Earth Science Unit 3 - Earthquakes

Front

Natural vibrations of the ground caused by the stress and strain of plate movement are called

Back

earthquakes

Front

The first waves to reach a recording station are: Surface waves, P waves, S waves, horizontal waves

Back

P waves

Front

The second waves to reach a reporting station are called

Back

S waves

Front

The most destruction done by an earthquake are caused by

Back

Surface waves

Front

Surface waves are

Back

P and S waves combined

Front

In order to find the epicenter of an earthquake, how many reporting stations are needed?

Back

3

Front

The spot inside of Earth where the earthquake happens is called the

Back

focus

Front

The spot on Earth's surface right above where the earthquake occurs is called the

Back

epicenter

Front

P waves move

Back

with rock

Front

S waves move

Back

perpendicular to the rock