Simultaneous seismic wave clustering and registration

Authors:
G. Adelfio;M. Chiodi;A. D'Alessandro;D. Luzio;G. D'Anna;G. Mangano
Affiliations:
Dipartimento di Scienze Statistiche e Matematiche "S. Vianelli", Universití degli Studi di Palermo, viale delle Scienze ed. 13, 90128 Palermo, Italy;Dipartimento di Scienze Statistiche e Matematiche "S. Vianelli", Universití degli Studi di Palermo, viale delle Scienze ed. 13, 90128 Palermo, Italy;Istituto Nazionale di Geofisica e Vulcanologia, Centro Nazionale Terremoti, Italy;Dipartimento di Scienza della Terra e del Mare, Universití degli Studi di Palermo, Italy;Istituto Nazionale di Geofisica e Vulcanologia, Centro Nazionale Terremoti, Italy;Istituto Nazionale di Geofisica e Vulcanologia, Centro Nazionale Terremoti, Italy
Venue:
Computers & Geosciences
Year:
2012

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Abstract

In this paper we introduce a simple procedure to identify clusters of multivariate waveforms based on a simultaneous assignation and alignment procedure. This approach is aimed at the identification of clusters of earthquakes, assuming that similarities between seismic events with respect to hypocentral parameters and focal mechanism correspond to similarities between waveforms of events. Therefore we define a distance measure between seismic curves in R^dd=1, in order to interpret and better understand the main features of the generating seismic process.