basics
The point on earth's surface that is directly above where an earthquake begins
What is epicenter?
The three-word phrase recommended to protect yourself during an earthquake
What is Drop, cover, and hold on?
A fracture in the Earth's crust where movement has occured
What is a fault?
Waves that radiate from the focus in all directions
What are seismic waves?
the instrument to detect and record seismic waves
What is a seismograph?
The exact point where an earthquake originates
What is the focus?
If you are in bed while an earthquake starts, what should you do?
What is stay in bed and cover your head with a pillow?
Type of fault created by tension, where the hanging wall moves down.
What is a normal fault?
Push-pull waves, causes particles to move back and forth
What are P-Waves
The scale commonly used to measure the magnitude of an earthquake
What is the Richter scale?
Large ocean waves generated by underwater earthquakes
What is a tsunami?
If you are driving and an earthquake hits, you should do this.
What is pull over to a clear location and stop?
Type of fault created by compression, often called a thrust fault
What is a reverse fault?
They were the last waves to be recorded
What are surface waves?
the type of plate boundary where plates slide horizontally past each other
What is a transform boundary?
The region around the Pacific Ocean where most earthquakes occur
What is the Ring Of Fire?
True or false: You should run outside immediately when the shaking starts
What is false?
A fault where two plates more horizontally past each other
What is a strike-slip fault?
Has particles that move from side to side and are able to move through solids
what are S-Waves?
True or false: Scientists can accurately the same exact time and place when an earthquake occurs
What is false?
They type of boundary where two plates slide past eachother
What is a transform boundary?
While inside, you should stay away from these three things
What are windows, glass, and unstable objects?
The surface trace of a fault is know by this name
What is a fault line?
these waves can travel as ripples or elliptical waves
What are Rayleigh waves?
The smaller earthquake that follows a main, big earthquake
What is aftershock?