Figure 1: (Top Left) The great Sumatra earthquake of December 26, 2004 (magnitude 9.0) recorded by an AS1 seismograph operating in a classroom at Garfield Elementary School in Brighton, MA. (Top Right) The magnitude 7.6 earthquake in Pakistan that occurred on October 8, 2005 recorded by an AS1 seismograph operating at the "Living Lab" (a science program for K-5 students operated by the Westford, MA Public Schools). (Bottom) The magnitude 6.7 earthquake that occurred in Chile on April 30, 2006 recorded by an AS1 seismograph operating at Sea Lab (a science education center of the New Bedford, MA Public Schools). Although the signal from this earthquake is weak, it is definitely observable on the seismogram (dark arrow).