Save
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

keywords

DefinitionAnswer
seismologist is someone who studies earthquakes.
seisomographs are machines that measure the strength or magnitude released by an earthquake
seismic waves Are tremors that radiate out known as rock waves.
focus the shock waves spread out from deep within the earth crust
Epicentre directly above the focus where effects are worse
shallow earthquake found close to the earths surface (less than 80km) most common and dangerous .
afterschocks the waves that occur after the aftermath of the main shock
deep focus found deeper within the earths surface ,less dangerous(300km)
primary waves are the fastest waves the travel through molten material, shake from side to side .
secondary waves slower than primary waves and travel through rocks .the shake up and down
logarithmic scale for every point on the scale the damage caused increased ten times
the magnitude of the earthquake the stronger the earthquake the more damage it caused
Seismic Gaps is the length of time bln the earthquakes in an area
Tiltmeters were used to measure any bulging of the earths surface
seismometer a machine used to measure the magnitude of seismic waves , then displayed on a computer .
ldc less developing countries
tsunami a large wave created by an earthquake under the ocean
liquefaction occurs when consolidated material such as sands and gravels mis with water are shaken vigorously and turned into liquid mud that cannot support strutures and cause then to fall
Earthquake the shaking or vibration of the earth's crust usually on or near on a plate boundary.
Created by: Natifah
Popular Geography sets

 

 



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