Sonia Calvari

ORCID: 0000-0001-8189-5499
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About
Contact & Profiles
Research Areas
  • Geological and Geochemical Analysis
  • earthquake and tectonic studies
  • Landslides and related hazards
  • Geology and Paleoclimatology Research
  • Earthquake Detection and Analysis
  • Seismology and Earthquake Studies
  • High-pressure geophysics and materials
  • Cryospheric studies and observations
  • Seismic Waves and Analysis
  • Meteorological Phenomena and Simulations
  • 3D Surveying and Cultural Heritage
  • Synthetic Aperture Radar (SAR) Applications and Techniques
  • Planetary Science and Exploration
  • Geological formations and processes
  • Geochemistry and Geologic Mapping
  • Infrared Target Detection Methodologies
  • Remote-Sensing Image Classification
  • Remote Sensing and LiDAR Applications
  • Geophysical Methods and Applications
  • Aeolian processes and effects
  • Archaeological Research and Protection
  • Astro and Planetary Science
  • Maritime and Coastal Archaeology
  • Geomagnetism and Paleomagnetism Studies
  • Tree-ring climate responses

Istituto Nazionale di Geofisica e Vulcanologia
2016-2025

INGV Osservatorio Etneo
2008-2024

Instituto Tecnológico y de Energías Renovables
2023

Radiotelevisione Italiana (Italy)
2017

Istituto Nazionale di Fisica Nucleare, Sezione di Catania
2008-2010

Volcano Corporation (United States)
2004

University of Catania
2000-2001

Lancaster University
1999

Effusive activity at Stromboli is uncommon, and the 2002–2003 flank eruption gave us opportunity to observe analyze a number of complex volcanic processes. In particular, use handheld thermal camera during allowed monitor volcano even in difficult weather operating conditions. Regular helicopter‐borne surveys with throughout have significantly improved (1) mapping active lava flows; (2) detection new cracks, landslide scars, obstructions forming within on flanks craters; (3) observation flow...

10.1029/2004jb003129 article EN Journal of Geophysical Research Atmospheres 2005-02-01

The 2002 effusive flank eruption at Stromboli volcano started on December 28, after several months of strong explosive activity the summit craters. On 30, seismic network recorded two large failures and associated tsunami waves. This is first time that a collapse tsunami, their phenomena, have been by multi‐disciplinary monitoring system. Volcanological geophysical monitoring, as well thermal surveys performed immediately before failure, allowed us to define interpret sequence events. still...

10.1029/2003gl017702 article EN Geophysical Research Letters 2003-09-01

Detailed mapping during the 1991–1993 eruption of Mount Etna has shown that there is a relationship between tumuli, ephemeral vents, lava tubes, and their parent flows. During this eruption, many tubes formed in stationary, inflated ‘a‘a Ephemeral vents at fronts these stationary flows above fed secondary flows, which subsequently developed new tubes. The resulting complex network was responsible for most widening, thickening, lengthening flow field. supply relatively uncooled via to distal...

10.1029/97jb03388 article EN Journal of Geophysical Research Atmospheres 1998-11-10

[1] Between 2007 and early 2008, the Istituto Nazionale di Geofisica e Vulcanologia (INGV) monitoring networks on Etna volcano recorded a recharging phase that climaxed with new effusive eruption 13 May 2008 lasted about 14 months. A dike-forming intrusion was accompanied by violent seismic swarm, more than 230 events in first 6 h, largest being ML = 3.9. In meanwhile, marked ground deformation permanent tilt GPS networks, sudden changes summit area were detected five continuously recording...

10.1029/2010jb007906 article EN Journal of Geophysical Research Atmospheres 2011-03-09

The Etna volcano is renowned worldwide for its extraordinary lava fountains that rise several kilometers above the vent and feed eruptive columns, then drift hundreds of away from source. Italian Istituto Nazionale di Geofisica e Vulcanologia-Osservatorio Etneo (INGV-OE) responsible monitoring Mt. Etna, this reason, has deployed a network visible thermal cameras around volcano. From these cameras, INGV-OE keeps keen eye, able to observe activity, promptly advising civil protection aviation...

10.3390/rs14102392 article EN cc-by Remote Sensing 2022-05-16

10.1016/s0377-0273(99)00024-4 article EN Journal of Volcanology and Geothermal Research 1999-06-01

The 2004–05 eruption of Etna was characterised by outpouring degassed lava from two vents within Valle del Bove. After three months volumes were estimated to be between 18.5 and 32 × 10 6 m 3 , with rate 2.3 4.1 /s. Petrological analyses show that magma is resident in the shallow plumbing system, emplaced during last South‐East Crater activity. SO 2 flux data no increase at onset /HCl ratios gas emitted eruptive fissure are consistent a magma. No seismic activity recorded prior eruption,...

