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40 results for “Etna”
Infrasound array data recorded in July-August, 2019, at Mt. Etna (Italy) during the VOSSIA field experiment
<p>We present infrasound data recorded by two infrasound arrays installed at Mt. Etna (Italy) within the framework of the VOSSIA (Volcanic emissions analysis through Seismic and Infrasound Advanced monitoring) project. VOSSIA was supported by the Trans-National Access component of the EUROVOLC project (European Network of Observatories and Research Infrastructures for Volcanology, EU Horizon 2020 Research Infrastructure Project grant No 731070).</p> <p>This data repository includes continuous raw waveforms recorded by two 6-element, small-aperture, infrasound arrays during July-August, 2019. The arrays, ENEA and ENCR, were installed on Mt. Etna in proximity of the summit Nord East and South East craters, respectively. ENEA was equipped with Chaparral M60 sensors (<a href="http://chaparralphysics.com/specs/specs_model60UHP.pdf">http://chaparralphysics.com/specs/specs_model60UHP.pdf</a>), while IST2018 microphones (<a href="https://doi.org/10.1016/j.jvolgeores.2019.106668">https://doi.org/10.1016/j.jvolgeores.2019.106668</a>) were installed at ENCR. Data at both arrays were recorded with a sampling frequency of 100 Hz and 24-bit resolution using DiGOS Datacube<sup>3</sup> digitizers (<a href="https://digos.eu/seismology-and-cubes/">https://digos.eu/seismology-and-cubes</a>).</p> <p>Waveform data are provided as day-long files in MSEED format (<a href="https://ds.iris.edu/ds/nodes/dmc/data/formats/">https://ds.iris.edu/ds/nodes/dmc/data/formats/</a>).</p> <p>We also provide metadata including:</p> <p>1) Station coordinates (.csv file station_coords.csv);</p> <p>2) Instrument_response.rar: Instrument response information in different formats (individual RESP files, SEED DATALESS, xlm DATALESS)</p>
Seismic dataset. Mt. Etna, November, 2013.
<p>We present a seismic dataset recorded during November 2013 by a 3 components seismic station, called EBEM, belonging to the Istituto Nazionale di Geofisica e Vulcanologia, Osservatorio Etneo monitoring network. This dataset is part of a researcher paper <em>“A successful short-term volcanic eruption forecasting using seismic features”</em>. </p> <p>This data repository includes continuous raw waveforms (Z component) in SAC format, and related metadata. The seismic station EBEM was located at an elevation of about 2700 m a.s.l., at a distance of about 1500 m from the South-East Crater.</p> <p>The EBEM station was equipped with a Lennartz LE-3D/20s (T=20s) 3 components, with flat frequency response of 0.05 - 50 Hz (<a href="https://www.nanometrics.ca/products/seismometers">https://www.lennartz-electronic.de/wp-content/uploads/2021/04/Lennartz-SeismometerManual.pdf</a>).</p> <p>Data were sampled at 100 Hz using Nanometrics Trident digital data recorders (https://www.nanometrics.ca). Trident recorders have a resolution of 24 bit (at 100 Hz), and a GPS timing accuracy of <100 microseconds to UTC.</p> <p> </p> <p> </p> <p>Acknowledgment:</p> <p>This dataset is part of the paper <em>“A successful short-term volcanic eruption forecasting using seismic features”</em>, that was partially supported by the Spanish FEMALE project (PID2019-106260GB-I00). P. Rey-Devesa was funded by the Ministerio de Ciencia e Innovación del Gobierno de España (MCIN), Agencia Estatal de Investigación (AEI), Fondo Social Europeo (FSE), and Programa Estatal de Promoción del Talento y su Empleabilidad en I+D+I Ayudas para contratos predoctorales para la formación de doctores 2020 (PRE2020-092719). Ivan Koulakov was supported by the Russian Science Foundation (Grant No. 20-17-00075). Luciano Zuccarello was supported by the INGV Pianeta Dinamico 2021 Tema 8 SOME project (grant no. CUP D53J1900017001) funded by the Italian Ministry of University and Research “Fondo finalizzato al rilancio degli investimenti delle amministrazioni centrali dello Stato e allo sviluppo del Paese, legge 145/2018”.</p>
Supplementary Datasets for the Paper "A new view of seismicity under Mt. Etna volcano, Italy, 2014-2023 from multi-scale high-precision earthquake relocations"
<p>Supplementary Datasets for the Paper <br><strong>Mapping finite-fault earthquake slip with spatial correlation between seismicity and point-source Coulomb failure stress change </strong><br>by Anthony Lomax, Tiziana Tuvè, Elisabetta Giampiccolo, Ornella Cocina<br>DOI: <a href="https://doi.org/10.48550/arXiv.2404.05437" target="_blank" rel="noopener">https://doi.org/xxxx</a></p> <p><strong>20240724A_Etna_Seismicity_2014-2023_INGV-OE_NLL-SC.csv</strong> is the catalog of NLL-SC relocations presented in the paper in CSV (.csv) format.</p> <p><strong>File_S1_catalog_config_run.zip</strong> includes the relocated NLL-SC catalog in CSV (.csv) and NLL-Hypocenter (.hyp) formats, along with pick data, configuration and other files used to run the NLL-SC relocations presented in the paper.</p>
