Tie breaker (group 1 )
TRUE OR FALSE: The most active Earthquake zone is the Alpide Belt?
FALSE
TREU/FALSE : S-Waves are the fastest moving Earthquake waves.
FALSE - P-WAVES
TRUE/FALSE: A fold is a structure that forms when ricks bend or buckle under great force?
TRUE
The most active earthquake zone
Circum-Pacific Belt
Earthquake zone that stretches from Northern Africa, through Souther Europe and Asia , to Indonesia
Alpine Belt
Earthquake zone that includes the San Andreas Fault
Circum-Pacific Belt
what is the most famous scale used to measure earthquake strength?
a. Modified mercalli scale
b. Moment magnitude scale
c. Richter magnitude scale
d. SAFOD strength scale
C. Richter magnitude scale
The point on Earth where the earthquake begins in the?
Hypocenter
What are the slowest type of Earthquake waves?
Surface Waves
The place on the earths surface directly above where an earthquake begins is the _______?
Epicenter
Which measurement of earthquake strength is based on an earthquakes effect on people and buildings?
a. Modified mercalli scale
b. Moment magnitude scale
c. Richter magnitude scale
d. SAFOD scale
A. Modified Mercalli Scale
The sudden movement of rock masses as a result of tectonic earthquakes is called?
Faulting
What major strike-slip fault exists in Western California?
San Andreas Fault
The system that detects earthquake waves and automatically sends out a warning is a ___________ system.
Earthquake Early Warning System
How can scientist use earthquake waves to analyze the earths structure?
By measuring how different types of earthquake waves are absorbed or refracted by materials within the earth.
The idea that rocks on either side of a fault spring back to a position of little or no strain at the moment of an earthquake, causing vibrations in the earths crust, is the __________ theory.
P-wave theory
A seismologist studies a seismogram and sees a straight line with tiny deflections. What conclusion is he most likely to make?
A. A tremor took place
B. The seismograph needs to be placed on a level surface
C. The delfections are the result of background noise
D. An earthquake may occur in the approaching hours.
C. The defections are the result of background noise