Wild
The longest strike-slip fault in southern California is called the
What is the San Andreas Fault?
An instrument that simply detects earth waves is a
What is a seismometer?
How many days did Noah and his family spend on the ark?
What is 371?
A slipping of a fault, landslide, volcano eruption: All of these can cause an
What is an earthquake?
A geologist who studies the earth's movements and the structure of its interior is called a
What is an seismologist?
Professional-grade seismometers and seismographs are usually mounted on...
What is bedrock?
An ocean wave caused by an earthquake is called a
What is a tsunami?
Low-frequency shock waves traveling through the earth are called
What are earthquake waves?
One quake measures 6.0 on the Richter scale and another measures 7.0. How does the second quake's energy compare with that of the first?
What is 32 times more energy?
Tectonic plates that move toward each other at a boundary are called
What are converging plates?
Seismologists determine the distance to an earthquake from a seismic station by noting the
What is difference in arrival times of the seismic waves?
Seismologists need data from at least three seismic stations to pinpoint an earthquake's
What is epicenter?
Love and Rayleigh waves are known as
What are surface waves?
The first waves to arrive at a seismic station
What are P waves?
Tectonic plates that spread apart from each other are called
What are diverging plates?
These waves travel on the earth’s surface only and are more destructive. They are not required to determine an earthquake’s epicenter.
What are surface waves?
A crack in a rock where movement has occurred is called a
What is a fault?
A reverse fault is a type of
What is a dip-slip fault?
The second to arrive at a seismic station and are strongest and slowest body waves.
What are S waves?
The amount of strain that a rock can handle without breaking is related to its property of
What is elasticity?
Most faults in the US are found in ...
What are mountain ranges?
The angle that the face of a fault makes with the horizontal is its....
What is dip?
What are transform boundaries?
A device that detects changes in motion that can turn a personal computer into an earthquake warning instrument is called an
What is an accelerometer?
The type of stress that is most significant in causing earthquakes is
What is shear stress?