Determine the determine the distance from each of the four seismograph stations to the ploeter o by proportion, using the lag time value to 100 miles that you obtained m ortem recording station calculated distance (milesy los angeles: san francisco albuquerque: salt lake city 4. on the base map of the western united states (figure 4). draw circles or arcs with a compass, locating the needle po of the four stations, with each radius corresponding to the calculated distance (use the graphic scale on the map toe measurement). e where is the epicenter located? j new me los mgeles. between what cities shown on the map? between los angeles and which city is the earthquake epicenter closes to, and how far? it is closest to 5. considering the cause of earthquakes discussed during lecture, what major structural feature is probably related to this earthquake? the san andreas fault is related to this earthquake. 6. the time at which the p-wave arrived at each of the four stations is shown on the seismograph record (problem 1). did the earthquake actually occur? show how you obtained your answer.