Intrusion of eccentric dikes: The case of the 2001 eruption and its role in the dynamics of Mt. Etna volcano

Tectonophysics

Volumn 471, Issue 1-2, 2009, Pages 78-86

  Bonforte, Alessandro ^a   Gambino, Salvatore ^a   Neri, Marco ^a  

^a ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA   (Italy)

Author keywords

Dike; Flank instability; Instrumental monitoring; Mt. Etna; Stress release; Volcano tectonics

Indexed keywords

DIKE; FLANK INSTABILITY; INSTRUMENTAL MONITORING; MT. ETNA; STRESS RELEASE;

DYNAMICS; GLOBAL POSITIONING SYSTEM; KINEMATICS; LEVEES; MONITORING; SEA LEVEL; SEISMOLOGY; SIZE DISTRIBUTION; STABILITY; TECTONICS;

VOLCANOES;

ALGORITHM; DATA SET; DECOLLEMENT; DEFORMATION MECHANISM; DIKE; DUCTILE DEFORMATION; EARTHQUAKE HYPOCENTER; EARTHQUAKE SWARM; GPS; KINEMATICS; PRECISION; SEISMICITY; SPATIAL DISTRIBUTION; STRESS FIELD; VOLCANIC ERUPTION;

CATANIA [SICILY]; ETNA; EURASIA; EUROPE; ITALY; SICILY; SOUTHERN EUROPE;

EID: 67349266682     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tecto.2008.09.028     Document Type: Article

References (57)

