lava
Part of the Core
Melted Rock
Melted Ash
46
The place along a fault where the earthquake starts is the earthquake's___
focus
epicenter
fault
zone
47
This guy studies earthquakes
seismologist
Vulcan
Seismographist
Volcanologist
48
Explosive volcanoes have magma with
high gas, high silica content
low gas, high silica
low gas, low silica
high gas, low silica
49
Divergent plate boundaries
slide past each other
push toward each other
pull away from each other
50
A crack in Earth's crust.
crack
epicenter
focus
fault
