Articles | Volume 16, issue 11
Nat. Hazards Earth Syst. Sci., 16, 2443–2453, 2016
Nat. Hazards Earth Syst. Sci., 16, 2443–2453, 2016

Research article 28 Nov 2016

Research article | 28 Nov 2016

Modeling ground deformation associated with the destructive earthquakes occurring on Mt. Etna's southeastern flank in 1984

Flavio Cannavò et al.

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Cited articles

Aki, K.: Generation and propagation of G waves from Niigata earthquake of June 16, 1964, II, Estimation of earthquake moment, released energy, and stress-strain drop from the G wave spectrum, Bull. Earthquake Res. Inst. Univ. Tokyo, 44, 73–88, 1966.
Allard, P., Behncke, B., D'Amico, S., Neri, M., and Gambino, S.: Mount Etna 1993–2005: anatomy of an evolving eruptive cycle, Earth-Sci. Rev., 78, 85–114,, 2006.
Aloisi, M., Bonaccorso, A., and Gambino, S.: Imaging compositive dike propagation (Etna, 2002 case), J. Geophys. Res., 111, B06404,, 2006.
Alparone, S. and Gambino, S.: High precision locations of multiplets on south-eastern flank of Mt. Etna (Italy): reconstruction of fault plan geometry, Phys. Earth Planet. Int., 135, 281–289, 2003.
Alparone, S., Cocina, O., Gambino, S., Mostaccio, A., Spampinato, S., Tuvè, T., and Ursino, A.: Seismological features of the Pernicana-Provenzana fault system and implications for the dynamics of northeastern flank of the volcano, J. Volcanol. Geotherm Res., 251, 16–26,, 2013a.
Short summary
In 1984, several seismic events, caused one fatality, 12 injuries and produced serious damage in eastern flank of Mt. Etna. We inverted ground deformation (EDM) data finding that in 1980–84 period, the Fiandaca Fault was affected by a strike slip and normal dip slip of ca. 20.4 and 12.7 cm. This is consistent with field observations (ground ruptures) but it it is notably large compared to displacements estimated by seismicity, then suggesting that most of most of the slip was aseismic.
Final-revised paper