Question
Developed 1953l based on maximum amplitude of earthquake waves recorded on a Wood Anderson Seismograph
Answer
Richter Magnitude Scale
Natural Disasters
A fan shaped deposit of sand and gravel at the mouth of a mountain canyon where the stream gradient flattens at main valley floor
Question
A fan shaped deposit of sand and gravel at the mouth of a mountain canyon where the stream gradient flattens at main valley floor
Answer
Alluvial Fan
The total area inundated by the tsunami
Question
The total area inundated by the tsunami
Answer
Run-out distance
A ground depression caused by collapse into an underground cavern
Question
A ground depression caused by collapse into an underground cavern
Answer
Sinkhole
Volcanic dome composed of rhyolite and rhyodacite
Question
Volcanic dome composed of rhyolite and rhyodacite
Answer
Rhyolite Dome
Form as sediment is deposited in the slower waters on the inside of the meander bends
Question
Form as sediment is deposited in the slower waters on the inside of the meander bends
Answer
Point bar
The number peaks per second
Question
The number peaks per second
Answer
Frequency
Record local and very strong earthquakes
Question
Record local and very strong earthquakes
Answer
Strong-motion Seismograph
A measure of the total energy expended during an earthquake; depends on its seismic moment determined by: rock shear strength, area of rock, average slip distance offset across the
Question
A measure of the total energy expended during an earthquake; depends on its seismic moment determined by: rock shear strength, area of rock, average slip distance offset across the
Answer
Moment Magnitude
A landslide in which the mass rotates as it slides on a basal slip surface
Question
A landslide in which the mass rotates as it slides on a basal slip surface
Answer
Rotational Slide