Sulphur Dioxide (SO2) emitted by Mount Etna on 4 March 2021
<p>Tracking volcanic Sulphur Dioxide (SO2) emitted by Mount Etna on 4 March 2021 that reached China with Sentinel-5P/TROPOMI data (<a href="https://www.volcanodiscovery.com/kunlun/news/124081/SO2-cloud-detected-in-the-area-of-Kunlun-volcano-Tibet-could-it-be-from-a-volcanic-eruption.html">Volcano Discovery article</a>).</p> <p> </p>
Radon (222Rn) activity in air on the crater rim of Mt. Etna Central Crater (May-October 2018)
<p><em>The dataset in the file dataset_radon.xlsx compiles radon (<sup>222</sup>Rn) activity values measured in air on the rim of Mt. Etna Central Crater with passive dosimeters during summer 2018. Passive dosimeters were installed all around the crater and in four reference sites, at two different heights above the ground (5 cm and 1 m). Geographical coordinates of installation points are given in the file. Exposition periods given in the dataset started and ended as follows: May-Oct (24/05/18-11/10/18), May-Jul (24/05/18-06/07/18) and Jul-Oct (06/07/18-11/10/18). The uncertainty for each dosimeter is given with a confidence interval of 2-σ. Dosimeters are grouped according to the sector of the rim (Nort-West, North-East, South-East and South-West + reference sites). For group mean values, the uncertainty corresponds to the standard deviation of the mean (standard deviation of the population divided by the square root of the number of elements in the population). “lost” indicates a dosimeter that was lost during the exposition, “udl” refers to a dosimeter that was under detection limit, and “damaged” corresponds to a dosimeter that was corroded by acids and could not be analysed or that was clogged in soldered dust preventing radon from entering the capsule. Note that one station (namely, that closest to the Voragine vent) was excluded from the computation of the mean value of the NE sector. </em></p> <p><em>The dataset in the file SO2_flux.pdf contains the time series of the daily bulk SO<sub>2</sub> flux measured at Mount Etna during the period 01/04/18-30/10/18.</em></p>
Dataset of blow fly (Diptera: Calliphoridae) species observed along an elevational gradient on Mt. Etna, Sicily.
<p>This dataset contains count data for blow flies (Diptera: Calliphoridae) collected at four different elevations along an altitudinal gradient around Mt. Etna, in Sicily (Italy). Samples were collected to determine changes in blow fly community assembly as elevation changes.</p> <p>BlowflyAltitudeSicily_Data.csv is a file that contains the raw count data for species separated by both elevation and sex of the identified specimens.</p> <p>BlowflyAltitudeSicily_Methods.docx is a summarized version of the sampling method relevant to interpreting the data.</p> <p>BlowflyAltitudeSicily_Descriptive.txt is a file describing the column headers in "BlowflyAltitudeSicily_Data.csv".</p>
Complex Lava Tube Networks Developed Within the 1792-93 Lava Flow Field on Mount Etna (Italy): Insights for hazard assessment Supporting Informations: Maps and sections of the lava tubes
<div> <div> <div> <p>This supporting information for the above paper submitted to Frontiers in Earth Science - Volcanology, comprises Table 1, as well as the maps and sections of the 8 lava tubes analyzed in this paper, that are located within the 1792-93 lava flow field at Etna volcano. The methods used for the new surveys of the lava tubes are also explained.</p> </div> </div> </div>
Star Trails And Lava Plume on Mount Etna February 2021, by Dario Giannobile, Italy
<p>Third place in the IAU OAE Astrophotography Contest, category Star trails.</p> <p>This spectacular image captures some of the most dramatic expressions of Nature, the eruption of a volcano and the night sky. The volcano in the foreground is Mount Etna, located in Sicily/Italy, during an eruption in February 2021. In the background, we can see the star trails resulting from the Earth's motion around its imaginary axis. As Mount Etna is located about 37° N, we can notice that the arcs are quite open, as this is far from the North Pole, from where the view from the sky would provide traces drawing circles. As we move to the Equator, either from the Southern or Northern Hemisphere, the star traces become more and more parallel, instead of circular, as the viewer moves away from the zenith pointing to one of the Earth's rotational axes. Therefore, the sky presents us with valuable information about location and time and was an important practice for ancient civilizations to follow the movement of the celestial bodies. The image also captures the varying colours of stars which result from differece in the temperature of stars: higher temperature stars are bluer, compared to the lower temperature white and red stars.</p> <p>Credit: Dario Giannobile/IAU OAE</p>
