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- 1. Multiple Choice
A seismic station recorded the P-waves, but no S-waves, from an earthquake because S-waves were
absorbed by Earth's outer core
transmitted only through liquids
weak and detected only at nearby locations
not produced by this earthquake
- 2. Multiple Choice
A seismic station recorded the P-waves, but no S-waves, from an earthquake because S-waves were
absorbed by Earth's outer core
transmitted only through liquids
weak and detected only at nearby locations
not produced by this earthquake
- 3. Multiple Choice
Seismic station A 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
- 4. Multiple Choice
If a seismic station is 3200 km from an earthquake epicenter, which is the time needed for an S-wave to travel from the epicenter to the seismic station?
4 min 40 sec
6 min 0 sec
10 min 40 sec
11 min 10 sec
- 5. Multiple Choice
How long after receiving the first P-wave from an earthquake centered 4000 kilometers away does a seismic station receive its first S-wave from the same earthquake?
1 minute
5 minutes 35 seconds
7 minutes
12 minutes 40 seconds
- 6. Multiple Choice
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?
15 min
12 min
9 min
4 min
- 7. Multiple Choice
Which statement best explains why only one type of seismic wave was recorded at location B?
S-waves cannot travel through the liquid inner core
P-waves cannot travel through the solid outer core
P-waves cannot travel through the solid inner core.
S-waves cannot travel through the liquid outer core
- 8. Multiple Choice
An earthquake occurs at 10:05 a.m. At 10:09 a.m., the first P-wave from this earthquake is detected at a seismic station. Approximately how many kilometers (km) from the epicenter is this seismic station located?
1000 km
2000 km
2600 km
5600 km
- 9. Multiple Choice
A seismic P-wave is recorded at 2:25 p.m. at a seismic station located 7600 kilometers from the epicenter of an earthquake. At what time did the earthquake occur?
2:05 pm
2:11 pm
2:14 pm
2:36 pm
- 10. Multiple Choice
A seismograph station recorded the arrival of the first P-wave at 7:32 p.m. from an earthquake that occurred 4000 kilometers away. What time was it at the station when the earthquake occurred?
7:20 pm
7:25 pm
7:32 pm
7:39 pm
- 11. Multiple Choice
The seismogram recorded at station A would show the
arrival of P-waves, only
greatest difference in the arrival times of P-waves and S-waves
arrival of S-waves before the arrival of P-waves
earliest arrival time of P-waves
- 12. Multiple Choice
How long would it take for the first S-wave to arrive at a seismic station 4,000 kilometers away from the epicenter of an earthquake?
5 min 40 sec
7 min 0 sec
12 min 40 sec
13 min 20 sec
- 13. Multiple Choice
In 8 minutes, an earthquake P-wave travels a total distance of
2,100 km
4,700 km
6,600 km
11,300 km
- 14. Multiple Choice
The arrival time of the first earthquake P-wave at a seismograph station was 10:11:20 (hours:minutes:seconds). If the epicenter of the earthquake is 8000 km away, what was the approximate arrival time of the first S-wave from this earthquake?
10:02:00
10:09:20
10:20:40
10:32:00
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