The two behaviours of Mt. Etna Volcano before and after a large intrusive episode: Evidences from b value and fractal dimension of seismicity
Article first published online: 7 DEC 2012
Copyright 2001 by the American Geophysical Union.
Geophysical Research Letters
Volume 28, Issue 11, pages 2257–2260, 1 June 2001
How to Cite
- Issue published online: 7 DEC 2012
- Article first published online: 7 DEC 2012
- Manuscript Accepted: 5 MAR 2001
- Manuscript Received: 3 OCT 2000
Seismic activity of Mt. Etna volcano has been investigated by analysing time-spatial fractal dimensions and the b value of the Gutenberg-Richter's law relatively to two differing eruptive style periods, i.e. 1983–1988 and 1993–1996. The obtained results evidence two different volcano stress conditions before and after the large intrusive episode occurred during the time span 1989–1992. Fractal dimensions and the b value seem to be a promising tool to understand the internal current state of the volcano, allowing to evaluate the short-middle term volcanic hazard.