The point of origin of an earthquake is called its focus and the point on the earth's surface directly above the focus is the epicenter.
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Additionally, you will be required to determine the Richter Magnitude of that quake from the same recordings.
Richter Magnitude is an estimate of the amount of energy released during and earthquake.
Upon completion of this activity you will be given the opportunity to receive a personalized Certificate as a "Virtual Seismologist." Description: Geology Labs On-Line is a comprehensive project to develop Web-based lab activities that enhance the learning and teaching of Geology at the College and High School AP levels.
These "Virtual" labs are interactive where students learn by "doing" and not just clicking and viewing.
Currently, there are three activities on-line with an additional 8 in preparation.