Structural features of the July-August 2001 Mount Etna eruption: Evidence for a complex magma supply system

Journal of the Geological Society

Volumn 160, Issue 4, 2003, Pages 531-544

  Lanzafame, G ^a   Neri, M ^a   Acocella, V ^b   Billi, A ^b   Funiciello, R ^b   Giordano, G ^b  

^a ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA   (Italy)

^b ROMA TRE UNIVERSITY   (Italy)

Author keywords

Dykes; July August 2001 Eruption; Magmas; Mount Etna

Indexed keywords

DEFORMATION; DIKE; FRACTURE; MAGMA; SEISMICITY; VOLCANIC ERUPTION; VOLCANISM;

ITALY;

EID: 0042347717     PISSN: 00167649     EISSN: None     Source Type: Journal    
DOI: 10.1144/0016-764902-151     Document Type: Article

References (82)

1. BEHNCKE, B. & NERI, M. 2003. The July August 2001 eruption of Mt. Etna (Sicily). Bulletin of Volcanology, 10.1007/S00445-003-0274-i.
2. BIANCHI, F., CARBONE, S. & GRASSO, M. ET AL. 1987. Sicilia orientale: profilo geologico Nebrodi-Iblei. Memorie della Società Geologica Italiana, 38, 429-458.
3. BIANCO, F., CASTELLANO, M., MILANO, G. & VILARDO, G. 1996. Shear-wave Polarization alignment on the eastern flank of Mt Etna volcano (Sicily, Italy). Annali di Geofisica, 39(2), 429-443.
4. BILLI, A., ACOCELLA, V., FUNICIELLO, R., GIORDANO, G., LANZAFAME, G. & NERI, M. 2003. Mechanisms for ground-surface fracturing and incipient slope failure associated to the July-August 2001 eruption of Mt. Etna, Italy: analysis of ephemeral field data. Journal of Volcanology and Geothermal Research, 122, 281-294.
5. BONACCORSO, A., FERRUCCI, F., PATANÉ, D. & VILLARI, L. 1996. Fast deformation processes and eruptive activity at Mount Etna (Italy). Journal of Geophysical Research, 101, 17467-17480.
6. BONACCORSO, A., ALOISI, M. & MATTIA, M. 2003. Dyke emplacement forerunning the Etna July 2001 eruption modeled through continuous tilt and GPS data. Geophysical Research Letters, 10.1029/2001GLO14397.
7. BORGIA, A., FERRARI, L. & PASQUARE, G. 1992. Importance of gravitational spreading in the tectonic and volcanic evolution of Mount Etna. Nature, 357, 231-235.
8. BOTTARI, A., LO GUIDICE, E., PATANÉ, G., ROMANO, R. & STURIALE, C. E., G., Romano, R. & Sturiale, C. 1975. L'eruzione etnea del gennaio-marzo 1974. Rivista Mineraria Siciliana, 26(154-156), 175-198.
9. BOUSQUET, J.C. & LANZAFAME, G. 1986. Déformations compressives quaternaires au bord sud de l'Etna. Comples Rendus de l'Académie des Sciences, Série II. 303(3), 235-240.
10. BOUSQUET, J.C. & LANZAFAME, G. 2001. Nouvelle interprétation des fractures des éruptions latérales de l'Etna: conséquences pour son cadre tectonique. Bulletin de la Société Géologique de France, 172(4), 455-467.
11. BOUSQUET, J.C. & PHILIP, H. 1986. Neotectonics of the Calabrian arc and Apennines (Italy): an example of Plio-Quaternary evolution from islands arcs to collisional stage. In: WEZEL, C.F. (ed.) The Origin of Arcs. Elsevier, Amsterdam, 305-326.
12. BOUSQUET, J.C., LANZAFAME, G. & VILLARI, L. 1984. Les ruptures de surface liées a l'éruption du 28 mars 1983 de l'Etna (Sicile). Bulletin Volcanologique, 47, 895-907.
13. BOUSQUET, J.C., LANZAFAME, G. & PAQUIN, C. 1988. Tectonic stresses and volcanism: in-situ stress measurements and neotectonic investigations in the Etna area (Italy). Tectonophysics, 149, 219-231.
