Basics
Causes
Seismic Waves
Hazards
Random
100
Vocab word for: shaking of ground from released energy
Earthquake
100
A crack or fracture in rock, often where earthquakes happen
Fault
100
Name of energy waves released in earthquake
Seismic
100
What is the most dangerous part of earthquakes?
Infrastructure damage (collapsed buildings)
Tsunami
100
True or False - Earthquakes are easy to predict
False
200
True or False: Most earthquakes are along the Ring of Fire
True
200
How do volcanoes cause earthquakes?
Movement of pressured magma
200
This wave moves side to side and up/down
Secondary (S-wave)
200
True or False: A higher magnitude earthquake = less shaking and less energy
False
200
Best place to hide during earthquake if you're inside
Under sturdy table
300
#4
Epicenter
300
3 causes of earthquakes
Tectonics
Oil drilling
Volcanoes
Gas fracking
300
This wave moves like an accordion (squeezes & expands)
Primary (P-wave)
300
Earthquakes are measured with a
seismograph / seismometer / seismogram
300
Reverse fault is along ________ plate tectonic boundaries
convergent
400
#3
Focus
400
Type of fault along divergent boundary
Normal
400
This wave moves through all layers of Earth
Primary (P-wave)
400
The outdated scale for measuring earthquake intensity
Richter
400
Slowest seismic wave
Surface
500
Vibrations from earthquakes called
seismic waves
500
Explain connection between convergent plates & earthquakes
Plate going under gets "stuck" then releases energy as it moves
500
Name the 3 types of seismic waves
P-
S-
Surface
500
The current scale for measuring earthquake intensity
Moment Magnitude Scale
500
Tsunamis are often caused by earthquakes at ______________ tectonic plate boundaries
Convergent