Earthquake Warm up 1
Name __________________________
(15 pts)
1.
What is the name of the theory that describes how earthquakes happen? (1 pt)
2.
The place on the surface of the earth where earthquakes feel the strongest is called the
___________________ of an earthquake. (1 pt)
3. The point beneath the surface where the source of the earthquake can be found is called the
______________ of an earthquake. (1 pt)
4. Which cause the most damage, deep or shallow earthquakes? (1 pt)
5.
A _____________________ is defined as the shaking of Earth’s crust caused by a release of E
due to the movement of plates. (1 pt)
Directions on number 6-15: Tell which type of seismic wave is being described. Your choices are P
waves, S waves, or L waves (1 pt each)
6.
The 1st waves to arrive at a seismograph.
7.
Can travel through solids, but not liquids
8. Cause rock particles to move back & forth in the same direction the wave is travelling.
9. Are called surface waves.
10. Are also called sine waves.
11. Are called compression waves.
12. Are the slowest seismic waves.
13. Cause particles to move at right angles to the line of wave movement.
14. Cause the most damage.
15. Can travel through both solids & liquids.
Earthquake Warm up 2
Name ____________________
(12 pts)
1. What are the 3 types of seismic waves? (3 pts)
2.
What is the name of the device used to measure earthquakes? (1 pt)
3. What can you tell from the difference in arrival time of P and S waves to a seismograph station?
(1 pt)
4. A seismograph tells distance to the epicenter, but it does not tell ____________________. (1 pt)
5. Data from how many stations must be used to pinpoint the epicenter of an earthquake? (1 pt)
6. Draw a star where the epicenter is located. (1 pt)
7.
The ___________________ ______________ is a scale from one to ten commonly used to
measure earthquakes. (1 pt)
8. An earthquake measuring a 9 on the Richter scale releases ________ times more energy than an
earthquake with a magnitude of 8. (1 pt)
9. The Richter scale measures an earthquake’s ________________, or ____________________. (2
pts)
Earthquake Warm up #3
Name _______________________
(15 pts)
1.
What are the two scales used to measure earthquakes? (2 pts)
2.
Which of the 2 scales measures the intensity of an earthquake? (1 pt)
3. Which scale measures the magnitude of an earthquake? (1 pt)
4.
Which scale is expressed in Roman numerals? (1 pt)
5. What is the newer way to measure the magnitude of an earthquake that takes into account the
size of faults? (1 pt)
6.
What are the 2 major causes of earthquake damage? (2 pts)
7. Most prediction methods assume earthquakes happen in ___________________. (1 pt)
8.
What is the name of the fault we live on? (1 pt)
9.
What is the name of the fault in California? (1 pt)
10. The New Madrid region has a major earthquake every _______________ years. (1 pt)
11. What is the probability that we will have a major earthquake by 2040? (1 pt)
12. A place along a fault that is predicted to be locked and is therefore at a high risk for earthquakes
is called a _____________________ ___________. (1 pt)
13. Increases of __________________ in well water are often observed before an earthquake. (1 pt)