Show:
Seismology
Parts of an Earthquake
Earthquake Waves
Strength and Intensity
Earthquakes and Society
100
What is the science in which earthquakes are studied?
Seismology
100
What is the point inside Earth where an earthquake begins?
focus
100
What are the waves that travel through the inside of the Earth?
Body Waves
100
What do seismologists use to measure earthquake strength?
Richter Magnitude Scale
100

Areas along active faults that have not experienced earthquakes in a long time. 

What are seismic gaps? 

200

What instrument do seismologists use to determine when an earthquake started?

Seismometer 

200
What is the point on Earth's surface directly above an earthquakes starting point?
Epicenter
200
What are the fastest seismic waves that can travel through solids, liquids, and gases called?
P Waves
200
What is the measurement of the strength of an earthquake called?
magnitude
200

A large seismic wave that generated by an earthquake along the seafloor. 

What is a tsunami? 

300

What do seismologists use to measure earthquake strength?

Richter Magnitude Scale or Moment magnitude 

300
What is the name for a break in Earth's crust where tectonic plates slide?
Fault
300
What waves stretch rock sideways and cannot travel through liquids?
S Waves
300
What is the degree to which people feel an earthquake and how much damage it causes called?
intensity
300

Phenomenon in which the ground behaves like a liquid.

What is soil liquefaction?

400
What is the measurement of the strength of an earthquake called?
Magnitude
400
What are the giant pieces of Earth's outer layer where most earthquakes occur called?
tectonic plates
400

When a mass returns to its normal condition after an earthquake.

Elastic Rebound

400

What scale is used to measure the intensity of an earthquake?

Modified Mercalli Scale

400

Where 80% of earthquakes occur. 

The Mediterranean-Asian Belt 

500
What is the degree to which people feel an earthquake and how much damage it causes called?
intensity
500

What are the three different types of seismic waves 

primary, secondary, and surface 

500

Which waves are the most destructive? 

Surface waves 

500
After an earthquake, what might cause more damage to structures?
aftershocks
500

Two main factors in determining the probability of and earthquakes occurrence. 

What are the history of earthquakes in the area and the rate at which stress builds ?