2002 and 2022 fault ruptures along the Timpe faults system (Mt. Etna)
<p>This dataset includes two shape files with ground ruptures observed on Mt. Etna in 2002 and 2022, in particular:</p> <ul> <li>the surface faulting, along the Santa Venerina, San Giovanni Bosco, Guzzi, and Scillichenti Faults accompanying the October 29 2002 earthquakes;</li> <li>the surface faulting along the creeping Scalo Pennisi (SCA) Fault observed on 29 October 2002 and 8 February 2022;</li> </ul> <p>Each shape file is associated with a database that contains information on: strike, length (m), heave (i.e., horizontal displacement in cm), throw (i.e., vertical displacement in cm), net slip displacement (cm), slip trend and plunge from certain piercing points.</p> <p>The dataset is associated with the paper: <em>"Aseismic creep and gravitational sliding on the lower eastern flank of Mt. Etna: insights from the 2002 and 2022 fault rupture events between Santa Venerina and Santa Tecla" </em>by G. Tringali, Bella, D., Livio F., Ferrario M. F., Groppelli G., Pettinato R., Michetti A. M.</p> <p> </p>
Orion Rises Over Mount Etna
<p>Honourable mention in the 2022 IAU OAE Astrophotography Contest, category Still images of celestial patterns.</p> <p> </p> <p>Taken in February 2021, this image is a composite of an astronomy picture in the background and Mount Etna, the famous volcano in Sicily, Italy, in the foreground. Prominently, we see the red hydrogen clouds in space in the area of Orion. Barnard’s Loop is the gigantic bow with the Great Orion Nebula and the Horsehead Nebula in its centre. The deeper-coloured Horse Head is below the southernmost stars in Orion’s Belt, which is the line of white stars above the red nebula. Clearly visible is also the division between the Small and the Great Orion Nebula, the circular and the trapezium-shaped structure in light pink within which one of the nearest star-forming regions is located. The nebula is only a bit more than a thousand light-years away.</p> <p>In the middle-left, close to the edge of the image, the small red structure is the Monkey Head Nebula still in the constellation Orion. It hosts a young star cluster and the deep red colour of this hydrogen cloud indicates its potential to build new stars in the future if the material is compressed again. All these reddish objects are strongly processed in this image, as they are not visible to the unaided eye.</p> <p>Still, this image provides an interesting feature; the red supergiant star Betelgeuse lies in the middle of the image and it seems to be directly above the active volcano Mount Etna. At the foot of this volcano is an ancient settlement, the city of Catania. We consider both Betelgeuse and Mount Etna somehow dangerous — but which of them will erupt first?</p> <p><br> Ok, we know that Etna occasionally erupts. Normally it exhibits only small eruptions, but the bigger ones happen every few centuries. We also know that Betelgeuse as a giant star will become a supernova in the future. Astronomers call the timescale for the potential supernova short, implying that it will be only 10 000 or maybe 100 000 years until this star explodes. This is “soon” for astronomers, meaning that on Earth, two to four precession cycles will pass by (with the consequence that the Sahara will turn green and dry again two to four times), continental drift will take Africa further north and cause the Alps to grow in height, the Niagara falls in America will wash the rock completely away and only after all this (and much more) happening on Earth will Betelgeuse explode as a supernova. Mount Etna is much more dangerous for the people in Sicily, and Catania in particular, because it will erupt sooner.</p> <p>Credit: Dario Giannobile/IAU OAE (<a href="https://creativecommons.org/licenses/by/4.0/legalcode">CC BY 4.0</a>)</p>
Fig. 2 in Distribution and bioclimatic suitability of Duvalius hartigi, subterranean beetle from the lava caves of Mount Etna (Coleoptera: Carabidae, Trechinae)
Fig. 2 – Distribution of Duvalius beetles in Sicily (above) and predicted current distribution for Duvalius hartigi on Mount Etna based on Maxent model. Species of Sicilian Duvalius are numbered in order of description year: 1 – D. siculus; 2 – D. silvestrii; 3 – D. marii; 4 – D. hartigi; 5 – D. petriolii; 6 – D. aliciae; 7 – D. adelphus; 8 – D. ribaudoi; 9 – D. patronitii. Blue circles represent literature data and yellow circles represents original data gathered in this work. The pink line represents the boundary of the Etna Park and the inset graph represents the relationships between environmental predictor variables (BIO16, BIO04) and the probability of occurrence of D. hartigi.
