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Earthquakes
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Earthquakes for Earth Science
Flashcards
24 cards
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Practice quiz
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Host live
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Questions
24
Answers
1
What are these?
Earthquake proof houses
Desert Igloos
Deer pellets
Hobbit dens
2
Where is the Ring-of-Fire?
Nemo's Tank
Edges of the Pacific ocean
Mid-Atlantic-Ridge
Hawaii
3
What is causing the P-wave to bend as it travels through the Earth?
Reflection
Refraction
Scattering
Transmission
4
What do we call it when the shaking from an Earthquake makes Soil behave as a liquid?
Solidification
Liquifaction
Liquid mud
Melting
5
Why do we need data from three seismic stations to find the epicenter?
One station can only find the focus
Rocks are too dense for only two stations
So the third doesn't feel left out
Three circles only meet at one point
6
What is this diagram called?
Seismogram
Spin art
Seismic wave
Seismometer
7
What natural disaster can be generated by undersea earthquakes?
Tsunami
Tidal wave
Typhoon
Hurricane
8
Where do most Earthquakes occur?
At plate boundaries
At Hot Spots
In California
Underwater
9
The difference in arrival times is 4:40. How far away is the epicenter?
5000km
400km
3200 km
10:20 km
10
This map shows most extreme earthquake damage along which major fault line?
Japan
San Andreas
Cascade Mountains
Peru-Chili Trench
11
Why would there be no waves detected at station three?
Its too far away
Its in the shadow zone
Its in the outer core
They are in stealth mode
12
What is happening in this video?
Hurricane
Water main break
Liquifaction
Tsunami
13
Why do P-waves arrive at a station before S-waves?
P-waves are faster
S-waves stopped for directions
P-waves travel through the Earth's core
S-waves are faster
14
Why can't station Z detect any S-waves?
P-waves can't travel through the liquid outer core
S-waves can't travel through the liquid outer core
S-waves don't refract
P-waves got in the way
15
What is the best way to avoid death by Tsunami?
Put storm shutters on your window
Store emergency supplies
Hide in a basement
Evacuate
16
What should you do to prepare for an Earthquake?
Kiss your butt goodbye
Plan an evacuation route
Board up your windows
Hide in your basement
17
What layer of the Earth is represented by letter D?
MOHO
Inner core
Outer core
Stiffer mantle
18
Its takes a P-wave 10 minutes to reach a seismic station. How far away is the station?
6500 km
4000km
3000km
12000km
19
A station is 6000km from the epicenter. How long will an S-wave travel to get there?
10 minutes
9 minutes 30 seconds
17 minutes
2 minutes 30 seconds
20
What is the epicenter?
The location for the next ComicCon
The focus of the earthquake
The point directly above the focus of the earthquake
The source of the P-waves
21
What do we call the process used to find the Epicenter of an Earthquake?
Triangulation
Liquifaction
Epicenter finder thingy
Station Models
22
According to this chart, what happens to the number of earthquakes as depth increases?
Fluctuates with no pattern
Increases
Remains static
Decreases
23
Why are there frequent Earthquakes near Anchorage Alaska?
Its is on a convergent boundary
Too much Hockey checking
Its above the Arctic Circle
The Earth hates Sarah Palin
24
What is the Origin Time of an Earthquake?
The time of day the earthquake occurred
The time the wave arrives at the station
The time it takes the P-wave to travel to a station
4.6 Billion years ago
