This scale measures magnitude and each increase of 1 unit on the scale represents ten times the amount of ground motion recorded
What is the Richter Magnitude Scale?
100
A vent in Earth's crust through which molten rock flows
What are volcanoes
100
a large volcano with gentle slopes of basaltic lavas, common along divergent plate boundaries and oceanic hotspots
What are shield volcanoes
200
an instrument that measures and records ground motion and can be used to determine the distance seismic waves travel
What is a seismometer
200
Type of wave that travels through solids and liquids
What are P waves
200
This scale is used when reporting earthquake activity to the general public and begins at zero but there is no upper limit to the scale.
What is the Richter Magnitude Scale?
200
Tiny particles of pulverized volcanic rock and glass
What is volcanic ash
200
a small, steep-sided volcano that erupts gas-rich, basaltic lava
What is a cinder cone volcano
300
A crack or fracture in Earth's lithosphere along with one block of rock moves toward, away from or past another
What is a fault
300
Two blocks that slide horizontally past each other in the opposite direction.
Location:transform plate boundaries
What are Strike-slip faults
300
This scale measures the total amount of energy released by the earthquake
What is the Moment Magnitude Scale
300
A location where volcanoes form far from plate boundaries,
What is a hot spot
300
Scientist that study Earthquakes
What are seismologist
400
a graphical illustration of seismic waves
What is a seismogram
400
Fores pull two blocks of rock apart. The block above the fault moves down relative to the block of rock below the fault.
Location: divergent plate boundaries
What are Normal Faults
400
This scale measures earthquakes intensity based on descriptions of the Earthquake's effect on people and structures.
What is the Modified Mercalli Scale
400
Magma that erupts onto Earth's surface
What is lava
400
the location on Earth's surface directly above an earthquakes focus
What the epicenter
500
a location inside Earth where seismic waves originate and rocks first move along a fault and from which seismic waves originate
What is the focus
500
Forces push two blocks of rock together. The block of rock above the fault moves up relative to the block of rock below the fault.
Location: convergent plate boundaries
What are Reverse faults.
500
This scale evaluates the damage that results from shaking.
What is the Modified Mercalli Scale
500
molten rock stored beneath Earth's surface
What is Magma
500
a large, steep-sided volcano that results from explosive eruptions of andestic and rhyolitic lavas along a convergent plate