To figure out just where that earthquake happened, you need recordings from seismic stations in other places. Earthquake locations are normally done with a computer that can quickly determine the paths of seismic waves.
Steps to Locating the Epicenter of an Earthquake : 8 Steps - Instructables
Locating An Epicenter Lab Answer Key - Fill and Sign Printable Template Online
Lab 10 - Earthquake Epicenter Location
Supplemental - Locating Epicenters II
How can we locate the epicenter of an earthquake?
How Can I Locate the Earthquake Epicenter?
Epicenter and Focus (hypocenter) of an Earthquake- Incorporated Research Institutions for Seismology
Ohio Earthquake Epicenters Ohio Department of Natural Resources
Locating the epicenter of an earthquake lab answer key: Fill out
Activity 1 FIND THE CENTER, PDF, Seismology