Toward Forecasting Volcanic Eruptions using Seismic Noise

  title={Toward Forecasting Volcanic Eruptions using Seismic Noise},
  author={Florent Brenguier and Nikolai M. Shapiro and Michel Campillo and Val{\'e}rie Ferrazzini and Zacharie Duputel and Olivier Coutant and Alexandre Nercessian},
During inter-eruption periods, magma pressurization yields subtle changes of the elastic properties of volcanic edifices. We use the repro ducibility properties of the ambient seismic noise recorded on the Piton de la Fourn aise volcano to measure relative seismic velocity variations of less than 0 .1 % with a temporal resolution of one day. Our results show that five studied volc anic eruptions were preceded by clearly detectable seismic velocity decre ases within the zone of magma injection… CONTINUE READING
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Pride,Hydrogeophysics(Water Science and Technology Library

  • S R.
  • 2005

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