![](http://www.alamy.com/thumbs/6/99A106F1-BACD-4140-A743-8C3BF62895A8/DAGF0Y.jpg)
Seismograph
Seismograph
Size: 7091px × 5400px
Location: NYC
Photo credit: © Steve Hellerstein / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: detector, earth, earthquake, earthquakes, eruption, eruptions, lie, movement, movements, plate, plates, polygraph, quake, quakes, seismic, seismograph, seismographs, seismologist, seismometer, seismometers, seismometry, seismoscope, seismoscopes, sensor, sensors, tectonic, volcanic, volcano, wave, waves