26 December 2018 surface ruptures along the eastern flank of Mt. Etna
<p>This dataset includes two shape files with ground breaks observed on Mt. Etna after the 26 December 2018 earthquake and aseismic creep event, in particular:</p> <ul> <li>the surface faulting, along the Fleri, Fiandaca, Aci Catena and Aci Platani faults;</li> <li>the ground breaks related to slope instabilities;</li> </ul> <p>The shape files have a database with informations on: strike, length (m), heave (i.e., horizontal displacement in cm), throw (i.e., vertical displacement in cm), strike-slip (cm), net slip displacement (cm), kinematics, slip trend and plunge from certain piercing points.</p> <p>The dataset is an updated and an upgrade of the one associated with the paper: <em>"Fault rupture and aseismic creep accompanying the December 26, 2018, Mw 4.9 Fleri earthquake (Mt. Etna, Italy): Factors affecting the surface faulting in a volcano-tectonic environment" </em>by G. Tringali, Bella, D., Livio F., Ferrario M. F., Groppelli G., Blumetti A.M., Di Manna P., Vittori T., Guerrieri L., Porfido S., Boso D., Pettinato R., Paradiso G., Michetti A.M. (<a href="https://doi.org/10.1016/j.quaint.2021.12.019">https://doi.org/10.1016/j.quaint.2021.12.019</a>).</p>
Dataset of the analysis described in the article: EM signal penetration in a planetary soil simulant: Estimated attenuation rates using GPR and TDR in volcanic deposits on Mount Etna
<p>GPR and TDR Data collected at two sites on Mount Etna.</p> <p>See for more details the article</p>
Dataset for: "Gas buffering of magma chamber contraction during persistent explosive activity at Mt. Etna volcano"
<p>Data used for generating the figures in the paper "Gas buffering of magma chamber contraction during persistent explosive activity at Mt. Etna volcano", accepted for publication in Nature Communications Earth & Environment.</p>
Etna Turpentine Still
This model is of a turpentine still located at the early 20th century Etna Turpentine Camp, located within the Withlacoochee State Forest, Florida. 3D model was made in Reality Capture software using multiple scans collected from two FARO Focus3D terrestrial laser scanners. Source: Objaverse 1.0 / Sketchfab
Rock magnetic fingerprint of Mt. Etna volcanic ash: the dataset
<p>This dataset refers to the article: "Rock magnetic fingerprint of Mt. Etna volcanic ash" by the same authors, published in Geophysical Journal International, https://doi.org/10.1093/gji/ggac213.</p> <p>A detailed rock magnetic study was conducted on ash samples collected from different products erupted during explosive activity of Mount Etna, Italy, in order to test the use of magnetic properties as discriminating factors among them, and their explosive character in particular.<br> Samples include tephra emplaced during the last 18 ka: the benmoreitic Plinian eruptions of the Pleistocene Ellittico activity from marine core ET97-70 (Ionian Sea) and the basaltic Holocene FG eruption (122 BC), the Strombolian/Phreatomagmatic/sub-Plinian eruptions (namely, the Holocene TV, FS, FL, ETP products, and the 1990, 1998 eruptions) collected from the slope of the volcano, and the Recent explosive activity (lava fountains referred to as “Ash Rich Jets and Plumes”, or ARJP) that occurred in the 2001-2002 period, related to flank eruptions.<br> A full set of rock magnetic experiments were carried out to determine the magnetic mineralogy and the magnetic grain size at the Institute for Rock Magnetism at the University of Minnesota, including First-Order Reversal Curves (FORCs), hysteresis loops and backfield DC demagnetization remanence curves (DCD or Backfield curves) at room temperature on Princeton Measurements Corporation (Princeton, NJ) Vibrating Sample Magnetometers (VSMs).