14. CALVARI, S., NERI, M. & PINKERTON, H. 2002. Effusion rate estimations during the 1999 summit eruption on Mt. Etna and growth of two distinct lava flow fields. Journal of Volcanology and Geothermal Research, 119, 107-123.
15. CARAPEZZA, M. 1962. Un esempio di eruzione laterale da faglia nell'apparato eruttivo etneo. Acta Geologica Alpina, 8, 249-276.
16. CAROZZO, M.T., CASENTINO, M., FERLITO, A., GIORGETTI, F., PATANE, G. & RIUSCETTI, M. 1975. Earthquakes and tectonics in Southern Italy. Ricerca Scentifica, 93, 216-231.
17. CHADWICK, W.W. & SWANSON, D.A. 1989. Thrust faults and related structures in the crater floor of Mount St. Helens volcano, Washington. Geological Society of America Bulletin, 101, 1507-1519.
18. CHADWICK, W.W., ARCHULETA, R.J. & SWANSON, D.A. 1988. The mechanics of ground deformation precursory to dome building extrusions at Mount St. Helens, 1981-1982. Journal of Geophysical Research, 93, 4351-4366.
19. COCINA, O., NERI, G., PRIVITERA, E. & SPAMPINATO, S. 1997. Stress tensor computations in the Mount Etna area (Southern Sicily) and tectonic implications. Journal of Geodynamics, 23, 109-127.
20. CORSARO, R.A., NERI, M. & POMPILIO, M. 2002. Paleo-environmental and volcano-tectonic evolution of the south-eastern flank of Mt. Etna during the last 225 ka inferred from volcanic succession of the «Timpe». Acireale, Sicily. Journal of Volcanology and Geothermal Research, 113, 289-306.
21. CRISTOFOLINI, R., LENTINI, F., PATANÈ, G. & RASÀ, R. 1979. Integrazione di dati geologici, geofisici, c metrologici per la stesura di un profilo crostale in corrispondenza dell'Etna. Bollettino della Società Geologica Italiana, 98, 239-247.
22. DELANEY, P.T., POLLARD, D.D., ZIONY, J.I. & MCKEE, E. 1986. Field relations between dykes and joints: emplacement processes and paleostress analysis. Journal of Geophysical Research, 91, 4920-4938.
23. DI GERONIMO, I., GHISETTI, F., LENTINI, F. & VEZZANI, L. 1978. Lineamenti neottettonici della Sicilia orientale. Memorie della Società Geologica Italiana, 19, 543-549.
24. DOGLIONI, C., INNOCENTI, F. & MARIOTTI, G. 2001. Why Mt Etna? Terra Nova, 13, 25-31.
25. DOWDEN, J.M., MURRAY, J. & KAPADIA, P. 1997. Changes in the stress regime and displacement field in the interior of Mount Etna deduced from surface observations. Tectonophysics, 269, 299-315.
26. FALSAPERLA, S., LANZAFAME, G., LONGO, V. & SPAMPANATO, S. 1999. Regional stress field in the area of Stromboli (Italy): insights into structural data and crustal tectonic earthquakes. Journal of Volcanology and Geothermal Research, 88, 147-166.
27. FERRARI, L., GARDUNO, V.H. & NERI, M. 1991. I dicchi della valle del Bove, Etna: un metodo per stimare le dilatazioni di un apparato vulcanico. Memorie della Società Geologica Italiana, 47, 495-508.
28. FERRUCCI, F., RASÀ, R., GAUDIOSI, S., AZZARO, R. & IMPOSA, S. 1993. Mt. Etna: a model for the 1989 eruption. Journal of Volcanology and Geothermal Research, 56, 35-56.
29. FRAZZETTA, G. & LANZAFAME, G. 1990. The NE and SE fracture system. In: BARBERI, F., BERTAGNINI, A. & LANDI, P. (eds) Mt. Etna: the 1989 Eruption, Giardini, Pisa, 23-29.
