If a seismograph shows only p waves what does that tell scientists about the location of the earthquake in relation to the location of the seismograph

Hope this helps you, 

Earthquakes are being recorded by the use of a seismograph. If a seismograph detects p waves it means that the shaking is in the earth’s interior and is not yet felt in the surroundings. It is the kind of wave that dogs can feel before an earthquake happens. 

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.