<br> Low temperature (LT) experiments were conducted on Quantum Design (San Diego, CA) Magnetic Properties Measurement Systems (MPMS-XL and 5S). LT experiments were carried out by measuring the magnetic remanence on warming from 10 K to room temperature (300 K) after cooling in a 2.5 T field (field cooled remanence, FC), as well as after cooling in zero field and applying a saturation isothermal remanent magnetization (SIRM) of 2.5 T at 10 K (zero-field cooled remanence, ZFC). A room temperature (RT) 2.5 T SIRM was also applied at 300 K and the remanence was measured upon temperature cycling to 10 K and back (RTSIRM). AC susceptibility as a function of temperature and frequency (1, 10, 100 Hz or 1, 5, 32, 178, 1000 Hz) was also measured for selected specimens from the three groups of samples.<br> Room temperature susceptibility measurements as a function of field amplitude (10, 20, 40, 80, 120, 200, 400 A/m) were carried out on the Late Pleistocene samples using a Magnon susceptibility system. Saturation magnetization on warming between room temperature and 700°C (Ms-T) was measured on selected specimens using a horizontal Curie balance with Argon gas circulation to limit oxidation processes during heating. Likewise, magnetic susceptibility on warming between room temperature and 700°C (<em>X</em>-T) was measured on a Kappabridge KLY-2 (Brno, Czech Republic) using fields of 300 A/m and 920 Hz. Ms-T and <em>X</em>-T curves are collectively referred to as thermomagnetic curves.</p>
Supporting Information for "Quantifying the statistical relationships between flank eruptions and major earthquakes at Mt. Etna volcano (Italy)". Data Sets S1-S7.
<p>This compressed folder contains supporting information related to the manuscript: "Quantifying the statistical relationships between flank eruptions and major earthquakes at Mt. Etna volcano (Italy)".</p> <p>Data Set S1. Catalog of flank eruptions<br> Historical catalog of flank eruptions of Mt. Etna from 1600 to 2018.</p> <p>Data Set S2. Catalog of major earthquakes<br> Macroseismic catalog of Etnean earthquakes from 1800 to 2018.</p> <p>Data Set S3. GIS dataset of Eruptive fissures<br> GIS shapefiles of eruptive fissures at Mt. Etna from 1800 to 2018. UTM WGS84, Zone 33 N.</p> <p>Data Set S4. Tests with ±2 months maximum inter-event time <br> Histograms of the inter-event time of earthquakes and flank eruptions lesser than ±2 months. Pie charts of the positive values (dark colors), negative values in [-2.5, 0] days (light colors), and lower than -2.5 days (white) are reported.</p> <p>Data Set S5. Tests with dt = 5 days moving window <br> Conditional rates of major earthquakes less than ±4 months from flank eruptions, obtained assuming dt = 5 days instead of dt = 10 days. A solid line marks the average annual rate of the earthquakes, and bold lines threshold rates 2, 5, and 10 times larger than the average value.</p> <p>Data Set S6. Tests on the eruptions end, including earthquakes in ±2.5 days from the onset<br> Conditional rates of major earthquakes less than ±4 months from flank eruptions end, obtained without excluding the earthquakes occurred in ±2.5 days from the onset. A solid line marks the average annual rate of the earthquakes, and bold lines threshold rates 2, 5, and 10 times larger than the average value.</p> <p>Data Set S7. Summary of inter-event time histograms <br> Histograms of the inter-event time of earthquakes and flank eruptions lesser than ±4 months, also decomposed according to spatial groups E1-E4 and fault systems F1-F4. Light-colored bars highlight the eruptions > 2850 m.a.s.l.</p>
Edoxaban Treatment in Routine Clinical Practice in Patients With Venous Thromboembolism in Korea and Taiwan (ETNA-VTE-KOR-TWN)
ClinicalTrials.gov study NCT02952599. IPD Sharing: YES. Countries: 2. Publications: 1.
Edoxaban Treatment in Routine Clinical Practice for Patients With Atrial Fibrillation in Korea and Taiwan (ETNA-AF-KOR-TWN)
ClinicalTrials.gov study NCT02951039. IPD Sharing: YES. Countries: 2. Publications: 5.
Edoxaban Treatment in Routine Clinical Practice for Patients With Non-valvular Atrial Fibrillation (ETNA-AF-Hong Kong)
ClinicalTrials.gov study NCT03247582. IPD Sharing: YES. Countries: 1. Publications: 2.
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