1. EARTHQUAKES EARTHQUAKES- THE ROCKING AND ROLLING OF THE LITHOSPHERE
SEISMIC WAVES- TRANSPORT THE ENERGY OF THE EARTHQUAKE
FOCUS- THE POINT WITHIN THE LITHOSPHERE THAT THE EARTHQUAKE STARTS
EPICENTER-THE POINT ON THE SURFACE DIRECTLY ABOVE THE FOCUS

2. WORDS FAULT- A CRACK IN THE LITHOSPHERE
STRESS- A FORCE THAT PULLS OR PUSHES ROCK -STRESS BUILDS UP IN ROCK (POTENTIAL ENERGY) AND THEN IT IS QUICKLY RELEASED-EARTHQUAKE (KINETIC ENERGY)
SEISMIC WAVES- CARRY THIS ENERGY.

3. MAGNITUDE- THE MEASUREMENT OF AN EARTHQUAKES STRENGTH

4. SEISMIC WAVES THREE TYPES OF SEISMIC WAVES PRIMARY WAVES-
A. FIRST TO ARRIVE
B. WAVES EXPAND AND CONTRACT (ACCORDION)
C. TRAVEL THROUGH SOLIDS AND LIQUIDS

5. SECONDARY WAVES- A. SECOND TO ARRIVE
B.WAVES G UP AND DOWN AND SIDE TO SIDE
C. TRAVEL THROUGH SOLIDS BUT NOT LIQUIDS

6. SURFACE WAVES-
LAST TO ARRIVE
WAVES LIKE THE WAVES IN AN OCEAN
CAUSE THE MOST DAMAGE

7. SCALES
MERCALI SCALE- A SCALE THAT MEASURES THE AMOUNT OF DAMAGE IS DONE BY AN EARTHQUAKE
RICHTER SCALE- A DEVICE MEASURES THE SIZE OF THE SEISMIC WAVES
MOMENT MAGNITUDE-MEASURES THE TOTAL AMOUNT OF ENERGY RELEASED BY AN EARTHQUAKE