Above is an example seismogram from a famous 1989 earthquake in California recorded at a seismic station in Finland. Time is on
1 answer:
The S wave arrived at approximately 12 seconds while the P wave arrived at approximately 7 seconds.
<h3>How to calculate the distance?</h3>It should be noted that one can calculate the distance using the seismic travel time.
It can be deduced that the S wave arrived at approximately 12 seconds while the P wave arrived at approximately 7 seconds.
The time difference will be:
= 12 - 7
= 5
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Answer:
It is 42° higher for the observer at 12° north because of the differ- ence in latitude.
Explanation:
The sun's altitude can be given by the following formula:
In which S is the sun's altitude, L is the latitude of the place and D is the declination of the sun.
Since the comparasion occurs at the same day, the value of D will be the same for both cases, so it can be disconsidered in our calculation.
First observer
Second observer:
The correct answer is:
It is 42° higher for the observer at 12° north because of the differ- ence in latitude.