Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

11 Cards in this Set

  • Front
  • Back
shaking and trembling that results from the sudden movement of part of the earth’s crust.
giant sea wave produced by an earthquake. Tsunamis can travel at speeds of 700-899 kilos per hour. Heights of a tsunamis can get up to 20 meters high.
underground point of origin of an earthquake.
point on the earth’s surface directly above the focus of an earthquake.
Seismic Wave
shock wave produced by earthquakes that travels through the earth.
Primary Waves
the push-pull seismic wave that can travel through solids, liquids and gases. “P” waves are the fastest type of seismic wave.
Secondary Waves
a side-to-side earthquake wave which can travel through solids but not through liquids and gases. They are slower than “P” waves but faster than “L” waves.
Surface (L) Waves
Up-and –down earthquake wave. “L” waves are the slowest moving seismic waves.
instrument used to detect and record seismic waves produced by earthquakes.
record of seismic waves recorded by a seismograph.
Richter Scale
scale used to measure the strength of earthquakes.