An instrument that measures earthquake waves 
Seismometer 
Seismometer to Texan, earthquake, and sends a signal to a specific location notifying of an impending earthquake 
Early warning system
Put into computers to start a network of early warning system
accelerometer
Any kind of shaking measure by seismic instruments
Earthquakes
Faults slipping, volcanoes And landslides
Natural causes
Explosions mind caves, and aircraft crashes
Man-made causes
To push or pull on something
Force
A force exerted inside a material
Stress
What are the three kinds of stresses?
One tension pulling, two pushing compression, three tearing sheer
Hotter or less dense rock rises
Buoyant force
Cooler denser rock sinks
Gravity
Plates move apart
Divergent boundaries
Plates moved together
Convergent boundaries
Plate slide pass one and another in opposite direction
 Transformed boundaries
Any kind of a solid shape due to stress
Strain
Amount of strain a substance can take without breaking
Ductility
Easily fractured
Brittle
A joint or crack in a rock where the rock on both sides of the crack has been relative to each other
Fault
 Stretchiness
 Elastic
Flat surface along which there is a slip during an earthquake
Fault plane
Angle of the face downward from the
Horizontal
Dip
Can change along a fault
Strikes and dip
Location certain or visible on the surface
Solid line
Below ground and out of state estimate position
 Dashed line