What is an Earthquake?
Point below Earth's surface where the first sign of an earthquake occurs.
Focus
At or near the boundaries of tectonic plates.
A city that is closest to the epicenter will receive (greater/lesser) damage.
Greater
What are the two effects of earthquakes?
Danger to people and structures, tsunamis
Directly above the focus on Earth's surface is described as the _________.
Epicenter
What are the 3 main types of plate boundaries?
Convergent, Divergent, Transform
Earthquakes that are caused by volcanic activity can be _______ when they occur close to the surface.
Strong
What are 2 hazards associated with earthquakes on ocean?
large waves, floods, victims drown
The break in Earth's crust along which rocks move.
Fault
A break in Earth's crust or faults causes _________ to happen.
earthquakes
When waves due to earthquakes reach the shore is best defined as a: ________---
Tsunami
What are 2 hazards associated with earthquakes on land?
Buildings fall, gas leaks, floods, fire
The return of rock to its original shape after deformation is called ________ ___________
Elastic rebound
At which plate boundary are earthquakes the strongest?
Convergent
Which area will receive the greatest impact of the earthquake on pg. 575?
Banda Aceh
TRUE/FAlSE: Around the world, earthquakes happen very rarely.
False
Process by which rock changes shape due to movement.
Deformation
True/False: All plate movement results in earthquakes
False.
In what ocean did the earthquake occur on pg. 575
Indian Ocean
Identify the kind of stress that is mostly responsible for earthquakes.
Shear stress