Wireless Sensors Monitor Volcanic Activities
September 26th, 2004
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Several months ago, I wrote
about how wireless sensors were used to monitor glacier behavior. Now, for the first time, a wireless array of sensors has been deployed to monitor the eruptions of an active volcano in central Ecuador, the Tungurahua.

An international team of computer scientists and seismologists installed a small wireless network of five nodes to record 54 hours of continuous infrasound data transmitted over a 9 km wireless link back to a base station at the volcano observatory. As the results are very encouraging, and because these wireless sensors are very cheap, this installation will soon be duplicated to detect eruptions of other active volcanoes.

The team expects to deploy larger infrasonic arrays consisting of up to 50 nodes in the next six months either on Tungurahua or elsewhere in the world. Read more for other details, references and pictures.


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