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

TermDefinition
earthquake A sudden and violent shaking of the ground caused by earth's tectonic plates moving around
crust The harder outer layer of earth
fault a fracture along the crust
mantle A substance made up of molten lava and magma
lithosphere the rigid outer part of earth the top part of mantle and crust
lithosphere plates the region of earths crust
seismoloigists scientists that study earthquakes
Divergent A tectonic boundary where plates are moving away from each other.
convergent a tectonic boundary where plates are pushing up against each other.
transform a tectonic boundary where plates slide past each other
Seismology The study of earthquakes
seismigraph something that records and detects earthquakes
aftershock a smaller earthquake that comes after the first one that could maybe come hours, days or even sometimes months after.
liquifaction when soil loses it's strength or becomes liquid
tsunami a big wave caused by seismic waves at the bottom of the ocean
magnitude the largeness of the earthquake
moment magnitude scale a scale that measures the size of and amount of damage that the E.Q did at that moment.
The Richter Scale A numerical scale that tells you the magnitude of an earthquake.
Mercalli Scales something to measure the intensity of an earthquake
Epicenter The epicenter is right above the focus where the earthquake happened
focus the location of the earthquake
surface wave The strongest wave of an earthquake
convection the movement caused by a fluid under the earth's surface
s-wave a seismic wave that shakes the ground back and forth
subduction sideways and downward movement
compression the stress that squeezes something
tension The stress that tends to pull rock apart
Plateau A relatively high part of land
shearing the force causing deformation by slippage along a plane
normal fault A fault in which a hanging wall is moving downward
Reverse Fault A fault in which a hanging wall has moved upward
Created by: 1965039196
Popular Earth Science 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