What tools do Volcanologists use to study volcanoes?

Photograph of a tiltmeter courtesy of U.S. Geological Survey.

Volcanologists use many different kinds of tools including instruments that detect and record earthquakes (seismometers and seimographs), instruments that measure ground deformation (EDM, Leveling, GPS, tilt), instruments that detect and measure volcanic gases (COSPEC), instruments that determine how much lava is moving underground (VLF, EM-31), video and still cameras, infrared cameras and cameras that work remotely, etc!

Click here for more information on Volcano Monitoring Techniques from VW!

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