Show:
Stress
Waves
Scales
Faults
Lagniappe
100
Pushing action between two tectonic plates.
What is compression.
100
P waves are known as...?
What are primary waves.
100
This is the most well known scale for measuring the strength of earthquakes.....
What is The Richter Scale.
100
A strike-slip fault occurs at a __________boundary.
What is a transform boundary.
100
We made a printout of "earthquake energy" in class. Such a printout is called a....
What is seismogram or seismograph.
200
Stress that involves pulling between two tectonic plates.
What is tension.
200
S waves are known as........?
What are secondary waves.
200
Richter Scale readings between 1-3 are considered to to indicate _________earthquakes.
What is mild or weak.
200
This type of fault happens at a convergent boundary.
What is a reverse fault.
200
Name of the machine used to detect earthquakes.
What is seismometer or seismogram.
300
Stress caused by two plates moving past each other.
What is shearing.
300
The waves that causes the most damage and fatalities are known as.........?
What are surface waves.
300
Mercalli Scale readings of IX-XXII are indicated by __________earthquakes.
What is severe or catastrophic.
300
This type of fault occurs where there is tension.
What is a normal fault.
300
The strongest earthquake in the United States occurred in this state in the 1960's.
What is Alaska.
400
Stress on the tectonic plates may cause ____________on earth.
What are landforms. (mountains, valleys)
400
What layer of earth is predominately affected by seismic waves?
What is the crust.
400
Numbers used by the Mercalli Scale
What are Roman Numerals !-XXII.
400
X marks the spot for an Earthquake. X=____________
What is the epicenter.
400
The strongest earthquake ever recorded on earth occurred in this country.
What is Chile.
500
What is the general term for the pushing and pulling of the tectonic plates?
What is "stress."
500
Waves can sometimes be felt thousands of miles away or ___________of earth.
What is "on the other side."
500
The strength of earthquakes can also be call their.......
What is magnitude.
500
Point Zero is where it all really starts. Point Zero= the ____________.
What is the focus.
500
Country that endured a huge, earthquake-generated wave in the past 20 years.
What is Thailand.