When seismologists record arrival times of p waves and S waves at several seismograph stationsthey are looking for the earthquake's?

Seismologists record the arrival times of P waves (primary waves) and S waves (secondary waves) at multiple seismograph stations to determine the earthquake's epicenter and depth. The difference in arrival times between these two types of waves helps triangulate the location of the earthquake's origin. By analyzing data from at least three stations, they can pinpoint the earthquake's precise coordinates and assess its magnitude. This information is crucial for understanding the earthquake's impact and improving safety measures.