Geomorphology Flashcards
0
Q
What causes major earthquakes
A
Volcanic eruptions , movement along faults , or large nuclear explosions
1
Q
What causes earthquakes
A
A sudden movement or displacement of rock layers
2
Q
What is the focus
A
The focus is the point on the earths crust where the earthquake occurs
3
Q
What is the epicenter
A
The epicenter is the point on the surface of the crust directly above the focus
4
Q
What is a seismic wave
A
Seismic waves are waves of energy that pass through the earths crust
5
Q
What are long waves
A
Long waves are seismic waves that move across the surface of the crust from the epicentre
6
Q
What is a Tsunami
A
A series of huge sea waves caused by an earthquake under the sea bed