30. GARDUNO, V.H., NERI, M., PASQUARE, G., BORGIA, A. & TIBALDI, A. 1997. Geology of NE Rift of Mount Etna, Sicily (Italy). Acta Vulcanologica, 9, 91-100.
31. GHISETTI, F., SCARPA, R. & MEZZANI, L. 1982. Seismic activity, deep structures and deformation processes in the Calabrian arc, Southern Italy. Earth Evolution Sciences, 3, 248-260.
32. GILLOT, P.Y., KIEFFER, G. & ROMANO, R. 1994. The evolution of Mount Etna in the light of potassium-argon dating. Acta Vulcanologica, 5, 81-87.
33. GRESTA, S., LONGO, V. & VIAVATTENE, A. 1990. Geodynamic behaviour of eastern and western sides of Mount Etna. Tectonophysics, 179, 81-92.
34. GROPPELLI, G. & TIBALDI, A. 1999. Control of rock rheology of deformation style and slip-rate along the active Pernicana fault, Mt. Etna, Italy. Tectonophysics, 305, 521-537.
35. GVIRTZMAN, Z. & NUR, A. 1999. The formation of Mount Etna as the consequence of slab rollback. Nature, 401, 782-785.
36. HARRIS, A.J.L. & NERI, M. 2002. Volumetric observations during paroxysmal eruptions at Mount Etna: pressurized drainage of a shallow chamber or pulsed supply? Journal of Volcanology and Geothermal Research, 116, 79-95.
37. JACKSON, M.D., ENDO, E.T., DELANEY, P.T., ARNADOTTIR, T. & RUBIN, A.M. 1992. Ground ruptures of the 1974 and 1983 Kaoiki earthquakes, Mauna Loa Volcano, Hawaii. Journal of Geophysical Research, 97, 8775-8796.
38. KIEFFER, G. 1971. L'éruption d'avril, mai et juin 1971: déroulement, problèmes structuraux et conséquences morphologiques. In: Colloque de géomorphologie volcanique, Fontenay-aux-Roses, 2 octobre 1971. L'Eveil, Le Puy, 2. Institut de Géographic de Clermont Ferrand, 37-81.
39. KIEFFER, G. 1985. Évolution structurale et dynamique d'un grand Vulcan polygénique: stude d'édification et activité actuelle de l'Etna. Thèse d'état, Université de Clermont-Ferrand. II.
40. LABAUME, P., BOUSQUET, J.C. & LANZAFAME, G. 1990. Early deformations at a submarine compressive front: the Quaternary Catania foredeep south Mt. Etna. Sicily. Tectonophysics, 177, 349-366.
41. LANZAFAME, G. & BOUSQUET, J.C. 1997. The Maltese escarpment and its extension from the Mt Etna to the Aeolian islands (Sicily): importance and evolution of a lithosphere discontinuity. Acta Vulcanologica, 9, 113-120.
42. LANZAFAME, G., LEONARDI, A., NERI, M. & RUST, D. 1997a. Late overthrust of the Apennine-Maghrebian Chain at the NE periphery of Mt. Etna, Italy. Comptes Rendus de l'Académie des Sciences de Parts, Série IIa, 324, 325-332.
43. LANZAFAME, G., NERI, M., COLTELLI, M., LODATO, L. & RUST, D. 1997b. Northsouth compression in the Mt. Etna region (Sicily): spatial and temporal distribution. Acta Vulcanologica, 9, 121-133.
44. LENTINI, F. 1982. The geology of the Mt. Etna basement. Memorie della Società Geologica Italiana, 23, 7-25.
45. LO GIUDICE, E. & RASA, R. 1992. Very shallow earthquakes and brittle deformation in active volcanic areas. The Etnean region as an example. Tectonophysics, 202, 257-268.
46. MASTIN, L.G. & POLLARD, D.D. 1988. Surface deformation and shallow dyke intrusion processes at Inyo craters, Long Valley, California. Journal of Geophysical Research, 93, 13221-13235.
