7.1
The sudden release of energy stored in rocks creates
What are Earthquakes?
The point on the land surface that is directly above the focus
What is the Epicenter?
The number of earthquakes that are felt each year.
What is about 150,000
In the 1906 San Francisco earthquake, the most damage was done by this
What are Fires?
Forces which squeeze rocks together, causing them to fold or fracture
What is Compression?
The study of seismic waves.
What is Seismology?
Sine 1900 there have been this many Magnitude 9.0 or above earthquakes measured.
What is 5?
The safest place you can be in an earthquake
What is a wide open field outside.
Rocks that are pulled apart are under this stress
What is Tension?
Why the 2004 Indian Ocean Earthquake was so deadly.
Huge Earthquake (9.2) creating massive Tsunamis that with no warning systems.
On the magnitude moment scale, the increase in the amount of energy released from between an 7.2 and a 9.2 earthquake is
What is 900 Times?
These light bulbs are less of a fire risk than incandescent bulbs.
What is fluorescent?
The type of faulting that would be most likely to occur along transform faults.
What are Strike-Slip faults?
The waves that do the most damage in an earthquake
What are Surface Waves?
Measures an earthquake's intensity based on the observed effects on people and structures.
What is the Mercalli Scale?
The largest recorded earthquake was how large on the Moment Magnitude Scale?
What is 9.5?
Where a rock fractures but neither side moves
What is a joint?
A major US earthquake which did not occur at a plate boundary.
What is the 1812 New Madrid Earthquake.
The Moment Magnitude Scale measures what about an earthquake?
What is the amount of energy released by it?
When sediments become like quicksand due to earthquake vibrations they have undergone
What is Liquefaction?