| Volumes and Issues Contents of Issue 4 Special Issue |
www.nonlin-processes-geophys.net/11/453/2004/
doi:10.5194/npg-11-453-2004
© Author(s) 2004. This work is licensed
under a Creative Commons License.
Characterization of Strombolian events by using independent component analysis
1Dipartimento di Matematica ed Informatica, Salerno University, via S. Allende, I-84081 Baronissi (SA), Italy
2Dipartimento di Fisica, Salerno University, via S. Allende, I-84081 Baronissi (SA), Italy
3INFM, unità di Salerno, via S. Allende, I-84081 Baronissi (SA), Italy
4INFN, gruppo collegato di Salerno, via S. Allende, I-84081 Baronissi (SA), Italy
Abstract. We apply Independent Component Analysis (ICA) to seismic signals recorded at Stromboli volcano. Firstly, we show how ICA works considering synthetic signals, which are generated by dynamical systems. We prove that Strombolian signals, both tremor and explosions, in the high frequency band (>0.5 Hz), are similar in time domain. This seems to give some insights to the organ pipe model generation for the source of these events. Moreover, we are able to recognize in the tremor signals a low frequency component (<0.5 Hz), with a well defined peak corresponding to 30s.
Full Article (PDF, 6372 KB) Special Issue
Citation: Ciaramella, A., De Lauro, E., De Martino, S., Di Lieto, B., Falanga, M., and Tagliaferri, R.: Characterization of Strombolian events by using independent component analysis, Nonlin. Processes Geophys., 11, 453-461, doi:10.5194/npg-11-453-2004, 2004. Bibtex EndNote Reference Manager XML
