Earthquake location is one of the most basic and important activities in seismology. Hypocentral location is a complex topic that involves technical difficulties such as the reliability of absolute time at seismographs, observational difficulties such as the picking of arrival times, and theoretical difficulties such as error estimates in nonlinear inverse theory. Even so, earthquake location is such a fundamental topic that we want students to do exercises in epicenter location. While there are many resources available for the (S-P) method of epicentral determination, this column discusses a new addition to the EduQuakes online lab manual which shows...

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