This seismogram shows a 24-hour record of how much the ground moves at Weston Observatory in Weston, Massachusetts. Viewing other seismic stations will show you how much the ground moves in those ...

Seismographs in Virginia picked up the magnitude 7.6 earthquake in the Cayman Islands Saturday evening. The large quake hit the western Caribbean at 6:23 p.m., prompting a tsunami advisory for ...