1. Acocella V., and Neri M. What makes flank eruptions? The 2001 Etna eruption and its possible triggering mechanism. Bull. Volcanol. 65 (2003) 517-529 10.1007/s00445-003-0280-3
2. Acocella V., and Neri M. Structural features of an active strike-slip fault on the sliding flank of Mt. Etna (Italy). J. Struct. Geol. 27 (2005) 343-355 10.1016/j.jsg.2004.07.006
3. Acocella V., Behncke B., Neri M., D, and Amico S. Link between major flank slip and eruptions at Mt. Etna (Italy). J. Geophys. Res. 30 (2003) 2286 10.1029/2003GL018642
4. 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 (2006) 85-114 10.1016/j.earscirev.2006.04.002
5. Andronico D., Branca S., Calvari S., Burton M., Caltabiano T., Corsaro R.A., Del Carlo P., Garfì G., Lodato L., Miraglia L., Murè F., Neri M., Pecora E., Pompilio M., Salerno G., and Spampinato L. A multi-disciplinary study of the 2002-03 Etna eruption: insights into a complex plumbing system. Bull. Volcanol. 67 (2005) 314-330 10.1007/s00445-004-0372-8
6. Behncke B., and Neri M. The July-August 2001 eruption of Mt. Etna (Sicily). Bull. Volcanol. 65 (2003) 461-476
7. Behncke B., and Neri M. Cycles and trends in the recent eruptive behaviour of Mount Etna (Italy). Can. J. Earth Sci. 40 (2003) 1405-1411 10.1139/E03-052
8. Behncke B., Neri M., and Carniel R. An exceptional case of lava dome growth spawning pyroclastic avalanches at Mt. Etna (Italy): the 1999 Bocca Nuova eruption. J. Volcanol. Geotherm. Res. 124 1-2 (2003) 115-128
9. Behncke B., Neri M., and Nagay A. Lava flow hazard at Mount Etna (Italy): new data from a GIS-based study. In: Manga M., and Ventura G. (Eds). Kinematics and dynamics of lava flows. Spec. Pap. Geol. Soc. Am. vol. 396-13 (2005) 187-205 10.1130/2005.2396(13)
10. Behncke B., Neri M., Pecora E., and Zanon V. The exceptional activity and growth of the Southeast Crater, Mount Etna (Italy), between 1996 and 2001. Bull. Volcanol. 69 (2006) 149-173 10.1007/s00445-006-0061-x
11. Behncke B., Calvari S., Giammanco S., Neri M., and Pinkerton H. Volcaniclastic flows resulting from interaction of basaltic magma with hydrothermally altered rock: an example from the 2006 summit eruptions of Mount Etna (Italy). Bull. Volcanol (2008) 10.1007/s00445-008-0200-7
12. Billi A., Acocella V., Funiciello R., Giordano G., Lanzafame G., and Neri M. 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. J. Volcanol. Geotherm. Res. 122 (2003) 281-294 10.1016/S0377-0273(02)00507-3
13. Bonaccorso A., Aloisi M., and Mattia M. Dike emplacement forerunning the Etna July 2001 eruption modeled through continuous tilt and GPS data. Geophys. Res. Lett. 29 (2002) 10.1029/2001GL014397
14. Bonaccorso A., D, Amico S., Mattia M., and Patanè D. Intrusive mechanisms at Mt. Etna forerunning the July-August 2001 eruption from seismic and ground deformation data. Pure Appl. Geophys. 161 (2004) 1469-1487 10.1007/s00024-004-2515-4
15. Bonaccorso A., Bonforte A., Guglielmino F., Palano M., and Puglisi G. Composite ground deformation pattern forerunning the 2004-2005 Mount Etna eruption. J. Geophys. Res. 111 (2006) B12207 10.1029/2005JB004206
16. Bonforte A., and Puglisi G. Magma uprising and flank dynamics on Mt. Etna volcano, studied by GPS data (1994-1995). J. Geophys. Res. 108 B3 (2003) 2153-2162
17. Bonforte A., and Puglisi G. Dynamics of the eastern flank of Mt. Etna volcano (Italy) investigated by a dense GPS network. J. Volcanol. Geotherm. Res. 153 (2006) 357-369 10.1016/j.jvolgeores.2005.12.005
18. Bonforte A., Guglielmino F., Palano M., and Puglisi G. A syn-eruptive ground deformation episode measured by GPS, during the 2001 eruption on the upper southern flank of Mt. Etna. Bull. Volcanol. 66 (2004) 336-341
19. Bonforte A., Branca S., and Palano M. Geometric and kinematic variations along the active Pernicana fault: Implication for the dynamics of Mount Etna NE flank (Italy). J. Volcanol. Geotherm. Res (2007) 10.1016/j.jvolgeores.2006.08.009
