Richter Scale
The scale that measures the strength of an earthquake based on seismic waves and movement along a fault is called the ____________ scale.
Description | Match: |
A force that acts on rock to change its shape or volume is called | stress |
Which type of seismic wave arrives first at a seismograph? | P Waves |
An upward fold in rock formed by compression of Earth's crust. | anticline |
Thepoint beneath Earth's surfacewhere the crust breaks and triggers an earthquake is called the | focus |
Which stress force pulls on the crust and stretches rock? | tension |
A break in the crust where slabs slip past each other is a | fault |
An instrument used to measure and record ground movements during an earthquake is called a | seismograph |
What process occurs when an earthquake's shaking turns loose soil into mud? | liquefaction |
What type offault forms when the hanging wall moves upward past the footwall? | reverse fault |
The type of stress force that produces a strike slip fault is | shearing |
Compression, tension, and shearing are three types of | stress |
What is a large area of flat land that is elevated high above sea level? | plateau |
The measurement of an earthquake's strength based on seismic waves and movement along faults. | Magnitude |
What is the point on Earth's surface directly above an eathquake's focus is called the.... | epicenter |
Water displaced by an undersea earthquake may produce.... | tsunami |
A downward fold in rock formed by compression in Earth's crust. | syncline |
What is the type of stress that pushes masses of rock sideways in opposite directions is | shearing |
What waves arrive at a seismograph after the P Waves? | S Waves |
An earthquake that occurs after a larger earthquake in the same area. | aftershock |
A type of seismic wave that forms when P waves and S waves reach Earth's surface. | Surface Waves |
Tension creates what kind of fault? | Normal Fault |
Compression creates what kind of fault? | Reverse Fault |
Shearing creates what kind of fault? | Strike-Slip Fault |
The scale that measures the strength of an earthquake based on seismic waves and movement along a fault is called the ____________ scale. | Richter Scale |
What kind of plate boundary is a reverse fault found? | Convergent Boundary |