4. The origin time of an earthquake is 3:47:20 p. m. If the distance of a seismic station
away...
4. The origin time of an earthquake is 3:47:20 p. m. If the distance of a seismic station
away from the epicenter is 5,000 km, what time did the first P-waves arrive at this
station?
5. An earthquake's P-waves traveled 5,600 km and arrived at a seismic station at
7:45:00 p. m. At approximately what time did the earthquake occur?
6. An earthquake took place at 2:43:20 a. m. At what time would the P-waves reach a
seismic station 3,000 km away from the epicenter?
Class comments
7. The S-waves of an earthquake arrived at a seismic station 6,000 km away from the
epicenter at 6:23:00 p. m. What is the origin time of this earthquake?
8. The origin time of an earthquake is 11:16:00 a. m. If the distance of a seismic
station away from the epicenter is 4,600 km, what time did the first S-waves arrive at
this station?
Answers: 1
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