20. Bonforte A., Carbone D., Greco F., and Palano M. Intrusive mechanism of the 2002 NE-rift eruption at Mt. Etna (Italy) modelled using GPS and gravity data. Geophys. J. Int (2007) 10.1111/j.1365-246X.2006.03249.x
21. Bonforte A., Gambino S., Guglielmino F., Obrizzo F., Palano M., and Puglisi G. Ground deformation modeling of flank dynamics prior to the 2002 eruption of Mt. Etna. Bull. Volcanol (2007) 10.1007/s00445-006-0106-1
22. Bonforte A., Bonaccorso A., Guglielmino F., Palano M., and Puglisi G. Feeding system and magma storage beneath Mt. Etna as revealed by recent inflation/deflation cycles. J. Geophys. Res. 113 (2008) B05406 10.1029/2007JB005334
23. Borgia A., Ferrari L., and Pasquarè G. Importance of gravitational spreading in the tectonic and volcanic evolution of Mt. Etna. Nature 357 (1992) 231-235
24. Burton M., Neri M., Andronico D., Branca S., Caltabiano T., Calvari S., Corsaro R.A., Del Carlo P., Lanzafame G., Lodato L., Miraglia L., Salerno G., and Spampinato L. Etna 2004-2005: an archetype for geodynamically-controlled effusive eruptions. Geophys. Res. Lett. 32 (2005) L09303 10.1029/2005GL022527
25. Calvari S., Tanner L.H., and Groppelli G. Debris-avalanche deposits of the Milo Lahar sequence and the opening of the Valle del Bove on Etna volcano (Italy). J. Volcanol. Geotherm. Res. 87 1-4 (1998) 193-209 10.1016/S0377-0273(98)00089-4
26. Calvari S., Neri M., and Pinkerton H. Effusion rate estimation during the 1999 summit eruption on Mt. Etna, and growth of two distinct lava flow fields. J. Volcanol. Geotherm. Res. 119 1-4 (2003) 107-123
27. Clocchiatti R., Condomines M., Guénot N., and Tanguy J.-C. Magma changes at Mount Etna: the 2001 and 2002-2003 eruptions. Earth Planet. Sci. Lett. 226 (2004) 397-414 10.1016/j.epsl.2004.07.039
28. Cocina O., Neri G., Privitera E., and Spampinato S. Stress tensor computations in the Mount Etna area (Southern Sicily) and tectonic implications. J. Geodyn. 23 (1997) 109-127
29. Corsaro R.A., and Miraglia L. Dynamics of 2004-2005 Mt. Etna effusive eruption as inferred from petrologic monitoring. Geophys. Res. Lett. 32 (2005) L13302 10.1029/2005GL022347
30. Froger J., Merle O., and Briole P. Active spreading and regional extension at Mount Etna imaged by SAR interferometry. Earth Planet. Sci. Lett. 187 (2001) 245-258
31. Gambino S. Continuous dynamic response along a pre-existing structural discontinuity induced by the 2001 eruption at Mt Etna. Earth Planets Space 56 (2004) 447-456
32. Gambino S., Mostaccio A., Patanè D., Scarfì L., and Ursino A. High-precision locations of the microseismicity preceding the 2002-2003 Mt. Etna eruption. Geophys. Res. Lett. 31 18 (2004) L18604 10.1029/2004GL020499
33. Harris A.J.L., and Neri M. Volumetric observations during paroxysmal eruptions at Mount Etna: pressurized drainage of a shallow chamber or pulsed supply?. J. Volcanol. Geotherm. Res. 116 (2002) 79-95
34. Houlié N., Briole P., Bonforte A., and Puglisi G. Large scale ground deformation of Etna observed by GPS between 1994 and 2001. Geophys. Res. Lett. 33 (2006) L02309 10.1029/2005GL024414
35. Lanzafame G., Neri M., Acocella V., Billi A., Funiciello R., and Giordano G. July-August 2001 Etna eruption: deformative pattern and its significance. J. Geol. Soc. London 160 (2003) 531-544
36. Lundgren P., Casu F., Manzo M., Pepe M., Berardino P., Sansosti E., and Lanari R. Gravity and magma induced spreading of Mount Etna volcano revealed by satellite radar interferometry. Geophys. Res. Lett. 31 (2004) L04602 10.1029/003GL018736
37. Métrich N., Allard P., Spilliaert N., Andronico D., and Burton M. 2001 flank eruption of the alkali- and volatile-rich primitive basalt responsible for Mount Etna's evolution in the last three decades. Earth Planet. Sci. Lett. 228 (2004) 1-17 10.1016/j.epsl.2004.09.036
38. Neri M., and Acocella V. The 2004-05 Etna eruption: implications for flank deformation and structural behaviour of the volcano. J. Volcanol. Geotherm. Res. 158 (2006) 195-206 10.1016/j.jvolgeores.2006.04.022
