In your Virtual Seismologist activity, you had to take some steps before you could calculate the distance to the epicenter from your seismograph stations. What was the first thing you had to do? Group of answer choices Calculate the magnitude of the earthquake Examine the reaction of cats at various seismic monitoring stations, as measured and standardized using the official USGS Cat Freak Out Scale Measure the difference between the p-wave arrival time and the s-wave arrival time Calculate the distance that seismicity can be detected at particular magnitudes Examine the difference in strength between the Love and Rayleigh waves