47. McGUIRE, W.J. 1982. Evolution of the Etna volcano: information from the southern wall of the Valle del Bove caldera. Journal of Volcanology and Geothermal Research, 13, 241-271.
48. McGUIRE, W.J. & PULLEN, A.D. 1989. Location and orientation of eruptive fissures and feeder-dykes at Mount Etna: influence of gravitational and regional stress regimes. Journal of Volcanology and Geothermal Research, 38, 325-344.
49. McGUIRE, W.J., PULLEN, A.D. & SAUNDERS, S.J. 1990. Recent dyke-induced large-scale block movement at Mount Etna and potential slope failure. Nature, 343, 357-359.
50. MCGUIRE, W.J., MURRAY, J.B., PULLEN, A.D. & SAUNDERS, S.J. 1991. Ground deformation monitoring at Mt. Etna; evidence for dyke emplacement and slope instability. Journal of the Geological Society. London, 148, 577-583.
51. MERLE, O.R. & BORGIA, A. 1996. Scaled experiments of volcanic spreading. Journal of Geophysical Research, 101, 13805-13817.
52. MERLE, O.R., DAVIS, G., NICKELSEN, R.P. & GOURLAY, P.A. 1993. Relation of thin skinned thrusting of Colorado Plateau strata in southwestern Utah to Cenozoic magmatism. Geological Society of America Bulletin, 105, 387-398.
53. MONACO, C. & TORTORICI, L. 2000. Active faulting in the Calabrian arc and eastern Sicily. Journal of Geodynamics, 29, 407-424.
54. MONACO, C., TAPPONIER, P., TORTORICI, L. & GILLOT, P.Y. 1997. Late Quaternary slip rates on the Acircale-Piedimonte normal faults and tectonic origin of Mt. Etna (Sicily). Earth and Planetary Science Letters, 147, 125-139.
55. MURRAY, J.B. 1994. Elastic model of the actively intruded dyke feeding the 1991-1993 eruption of Mt. Etna, derived from ground deformation measurements. Acta Vulcanologica, 4, 97-99.
56. MURRAY, J.B. & PULLEN, A.D. 1984. Three dimensional model of feeder conduit of the 1983 eruption of Mount Etna volcano, from ground deformation measurements. Bulletin Volcanologique, 47, 1145-1163.
57. NAIRN, I.A. & COLE, J.W. 1981. Basalt dykes in the 1886 Tarawera Rift. New Zealand Journal of Geology and Geophysics, 24, 585-592.
58. NERI, M., GARDUNO, V.H., PASQUARE, G. & RASA, R. 1991. Studio structurale e modello cinematico della Valle del Bove e del settore nord-orientale etneo. Acta Vulcanologica, 1, 17-24.
59. NUNNARI, G. & PUGLISI, G. 1994. The global positioning system as useful technique for measuring ground deformations in volcanic areas. Journal of Volcanology and Geothermal Research, 61, 267-280.
60. OPHEIM, J.A. & GUDMUNDSSON, A. 1989. Formation and geometry of fractures and related volcanism of the Krafla fissure swarm, northeast Iceland. Geological Society of America Bulletin, 101, 1608-1622.
61. PARFITT, E.A. & PEACOCK, D.C.P. 2001. Faulting in the South Flank of Kilauea Volcano, Hawaii. Journal of Volcanology and Geothermal Research, 106, 265-284.
62. PATANE, D., CHIARABBA, C., COCINA, O., DE GORI, P., MORETTI, M. & BOSCHI, E. 2003. Tomographic images and 3D earthquake locations of the seismic swarm preceding the 2001 Mt. Etna eruption: evidence for a dyke intrusion. Geophysical Research Letters, 10,1029/2001GLO1439.
63. PEACOCK, D.C.P. & PARFITT, E.A. 2002. Active relay ramps and normal fault propagation on Kilauea Volcan Hawaii. Journal of Structural Geology, 24, 729-742.
