Tectonic Forces
Faults and Joints
Earth Waves and Seismology
Earthquake DVD
McDonalds Food
100
How might Students like you help provide earthquake Warnings?
By using your skills with technology. Also by getting earthquake warning software for your computer.
100
(True or False) Pumping Groundwater out of a formation containing an active fault could result in a more serve earthquake?
True
100
(True or False) Because of the movement of seismic waves, scientists believe the core of the earth may be partly liquid.
True.
100
How Deep can an earthquake take place? A. Up to 5 Miles B. Several hundred miles down. C. Up to 50 Miles
B. Several hundred miles down.
200
(True or False) Many geologists believe that it is gravity that ultimately drives sea-floor spreading.
True
200
What kind of fault is the san andreas fault?
Strike-slip fault
200
What kind of instrument detects and transmits earth wave data?
A seismometer.
200
How Big was the largest earthquake ever recorded? A. Magnitude 7 B. Magnitude 10.9 C. Magnitude 9.5
C. Magnitude 9.5
300
What is an Earthquake? A. A series of HIGH-FREQUENCY shock waves passing through the earth. B. A series of LOW-FREQUENCY shock waves passing through the earth.
B. A series of LOW-FREQUENCY shock waves passing through the earth. (Hint: Think the bass in music (Low-frequency sounds) makes the car shake.)
300
Name the two angular measurements.
Strike and Dip
300
What is the most basic part of a seismic instrument?
A Mass
300
Which city was devastated by an earthquake a few years before a volcanic eruption destroyed it? A. Pompeii B. Shaanxi C. New Madrid
A. Pompeii
400
What is happening at convergent tectonic boundaries?
The plates are moving towards each other.
400
Where on the earth do most earthquakes start?
Faults
400
What part of the earth can S-Waves not pass through?
The core.
400
How much bigger is a magnitude 4 earthquake then a magnitude 1? A. Four Times B. A hundred Times C. A Thousand Times
C. A Thousand Times
500
What is stress defined as? What type of stress is most likely to cause an earthquake.
Stress is a force exerted within or on a material. Shear stress
500
What is the difference between a joint and a fault?
A joint is a crack when there is no movement of the rock. A fault is a crack when there is movement in the rock.
500
Name the 3 types of waves.
P-Waves, S-Waves, and Surface Waves
500
What was seriously affected by the 1999 Taiwan earthquake? A. The computer Industry B. The Financial Industry C. The Insurance Industry
A. The computer Industry
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