Intrusive mechanism of the 2002 NE-Rift eruption at Mt. Etna (Italy) inferred through continuous microgravity data and volcanological evidences

Geophysical Research Letters

Volumn 30, Issue 20, 2003, Pages

  Branca, Stefano ^a   Carbone, Daniele ^b   Greco, Filippo ^b  

^a UNIVERSITY OF CATANIA   (Italy)

^b ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

DATA REDUCTION; FRACTURE MECHANICS; MICROGRAVITY PROCESSING; SEISMOLOGY; MICROGRAVITY;

FISSURE SYSTEMS; MICROGRAVITY SYSTEM; ERUPTIVE DYNAMICS; EXTERNAL FORCE; FRACTURE SYSTEMS; HIGH RATE; LAVA FLOWS; MT. ETNA;

VOLCANOES; FRACTURE;

FRACTURE FLOW; GRAVITY ANOMALY; MAGMATISM; VOLCANIC ERUPTION;

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

EID: 1242322429     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2003GL018250     Document Type: Article

References (21)

1. Andò, B., and D. Carbone, A Methodology for Reducing the Signal from a Continuously Recording Gravity Meter for the Effect of Meteorological Parameters. IEEE Transactions on Instrumentation and Measurement, 50(5), 1248-1254, 2001.
2. Azzaro, R., S. Branca, S. Giammanco, S. Gurrieri, R. Rasà, and M. Valenza, New evidence for the form and extent of the Pernicana Fault System (Mt. Etna) from structural and soil-gas surveying, J. Vulcanol. Geotherm. Res., 84, 143-152, 1998.
3. Azzaro, R., Seismicity and active tectonics along the pernicana fault, Mt. Etna (Italy), Acta Vulcanol., 9, 7-14, 1997.
4. Bonaccorso, A., M. Aloisi, and M. Mattia, Dike emplacement forerunning the Etna July 2001 eruption modelled through continuous tilt and GPS data, Geophys. Res. Lett., 29(13), 2002.
5. Borgia, A., L. Ferrari, and G. Pasquarè, Importance of gravitational spreading in the tectonic and volcanic evolution of Mount Etna, Nature, 357, 231-235, 1992.
6. Branca, S., and P. Del Carlo, Eruptions of Mt. Etna during the past 3,200 Years: A revised compilation integrating the historical and stratigraphic records, in Etna Volcano Laboratory, Geophys. Monogr. Ser., edited by S. Calvari, A. Bonaccorso, M. Coltelli, C. Del Negro, and S. Falsaperla, AGU, in press, 2003.
7. Budetta, G., and D. Carbone, Temporal variations in gravity at Mt. Etna (Italy) associated with the 1989 and 1991 eruptions, Bull. Volcanol., 59, 311-326, 1998.
8. Budetta, G., D. Carbone, and F. Greco, Subsurface mass redistribution at Mount Etna (Italy) during the 1995-96 explosive activity detected by microgravity studies, Geophys. J. Int., 138, 77-88, 1999.
9. Calvari, S., et al., The first period of the 2002 Etna eruption (27 October-5 November): Preliminary results, Quaderni di Geofisica, in press, 2003.
10. Carbone, D., G. Budetta, and F. Greco, Possible mechanisms of magma redistribution under Mt. Etna during the 1994-1999 period detected through microgravity measurements, Geophys. J. Int., 153, 187-200, 2003a.
11. Carbone, D., G. Budetta, F. Greco, and H. Rymer, Combined discrete and continuous gravity observations at Mount Etna, J. Volcanol. Geotherm. Res., 123, 123-135, 2003b.
12. Carrigan, C. R., Plumbing systems, in Encyclopedia of Volcanoes, Academic, 219-235, 2000.
13. Ferrari, L., V. H. Garduno, and M. Neri, I dicchi della Valle del Bove, Etna: Un metodo per stimare le dilatazioni di un apparato vulcanico, Mem. Soc. Geol. It., 47, 495-508, 1993.
14. Kieffer, G., Sur l'existence d'une "Rift zone" a L'Etna, C. R. Acad. Sci. Paris D, 280, 236-266, 1975.
15. Kilburn, R. J., and R. Lopes, The growth of Aa lava flow fields on Mount Etna, Sicily, J. Geophys. Res., 93, 14,759-14,772, 1988.
16. LaCoste and Romberg, Instruction Manual, Model G and D Gravity Meter, Austin, Texas, 1997.
17. Lo Giudice, E., and R. Rasà, Very shallow earthquakes and brittle deformation in active volcanic areas: The Etnean region as an example, Tectonophysics, 202, 257-268, 1992.
18. Nettleton, L. L., Gravity and magnetics in oil prospecting, McGraw-Hill, 1976.
19. Romano, R., and C. Sturiale, The historical eruptions of Mt. Etna (Volcanological data), Mem. Soc. Geol. It., 23, 75-97, 1982.
20. Rymer, H., Microgravity changes as a precursor to volcanic activity, J. Volcanol. Geotherm. Res., 87, 141-149, 1994.
21. Wenzel, H. G., The nanogal software: Earth tide data processing package ETERNA 3.30, Bull. Inf. Marees Terrestres, 124, 9425-9439, 1996.