64. POLLARD, D.D. 1973. The relation and evaluation of mechanical models for sheet intrusion. Tectonophysics, 19, 233-269.
65. POLLARD, D.D., DELANEY, P.T., DUFFIELD, W.A., ENDO, E.T. & OKAMURA, A.T. 1983. Surface deformation in volcanic rift zones. Tectonophysics, 94, 541-584.
66. RECHES, Z. & FINK, J. 1988. The mechanism of intrusion of the Inyo dyke, Long Valley caldera, California. Journal of Geophysical Research, 93, 4321-4334.
67. RESEARCH STAFF OF THE INGV. SEZIONE DI CATANIA 2001. Multidisciplinary approach yields insight into Mt. Etna eruption. EOS Transactions, American Geophysical Union, 82(52), 653-656.
68. RITTMANN, A. 1973. Structure and evolution of Mount Etna. Philosophical Transactions of the Royal Society of London, Series A, 274, 5-16.
69. ROMANO, R. 1982. Succession of the volcanic activity in the Etnean area. Memorie della Società Geologica Italiana, 23, 27-48.
70. RUBIN, A.M. 1992. Dyke-induced faulting and graben subsidence in volcanic rift zones. Journal of Geophysical Research, 97, 1839-1858.
71. RUBIN, A.M. & POLLARD, D.D. 1988. Dyke-induced faulting in rift zones of Iceland and Afar. Geology, 16, 413-417.
72. RUST, D. & NERI, M. 1996. The boundaries of large-scale collapse on the flanks of Mount Etna, Sicily. In: McGUIRE, W.C., JONES, A.P. & NEUBERG, J. (eds) Volcano Instability on the Earth and Other Planets. Geological Society. London, Special Publications, 110, 193-208.
73. RYMER, H., MURRAY, J.B., BROWN, G.C., FERRUCCI, F. & McGUIRE, W.J. 1993. Mechanism of magma eruption and emplacement at Mount Etna between 1989 and 1992. Nature, 361, 439-441.
74. SANDERSON, T.J.O. 1982. Direct gravimetric detection of magma movements at Mount Etna. Nature, 297, 487-490.
75. SCANDONE, P., PATACCA, E. & RADOICIC, R. ET AL. 1981. Mesozoic and Cenozoic rocks from Malta Escarpment (Central Mediterranean). AAPG Bulletin, 65, 1299-1319.
76. SCARPA, R., PATANÈ, D. & LOMBARDO, G. 1983. Space time evolution of seismic activity at Mount Etna during 1974-1982. Annales Geophysicae. 1(6), 451-462.
77. SCHIANO, P., CLOCCHIATTI, R., OTTOLINI, L. & BUSÀ, T. 2001. Transition of Mount Etna lavas from a mantle-plume to an island-arc magmatic source. Nature, 412, 900-904.
78. SHARP, A.D.L., DAVIS, P.M. & GRAY, F. 1980. A low velocity zone beneath Etna and magma storage. Nature, 287, 587-591.
79. TANGUY, H. & KIEFFER, G. 1993. Les éruptions de l'Etna et leurs mécanismes. Memoires de la Société Géologique de France, 163, 239-252.
80. TAZIEFF, H. & LE GUERN, F. 1971. Signification tectonique et mécanisme de Péruption d'avril-mai-juin 1971 de l'Etna. Comptes Rendus de Académie des Sciences, 272, 3252-3255.
81. TONARINI, S., ARMIENTI, P., D'ORAZIO, M. & INNOCENTI, F. 2001. Subduction-like fluids in the genesis of Mt. Etna magmas: evidence from boron isotopes and fluid mobile elements. Earth and Planetary Science Letters, 5989, 1 13.
82. VILLARI, L., RASÀ, R. & CACCAMO, A. 1988. Considerazioni sull'hazard vulcanico e sul campo di sforzi nella regione dell'Etna attraverso l'analisi morfometrica e la distribuzione plano-altimetrica dei coni avventizi. Bollettino del Gruppo Nazionale per la Vulcanologia, 4, 600-619.