Article (Scientific journals)
Single station monitoring of volcanoes using seismic ambient noise
De Plaen, Raphaël; Lecocq, Thomas; Caudron, Corentin et al.
2016In Geophysical Research Letters
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Abstract :
[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.
Disciplines :
Earth sciences & physical geography
Author, co-author :
De Plaen, Raphaël ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Lecocq, Thomas
Caudron, Corentin
Ferrazzini, Valérie
Francis, Olivier  ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
External co-authors :
yes
Language :
English
Title :
Single station monitoring of volcanoes using seismic ambient noise
Publication date :
2016
Journal title :
Geophysical Research Letters
ISSN :
1944-8007
Publisher :
American Geophysical Union, Washington, United States - District of Columbia
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 19 August 2016

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