Anomalous soil CO 2 degassing in relation to faults and eruptive fissures on Mount Etna (Sicily, Italy)

1998 ◽  
Vol 60 (4) ◽  
pp. 252-259 ◽  
Author(s):  
Salvatore Giammanco ◽  
Sergio Gurrieri ◽  
Mariano Valenza
Keyword(s):  
Mount Etna ◽  
Eruptive Fissures

scholarly journals Structural analysis of the eruptive fissures at Mount Etna (Italy)

2011 ◽  
Vol 54 (5) ◽  
Author(s):  
Marco Neri ◽  
Valerio Acocella ◽  
Boris Behncke ◽  
Salvatore Giammanco ◽  
Francesco Mazzarini ◽  
...  
Keyword(s):  
Structural Analysis ◽  
Mount Etna ◽  
Eruptive Fissures

scholarly journals Online detection of offsets in GPS time series

2020 ◽  
Author(s):  
Giuseppe Nunnari ◽  
Flavio Cannavó
Keyword(s):  
Time Series ◽  
Change Point ◽  
Detection Algorithm ◽  
Change Point Detection ◽  
Mount Etna ◽  
False Alarms ◽  
Trade Off ◽  
Point Detection ◽  
Gps Time Series ◽  
Eruptive Fissures

Abstract This paper deals with the online offset detection in GPS time series recorded in volcanic areas. The interest for this problem lies in the fact that an offset can indicate the opening of eruptive fissures. A Change Point Detection algorithm is applied to carry out, in an online framework, the offset detection. Experimental results show that the algorithm is able to recognize the offset generated by the Mount Etna eruption, occurred on December 24, 2018, with a delay of about 4 samples, corresponding to 40 min, compared to the best offline detection. Furthermore, analysis of the trade-off between success and false alarms is carried out and discussed.

scholarly journals On the use of plume models to estimate the flux in volcanic gas plumes

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Julia Woitischek ◽  
Nicola Mingotti ◽  
Marie Edmonds ◽  
Andrew W. Woods
Keyword(s):  
Electrochemical Sensors ◽  
Measurement Techniques ◽  
Flux Measurement ◽  
Hydrothermal Systems ◽  
Mount Etna ◽  
Volcanic Gas ◽  
Gas Flux ◽  
Convective Structures ◽  
Video Images ◽  
Villarrica Volcano

AbstractMany of the standard volcanic gas flux measurement approaches involve absorption spectroscopy in combination with wind speed measurements. Here, we present a new method using video images of volcanic plumes to measure the speed of convective structures combined with classical plume theory to estimate volcanic fluxes. We apply the method to a nearly vertical gas plume at Villarrica Volcano, Chile, and a wind-blown gas plume at Mount Etna, Italy. Our estimates of the gas fluxes are consistent in magnitude with previous reported fluxes obtained by spectroscopy and electrochemical sensors for these volcanoes. Compared to conventional gas flux measurement techniques focusing on SO2, our new model also has the potential to be used for sulfur-poor plumes in hydrothermal systems because it estimates the H2O flux.

Chemical variation of clinopyroxene phenocrysts from the trachybasaltic lavas of Mount Etna, Sicily

1980 ◽  
Vol 43 (330) ◽  
pp. 765-770 ◽  
Author(s):  
A. M. Duncan ◽  
R. M. F. Preston
Keyword(s):  
Trace Element ◽  
Mount Etna ◽  
Chemical Variation ◽  
Etna Volcano ◽  
Trace Element Chemistry ◽  
Sector Zoning ◽  
Steady Decrease ◽  
Element Chemistry

SummaryThe chemical variation of clinopyroxene phenocrysts from the trachybasaltic lavas of Etna volcano is described. The phenocrysts show a limited, but distinct trend in chemical variation from calcic-augite in the hawaiites to augite in the benmoreites. The trend of this variation is unusual, being one of Mg-enrichment with differentiation of the magma. Ca shows a steady decrease in the clinopyroxenes from the hawaiites to the benmoreites. Na, however, shows little chemical variation in the pyroxenes. The trace element chemistry is briefly examined. The clinopyroxenes show well-developed oscillatory and sector zoning. The basal {11} sectors are enriched in Si and Mg and depleted in Ti, Al, and Fe relative to the {100}, {110}, and {010} prism sectors.

scholarly journals Modeling the effects of eruptive and seismic activities on flank instability at Mount Etna, Italy

2013 ◽  
Vol 118 (10) ◽  
pp. 5252-5273 ◽  
Author(s):  
F. Bozzano ◽  
M. Gaeta ◽  
L. Lenti ◽  
S. Martino ◽  
A. Paciello ◽  
...  
Keyword(s):  
Mount Etna

The epidemiology of amyotrophic lateral sclerosis in the Mount Etna region: a possible pathogenic role of volcanogenic metals

2016 ◽  
Vol 23 (5) ◽  
pp. 964-972 ◽  
Author(s):  
A. Nicoletti ◽  
R. Vasta ◽  
V. Venti ◽  
G. Mostile ◽  
S. Lo Fermo ◽  
...  
Keyword(s):  
Amyotrophic Lateral Sclerosis ◽  
Mount Etna ◽  
Pathogenic Role ◽  
Lateral Sclerosis
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