39. Neri M., Acocella V., and Behncke B. The role of the Pernicana fault system in the spreading of Mt. Etna (Italy) during the 2002-2003 eruption. Bull. Volcanol. 66 (2004) 417-430 10.1007/s00445-003-0322-x
40. Neri M., Acocella V., Behncke B., Maiolino V., Ursino A., and Velardita R. Contrasting triggering mechanisms of the 2001 and 2002-2003 eruptions of Mount Etna (Italy). J. Volcanol. Geotherm. Res. 144 (2005) 235-255 10.1016/j.jvolgeores.2004.11.025
41. Neri M., Behncke B., Burton M., Giammanco S., Pecora E., Privitera E., and Reitano D. Continuous soil radon monitoring during the July 2006 Etna eruption. Geophys. Res. Lett. 33 (2006) L24316 10.1029/2006GL028394
42. Neri M., Guglielmino F., and Rust D. Flank instability on Mount Etna: radon, radar interferometry and geodetic data from the southern boundary of the unstable sector. J. Geophys. Res. 112 (2007) 10.1029/2006JB004756
43. Okada Y. Surface deformation due to shear and tensile faults in a half-space. J. Geophys. Res. 75 (1985) 1135-1154
44. Pareschi M.T., Boschi E., and Favalli M. Lost tsunami. Geophys. Res. Lett. 33 (2006) L22608 10.1029/2006GL027790
45. Patanè D., Chiarabba C., De Gori P., and Bonaccorso A. Magma ascent and the pressurization of Mt. Etna's volcanic system. Science 299 (2003) 2061-2063
46. Patanè D., Privitera E., Gresta G., Akinci A., Alparone A., Barberi G., Chiaraluce L., Cocina O., D, Amico S., De Gori P., Di Grazia G., Falsaperla S., Ferrari F., Gambino S., Giapiccolo E., Langer H., Maiolino V., Moretti M., Mostaccio A., Musumeci C., Piccinini D., Reitano D., Scarfì L., Spampanato S., Ursino A., and Zuccarello L. Seismological constraints for the dike emplacement of July-August 2001 lateral eruption at Mt. Etna volcano, Italy. Ann. Geophys. 46 (2003) 599-608
47. Puglisi G., and Bonforte A. Dynamics of Mount Etna volcano inferred from static and kinematic GPS measurements. J. Geophys. Res. 109 B11 (2004) B11404 10.1029/2003JB002878
48. Puglisi G., Bonforte A., and Maugeri S.R. Ground deformation patterns on Mt. Etna, between 1992 and 1994, inferred from GPS data. Bull. Volcanol. 62 (2001) 371-384
49. Puglisi G., Bonforte A., Ferretti A., Guglielmino F., Palano M., and Prati C. Dynamics of Mount Etna before, during, and after the July-August 2001 eruption inferred from GPS and differential synthetic aperture radar interferometry data. J. Geophys. Res. 113 (2008) B06405 10.1029/2006JB004811
50. Rittmann A. Structure and evolution of Mount Etna. Phil. Trans. Radnors. Soc., London 274 A (1973) 5-16
51. Rust D., Behncke B., Neri M., and Ciocanel A. Nested zones of instability in the Mount Etna volcanic edifice, Sicily. J. Volcanol. Geotherm. Res. 144 (2005) 137-153 10.1016/j.jvolgeores.2004.11.021
52. Thurber C.H. Local earthquake tomography: velocity and VP/VS-theory. In: Iyer H.M., and Hirahara K. (Eds). Seismic Tomography: Theory and Practice (1993), Chapman and Hall, London 563-583
53. Van Wyk de Vries B., Self S., Francis P.W., and Keszthelyi L. A gravitational spreading origin for the Socompa debris avalanche. J. Volcanol. Geotherm. Res. 105 (2001) 225-247
54. Voight B., Glicken H., Janda R.J., and Douglas P.M. Catastrophic rockslide avalanche of May 18. In: Lipman P.W., and Mullineaux D.R. (Eds). The 1980 Eruptions of Mount St. Helens, Washington. Geol Surv Prof Pap vol. 1250 (1981) 347-377
55. Waldhauser F. HypoDD: A computer program to compute double-difference earthquake locations. U.S. Geol. Surv. Open-File Report, 01-113 (2001) Menlo Park, California
56. Waldhauser F., and Ellsworth W.L. A double-difference earthquake location algorithm: method and application to the northern Hayward fault. Bull. Seismol. Soc. Am. 90 (2000) 1353-1368
57. Walter T.R., Acocella V., Neri M., and Amelung F. Feedback processes between magmatism and E-flank movement at Mt. Etna (Italy) during the 2002-2003 eruption. J. Geophys. Res. 110 (2005) B10205 10.1029/2005JB003688