 GPS allows geologists to chart ground shifts without use of laser-ranging devices.  Interferometric synthetic aperture radar- satellites zap radar signals.

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Presentation transcript:

 GPS allows geologists to chart ground shifts without use of laser-ranging devices.  Interferometric synthetic aperture radar- satellites zap radar signals to earth’s surface and shows how it bounces back  Digital cameras connected to wireless computers monitir the volcanoes  Spiderlike robots used by NASA goes in to craters to collect research

 New digital seismometers are more sensitive than precursors  New machines are not in Mt. St. Helens, but are in Califonia for earthquakes  Costs $20,000 for 1 presiscion GPS unit  One of the units placed near the volcano was lost along with a seismometer  It’s more accurate than consumer GPS devices, is smaller, and can powered by solar panels and batteries

Is it worth it? Where should they be put? Who should have to pay for the research/ equipment? How will it help in the future to predict volcanoes? How is this information beneficial?