Earthquakes
Types of Waves
Plate Tectonics
Volcanoes
Fun Facts
100
What causes earthquakes?
Earthquakes are usually caused by plates breaking along a fault
100
What does the P mean in P waves?
Primary
100
How many major plate tectonic are there?
7
100
Lava can reach a temperature of how many degrees?
About 2,000 degrees
100
How do scientists locate the epicenter?
It is located directly above the Focus
200
What aftermath does an earthquake have?

Tsunami, destroyed buildings, and death

200
What does the S mean in S Waves?
Secondary
200
What is the largest plate?

The Pacific Plate?

200
How many dormant volcanoes are there?
About 600
200
How high does the Richter Scale go up to?
10
300

What is the highest earthquake recorded on the Richter scale?

9.5
300
What does the ground do when a Surface Wave is occurring?
The ground rolls like a roller coaster
300
What is one famous plate boundary?

San Andreas Fault

300
What do you call the chamber underneath the volcano?
Magma Chamber
300
What is the area called where most of Earths Volcanoes located?
Around the Pacific Ocean in an area called the "Ring of Fire"
400
What state is one of the most Seismically active regions in the world?
Alaska
400
What is a Body Wave?
A small seismic wave
400

Scientists are now able to track the movement of tectonic plates using what?

GPS
400
About how many active volcanoes are on earth?
1,900
400
What type of wave is a Love Wave?
A type of Seismic Wave
500
About how many Earthquakes does California have a year?
10,000
500

What is a Rayleigh Wave?

A type of Surface Wave
500
What is the smallest plate?

Juan de Fuca Plate

500

The word “volcano” comes from Vulcan, the Roman god of what?

Fire
500
What is the highest ever recorded earthquake magnitude in the United States?
9.2
M
e
n
u