VOLUME 4 - 1994

The 1991-1993 Etna eruption

L. Villari Editor
Special Issue
Contents

S. Calvari, M. Coltelli, M. Neri, M. Pompilio, V. Scribano: The 1991-1993 Etna eruption: chronology and lava flow-field evolution

1

P. Armienti, R. Clocchiatti, M. D´Orazio, F. Innocenti, R. Petrini, M. Pompilio, S. Tonarini, L. Villari: The long-standing 1991-1993 Mount Etna eruption: petrography and geochemistry of lavas 

15

M. Treuil, J. L. Joron: Etude geochimique des elements en traces dans les laves emises au cours de l´eruption 1991-1993 de l´Etna. Mise en evidence des contributions de la source, de la fusion partielle, de la differenciation et des modalites de transfert des magmas

29

D. Patanè, E. Privitera, F. Ferrucci, S. Gresta: Seismic activity leading to the 1991-1993 eruption of Mt. Etna and its tectonic implications  

47

R. Napoli, F. Ferrucci, S. Gresta: Polarization of tremor wavefield at Mount Etna and some open questions on type and dynamics of the source: companson between the 1989 and 1991-1993 eruptions 

57

S. Falsaperla, E. Privitera, S. Spampinato, C. Cardaci: Seismic activity and volcanic tremor related to the December 14, 1991 Mt. Etna eruption 

63

S. Alparone, O. Pellicori, A. Ursino, F. Ferrucci, S. Gresta, L. Guerra: Shallow microseismic swarms and intrusive mechanisms at Mount Etna: 1989-1991 

75

B. A. Chouet, P. B. Dawson, S. Falsaperla, E. Privitera: A characterization of long-period events recorded during the eruptive activity of Mount Etna. Italy, in 1992 

81

A. Bonaccorso, R. Velardita, L. Villari: Ground deformation modelling of geodynamic activity associated with the 1991-1993 Etna eruption 

87

J. B. Murray: Elastic model of the actively intruded dyke feeding the 1991 1993 eruption of Mt. Etna, derived from ground deformation measurements 

97

G. Nunnari, G. Puglisi: Ground deformation studies during the 1991-1993 Etna eruption using GPS data

101

H. Rymer, G. Brown, F. Ferrucci, J. B. Murray: Dyke intrusion mechanisms on Etna 1989-1993 and microgravity precursors to eruption

109

C. Budetta, C. Del Negro, M. Grimaldi: Microgravity monitoring of the 1989 SSE Etna fracture 

115

R. Di Maio, D. Patella: Self-potential anomaly generation in volcanic areas. The Mt. Etna case-history 

119

E. Bozzo, M. Coltelli, S. Lombardo, F. Merlanti, L. Tabacco : Geoelectromagnetic survey on the lava tube of the 1991-1993 Etna eruption 

125

B. Badalamenti, G. Capasso, L. Carapezza, W. D´Alessandro. F. Di Gangi, L. S. Diliberto, S. Giammanco, S. Gurrieri, P. M. Nuccio, F. Parello, M. Valenza: Soil gases investigations during the 1991-1993 Etna eruption 

135

N. Bruno, T. Caltabiano, M. F. Grasso, .M Porto, R. Romano: SOflux From Mt. Etna volcano during the 1991-1993 eruption: correlations and considerations 

143

M. Dall´Aglio, F. Pagani, F. Quattrocchi: Geochemistry of the groundwaters in the Etna region before and after the paroxysmal phase oE the eruption of December 1991: implications for the geochemical surveillance ot Mt. Etna 

149

F. Barberi, L. Villari: Volcano monitoring and civil protection problems during the 1991-1993 Etna eruption

157

S. Di Palma, F. Drago, E. Galant, L. V. Pennisi: Earthen barriers and explosion tests to delay the lava advance: the 1992 Mt. Etna experience 

167

R. Vassale: The use of explosive Eor the diversion of the 1991 Mt. Etna lava flow

 

173

 

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