P Wave And S Wave Travel Time Question Preview (ID: 45910)
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How long will it take for the first S-Wave to arrive at a seismic station 4,000 km away from the epicenter of an earthquake?
a) 5:40
b) 7:00
c) 12:40
d) 13:20
The epicenter of an earthquake was 6,000 km away from a seismic station. What is the difference in travel time for the P-Waves and S-Waves?
a) 7:35
b) 9:20
c) 13:10
d) 17:00
What information can be determined using a single seismogram recording from an earthquake?
a) depth of the earthquake's focus
b) direction to the earthquake's focus
c) location of the earthquake's epicenter
d) distance to the earthquake's epicenter
An earthquake occurs at 10:05:00 a.m. At 10:09:00 a.m., the first P-wave from this earthquake is detected at a seismic station. Approximately how many kilometers from the epicenter is this seismic station located?
a) 1000
b) 2000
c) 2600
d) 5400
The first P-wave of an earthquake travels 5600 kilometers from the epicenter and arrives at a seismic station at 10:05:00 a.m. At what time did this earthquake occur?
a) 9:49:00 a.m.
b) 9:56:00 a.m.
c) 10:02:00 a.m.
d) 10:14:00 a.m
A seismic station recorded the P-waves, but no S-waves, from an earthquake because S-waves were
a) absorbed by Earth's outer core
b) transmitted only through liquids
c) weak and detected only at nearby locations
d) not produced by this earthquake
What is the approximate P-wave travel time from an earthquake if the P-wave arrives at the seismic station 8 minutes before the S-wave?
a) 4 minutes 20 seconds
b) 6 minutes 30 seconds
c) 10 minutes 0 seconds
d) 11 minutes 20 seconds
A strong earthquake that occurs on the ocean floor could result in the formation of
a) an ocean current
b) an El Niño event
c) a delta
d) a tsunami
Through which materials can P-waves travel?
a) solid rock, only
b) magma and water, only
c) magma, water, and natural gas, only
d) solid rock, magma, water, and natural gas
Which scale used for measuring earthquakes is based on recordings of the shaking produced by a seismograph?
a) the mercalli scale
b) the Fujita Scale
c) The Ellis Scale
d) The Richter Scale
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