Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Earthquakes

QuestionAnswer
a sudden shaking of Earth’s crust earthquake
deep crack in the Earth's crust where rocks move in opposite directions fault
the place deep in the Earth where the slipping begins focus
the place on Earth's surface directly above the focus epicenter
Where do most earthquakes occur? near plate boundaries
What states have the most earthquakes in the USA? Alaska, Oregon, California, Washington
What is released at the earthquake's focus? energy
What are the 3 kinds of energy waves produced by an earthquake? Primary , or P, waves Secondary, or S waves Surface, or L waves
Which type of wave travels the fastest? Primary or P waves
Which type of wave travels the slowest? Surface or L waves
Which type of wave causes the most damage? Surface or L waves
Which type of wave travels through both solid and liquid? Primary or P waves
Which type of wave only travels through the solid layers of the Earth? Secondary or S waves
Which type of wave travels along Earth's surface? Surface or L waves
Where is the most damage caused? epicenter
amount of energy released by an earthquake magnitude
scale used to measure the magnitude of an earthquake Richter Scale
scale used to measure what people felt and the damage that occurred Mercalli Scale
earthquakes with smaller magnitudes that follow larger magnitude earthquakes aftershocks
 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards