What are the following countries or nations?
The distance of the seismic recording station from the earthquake epicenter is determined from the time difference between the first arrival of the P-wave and the S-wave. This is known as the S-P interval.
Answer:
<em>Exoplanets are planets that are out of the solar system. The first possible evidence of an exoplanet was noted in 1917, but was not recognized as such. The first confirmation of detection occurred in 1992. </em>
It is an important port in oil trade.
Hope this helps!