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20 questions
A p-wave traveled for 3200 km to reach a seismic station. How long had it traveled for?
00:01:60
00:04:50
00:10:40
00:05:50
An earthquake occurs 6800 km from the seismic station which recorded the p and s-waves recordings. What was the time difference between the arrival times of the p and s-waves?
00:10:10
00:08:20
00:18:40
00:014:40
If the p-waves arrive at 03:22:43 and the s-waves arrive at 03:29:57, what is the time difference between their arrivals?
00:14:07
00:07:14
03:07:14
00:07:00
The p-waves of an earthquake arrived at a seismic station at 08:55:50 and the s-waves arrived at 09:03:40. What is the distance to the epicenter from this seismic station?
4700 km
6100 km
2200 km
750 km
The difference in P and S wave arrival times at a seismic station is 8 minutes. What is the distance to the epicenter?
2,200 km
6,300 km
6,600 km
4,600 km
What will be the distance traveled by a P wave in 3 minutes?
700 km
1,200 km
1,400 km
5,400 km
How long does it take for the P wave to travel 2000 km?
1900 km
4 minutes
7 minutes and 20 seconds
4000 km
How far does a S wave travel in 10 minutes?
23 min and 10 seconds
3,000 km
6,600 km
6,300 km
What happens to the time difference between primary and secondary was as the distance traveled gets longer?
time time difference remains the same
the time differences increases
the time difference decreases
the time difference increases than decreases
The difference in arrival times for the P and S wave was 4 minutes and 30 seconds. How far away is the Earthquake?
8000 km
2300 km
1,100 km
3200 km
What is the minimum amount of seismic stations needed to locate the epicenter of an Earthquake?
1
2
3
4
The magnitude of an earthquake is a number that represents the
arrival time of the first P-wave
difference in arrival times between P- and S-waves
distance to the epicenter
energy released by an earthquake
Earthquake S-waves do not pass through which two interior Earth layers?
rigid mantle and asthenosphere
asthenosphere and stiffer mantle
stiffer mantle and outer core
outer core and inner core
A seismic station is 5000 kilometers from the epicenter. What is the difference between the arrival time of the first P-wave and the arrival time of the first S-wave recorded at this station?
2 minutes 20 seconds
6 minutes 40 seconds
8 minutes 20 seconds
15 minutes 00 second
A P-wave takes 5 minutes to travel from the epicenter of an earthquake to a seismic station. Approximately how many minutes will it take an S-wave to travel that same distance?
2 minutes
4 minutes
6 minutes
9 minutes
The epicenter of an earthquake is located 6,500 kilometers away from a seismic station. If the first S-wave arrived at this seismic station at 1:30 p.m., at what time did the first P-wave arrive?
1:19 pm
1:22 pm
1:38 pm
1:41 pm
What is the approximate time difference between the first P-wave and the first S-wave recorded at a seismic station located 8000 kilometers from an earthquake's epicenter?
8 minutes 00 seconds
9 minutes 20 seconds
10 minutes 40 seconds
12 minutes 20 seconds
What type of boundary is found at the San Andreas Fault?
Convergent
Divergent
Transform
Morrillgent
The Aleutian Islands extend westward from southern Alaska to form the northern boundary of the Pacific Ocean. These volcanic islands were formed by the nearby
subduction of a continental plate
subduction of an oceanic plate
divergence of a continental plate
divergence of an oceanic plate
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