During an earthquke do you think the seismic waves reach entire portion of the earth

Question

Look at figure During an earthquake, do you think the seismic waves reach entire portion of the earth? Is there any region on the Earth's surface where a given earthquake will not be reported?

Answer 1

It's the shadow zone of P-waves and S-waves where the seismic waves do not reach. No there is no region on the earth's surface where a given earthquake is not reported.