P Wave And S Wave Travel Time Question Preview (ID: 45910)

Use Your Earth Science Reference Tables When Needed.

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

A strong earthquake that occurs on the ocean floor could result in the formation of
a) an ocean current
b) an El NiƱo 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

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 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

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

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

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

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

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

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