Reference : Single station monitoring of volcanoes using seismic ambient noise
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
http://hdl.handle.net/10993/28208
Single station monitoring of volcanoes using seismic ambient noise
English
De Plaen, Raphaël mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Lecocq, Thomas []
Caudron, Corentin []
Ferrazzini, Valérie []
Francis, Olivier mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
2016
Geophysical Research Letters
American Geophysical Union
Yes (verified by ORBilu)
International
0094-8276
1944-8007
Washington
DC
[en] Seismic ambient noise cross correlation is increasingly used to monitor volcanic activity. However, this method is usually limited to volcanoes equipped with large and dense networks of broadband stations. The single station approach may provide a powerful and reliable alternative to the classical “cross-stations” approach when measuring variation of seismic velocities. We implemented it on the Piton de la Fournaise in Reunion Island, a very active volcano with a remarkable multi-disciplinary continuous monitoring. Over the past decade, this volcano was increasingly studied using the traditional cross-correlation technique and therefore represents a unique laboratory to validate our approach. Our results, tested on stations located up to 3.5 km from the eruptive site, performed as well as the classical approach to detect the volcanic eruption in the 1-2 Hz frequency band. This opens new perspectives to successfully forecast volcanic activity at volcanoes equipped with a single 3-component seismometer.
http://hdl.handle.net/10993/28208
10.1002/2016GL070078
http://onlinelibrary.wiley.com/doi/10.1002/2016GL070078/abstract

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