Earthquakes Flashcards
it is what happens when two blocks of earth suddenly slip past one another.
Earthquake
2 main parts of earthquake
Epicenter and hypocenter
Used to locate where earthquakes originated.
Epicenter
It is also called the focus
Hypocenter
This is where the earthquake starts
Hypocenter
This is direcly above the origin of shaking
Epicenter
Before the main shock
Foreshock
Largest and the main earthquake
Main shock
Smaller earthquakes that happen after the main shock
Aftershock
Where do earthquakes happen?
Along plate boundaries, and along faults
Happens in the edge of oceanic and continental plates
along plate boundaries
Cracks of land masses when there is movement
Faults
Why do earthquakes happen?
Sudden release of energy and seismic waves that make the ground shake
move towards each other
Convergent
Move away from eachother
Divergent