GEO3030 living with earthquakes
Terms in this set (51)
How many seismic stations are needed to uniquely locate an earthquake epicenter?
Which of the following is associated with the most of Earth's major earthquakes?
faulting of rock
The epicenter of an earthquake is
a point on Earth's surface directly above the break
Strike-slip fault motion is:
from a seismogram, the distance to an earthquake can be determined by measuring:
the difference in the arrival times of the P and S waves
The maximum amplitude of a seismic wave from a magnitude 6 earthquake will be how many times greater than that for a magnitude 4 earthquake?
The highest mountains on Earth are produced at the site of:
colliding continent - continet plates
The Andes are an example of a:
The vast majority of the world's earthquakes occur:
at plate boundaries
Which of the following is the most important hazard posed by most earthquakes?
The Salt Lake Valley poses an earthquake hazard because of:
unconsolidated sediment and shallow water table, which may cause liquefaction
In Middle Eastern countries such as Iran and Iraq, many deaths have been caused by earthquakes mainly because of:
collapse of mud-brick and unreinforced concrete houses
Potentially damaging earthquakes (magnitude greater than 5.5 occur somewhere in the Wasatch front roughly every:
Which is not true about the Basin and Range province,
the crust is unusually brittle
The Bam earthquake which killed 26,200 people, and injured 30,000
occurred in Iran
Average recurrence interval for large earthquakes somewhere on the Wasatch Fault is :
about 400 years
Motion along the Wasatch fault:
lowers the Salt Lake valley and raises the Wasatch Mountains
Successful short-term earthquake prediction saved many lives in which earthquake?
Abnormal behavior of animals is thought to be a earthquake precursor by:
some Chinese and Japanese scientists
within a few days before many large earthquakes
Pallett A: The next quake is predicted to occur in what year
2000 [1950 - 2050 ok]
Pallet B: How many years ago was the last earthquake?
159 [2016 - 1857 ok]
Pallet C: What percent of the previous intervals had recurrence intervals longer than the present one?
Pallet D: Assuming the longest recurrence interval, the next quake is predicted to occur in what year?
2132 (1857 plus 275)
Parkfield A: Average recurrence interval is how many years?
Parkfield B: Quake #7 was predicted to occur in what year?
1990 (1975 - 1995 ok)
Parafield C: How many years overdue was quake #7?
14 (9 - 29 ok)
Parafield D: what is the time interval between quake #6 and the 2004 quake ?
Parkfield E: What was the longest previous recurrence interval?
The great 2004 Indian Ocean earthquake was associated with what kind of plate tectonic process:
The 2 plates associated with the great 2004 Indian Ocean earthquake were
Indo- Australia and Eurasian
The tsunami resulting from the great 2004 Indian Ocean earthquake was caused by:
the overriding plate snapping back and displacing a large volume of sea water
Worldwide, the number of deaths associated with the great 2004 Indian Ocean tsunami was
more than 200,000
The direct cause of most deaths with the great 2004 Indian Ocean earthquake was:
drowning in the tsunami
Relief to local victims associated with this great 2004 Indian Ocean earthquake came from:
around the world
Why did the 2004 tsunami end up being so devastating to people in Indonesia?
no tsunami warning system existed in the Indian Ocean
What caused the 1946 tsunami
uncertain, possibly an earthquake
What may cause a major future tsunami in the Canary Islands?
Landslide, possibly triggered by volcanic eruption or earthquake
What caused the tsunami in Australia
What caused the tsunami in Thera, Greece
What caused the tsunami in Cascadia,NW U.S.
What caused the tsunami in Krakatoa
What caused the tsunami in Lituya Bay
What caused the tsunami in Chile
What caused the tsunami in Indonesia Ocean 2004
Your measurement of the time interval between S & P arrivals at station CAN is:
6.7 (6.5 - 6.9)
Your measurement of the time interval between S & P arrivals at station QUE is:
7.5 (7.4 - 7.8)
Your measurement of the time interval between S & P arrivals at station PEK is:
7[6.8 - 7.2]
Your measurement of the distance from the quake to each of station CAN is:
4800 [4600 - 5000]
Your measurement of the distance from the quake to each station QUE is
Your measurement of the distance from quake to each of station PEK is:
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