10.1029/2005gl022527 article EN Geophysical Research Letters 2005-05-01

[1] We present a 30 year long data set of satellite-derived time-averaged lava discharge rates (TADR) for Mount Etna volcano (Sicily, Italy), spanning 1980–2010 and comprising 1792 measurements during 23 eruptions. use this to classify eruptions on the basis magnitude intensity, as well shape TADR time series which characterizes each effusive event. find that while 1983–1993 was characterized by less frequent but longer-duration at lower TADRs, 2000–2010 more shorter duration higher TADRs....

10.1029/2011jb008237 article EN Journal of Geophysical Research Atmospheres 2011-08-05

Using thermal infrared images recorded by a permanent camera network maintained on Stromboli volcano (Italy), together with satellite and helicopter‐based image surveys, we have compiled chronology of the events processes occurring before during Stromboli's 2007 effusive eruption. These digital data also allow us to calculate effusion rates lava volumes erupted episode. At onset eruption, two parallel eruptive fissures developed within northeast crater, eventually breaching NE flank summit...

10.1029/2009jb006478 article EN Journal of Geophysical Research Atmospheres 2010-04-01

We present a new method that uses cooling curves, apparent in high temporal resolution thermal data acquired by geostationary sensors, to estimate erupted volumes and mean output rates during short lava fountaining events. The 15 minute of the allows phases waxing peak activity be identified (150‐to‐810 minute‐long) Cooling which decay over 8‐to‐21 hour‐periods following event, can also identified. Application 19 events recorded at Etna MSG's SEVIRI sensor between 10 January 2011 9 2012,...

10.1029/2012gl051026 article EN Geophysical Research Letters 2012-03-05

[1] The 11–13 January 2011 eruptive episode at Etna volcano occurred after several months of increasing ash emissions from the summit craters, and was heralded by SO2 output, which peaked ∼5000 megagrams/day hours before start activity. began with a phase Strombolian activity pit crater on eastern flank SE-Crater. Explosions became more intense time eventually transitional between fountaining, moving into lava fountaining phase. Fountaining accompanied output lower rim crater. Emplacement...

10.1029/2011jb008407 article EN Journal of Geophysical Research Atmospheres 2011-09-20

Abstract Two paroxysmal explosions occurred at Stromboli volcano in the Summer 2019, first of which, on July 3, caused one fatality and some injuries. Within 56 days between two explosions, effusive activity from vents located summit area occurred. No significant changes routinely monitored parameters were detected before explosions. However, we have calculated polarization fractal dimension time series seismic signals November 15, 2018 to September 2019 recognized variations that preceded...

10.1038/s41598-020-67220-1 article EN cc-by Scientific Reports 2020-06-24

Abstract Satellite remote sensing techniques and lava flow forecasting models have been combined to enable a rapid response during effusive crises at poorly monitored volcanoes. Here we used the HOTSAT satellite thermal monitoring system MAGFLOW emplacement model forecast hazards 2014–2015 Fogo eruption. In many ways this was one of major eruption recent years, since flows actually invaded populated areas. Combining data modeling allowed mapping probable evolution fields while ongoing...

10.1002/2015jb012666 article EN Journal of Geophysical Research Solid Earth 2016-03-19

Between 2011 and 2015, 49 paroxysmal explosive episodes occurred at two of Mt Etna's five summit craters: the New South-East Crater (NSEC) Voragine (VOR). At NSEC, each event was usually preceded by Strombolian activity, increasing in intensity with time, climaxed powerful lava fountains, often accompanied overflows from crater rim development ash plumes that spread several kilometres above hundreds away crater. In turn, plume caused fallout disruption to airports traffic on motorways well...

10.3389/feart.2018.00107 article EN cc-by Frontiers in Earth Science 2018-08-15

Between December 2020 and February 2022, the South East Crater of Etna has been source numerous eruptions, mostly characterized by emission lava fountains, pyroclastic material short-lasting flows. Here we estimate volume distribution deposits elaborating multi-source satellite imagery. SEVIRI data have elaborated using CL-HOTSAT to emitted during each event calculate cumulative volume; Pléiades WorldView-1 used derive Digital Surface Models, whose differences provide thickness distributions...

10.3390/rs15040916 article EN cc-by Remote Sensing 2023-02-07

Abstract The 23 November 2013 lava fountain at Etna volcano was the most explosive of last 44 episodes that have occurred in 2011–2013. We infer total magma volume erupted by thermal images analysis and show it characterized a very high time‐averaged‐discharge‐rate (TADR) ~360 m 3 s −1 , having ~1.6 × 10 6 dense‐rock equivalent just 45 min, which is more than times TADR observed during previous episodes. Two borehole dilatometers confirmed eruption dynamics inferred from images. When...

10.1002/2014gl060623 article EN Geophysical Research Letters 2014-07-04
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