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  • 1
    Publication Date: 2024-02-17
    Description: The Ischia island (Italy) is largely occupied by a resurgent caldera characterized by one of the highest uplift of its floor ever recognized, that is in the order of 1000 m over at least 55-33 ka. This process produced an asymmetric fault-bounded block, whose northern side experienced several shallow (〈 2 km depth) and destructive earthquakes in 1881, 1883 and 2017 (M4.0) (Selva et al., 2019). Presently the area is characterized by differential ground movements, generally dominated by subsidence of the resurgent block. This phenomenon is well constrained by the following levelling measurements. Vertical ground deformations of Ischia have been monitored by means of periodic measurements along a complex and dense leveling network, which was first established by Istituto Geografico Militare in 1913, following the 1881-1883 earthquakes and the intense flood of 1910. The present network, implemented through time, is 110 km long and includes 260 benchmarks. The reference benchmark for all measurements is installed along the northeastern coast, at Porto d'Ischia (Church of S. Maria di Portosalvo, elevation = 3.0360 m; Del Gaudio et al., 2011). The network is mainly arranged in loops because such a configuration permits to minimize and check the errors associated to the leveling measurements. The orthometric height of all benchmarks, computed with respect to the reference site, is obtained by minimizing the misclosures of each loop by means of a least-squares compensation applied to the measured elevation differences between successive benchmarks (Del Gaudio et al., 2011). Measurements were carried out in 1978, 1984, 1987, 1990, 1994, 1997, 2001, 2003, 2006, 2010 and 2017 (Database). The data have been analyzed and modelled by Trasatti et al., 2019. For the analysis the authors selected the more complete time series of 1987, 1990, 1994, 1997, 2001, 2003 and 2010. The last leveling of 2017 was carried out only along a small portion of the northern part of the network (Ricco et al., 2018) and does not permit a complete evaluation of the deformation field of the island. The complete dataset is presented in this database.
    Keywords: 1; 10; 100A; 100B; 100C; 101A; 101B; 102; 103; 103N; 104; 105; 106; 107; 108; 109; 11; 110; 111; 112; 113; 114; 115; 116; 117; 118; 119; 120; 121; 122; 123; 124; 125; 126; 127; 128; 129; 12A; 12B; 13; 130A; 130B; 131A; 132; 133; 134; 135; 136; 137; 138; 139A; 139B; 14; 140; 141; 142; 143; 144; 145; 146; 147; 148; 149; 15; 150A; 150B; 151; 152; 153; 154; 155; 156; 157; 158; 159; 16; 160; 161; 162; 163; 164; 165; 166; 167; 168; 169; 17; 170; 171; 172; 173; 174; 175; 176; 177; 178; 179; 180; 181; 182; 183; 184; 185; 186; 187; 188; 189; 18A; 19; 190; 191; 192; 193; 20A; 21; 21C; 22; 23A; 23B; 24; 25; 26A; 27; 28A; 28C; 29; 2B; 3; 30A; 31; 32; 33; 34; 35A; 35B; 36; 37; 38A; 38B; 39; 4; 40; 41; 42A; 42B; 43; 44; 45A; 45B; 46B; 47; 48; 49; 5; 50; 51; 52; 53; 54; 55A; 56A; 57; 58; 59; 6; 60A; 60B; 61; 62A; 62B; 63A; 63B; 64; 65A; 66A; 67; 68A; 69; 7; 70A; 70B; 71A; 71B; 71C; 71D; 71E; 72A; 72B; 72C; 73; 74; 75A; 75B; 76A; 76B; 77A; 77B; 77C; 78A; 78B; 79; 8; 80A; 81; 82; 83A; 83B; 84; 85B; 86B; 87; 88; 89; 9; 90; 91; 92; 93; 94A; 94B; 95; 96A; 96B; 97A; 97B; 98A; 98B; 99A; 99B; BENCH; caldera resurgence; ELEVATION; Elevation, error; Event label; ground deformation; Identification; INGV_Ischia-001; INGV_Ischia-002B; INGV_Ischia-003; INGV_Ischia-004; INGV_Ischia-005; INGV_Ischia-006; INGV_Ischia-007; INGV_Ischia-008; INGV_Ischia-009; INGV_Ischia-010; INGV_Ischia-011; INGV_Ischia-012A; INGV_Ischia-012B; INGV_Ischia-013; INGV_Ischia-014; INGV_Ischia-015; INGV_Ischia-016; INGV_Ischia-017; INGV_Ischia-018A; INGV_Ischia-019; INGV_Ischia-020A; INGV_Ischia-021; INGV_Ischia-021C; INGV_Ischia-022; INGV_Ischia-023A; INGV_Ischia-023B; INGV_Ischia-024; INGV_Ischia-025; INGV_Ischia-026A; INGV_Ischia-027; INGV_Ischia-028A; INGV_Ischia-028C; INGV_Ischia-029; INGV_Ischia-030A; INGV_Ischia-031; INGV_Ischia-032; INGV_Ischia-033; INGV_Ischia-034; INGV_Ischia-035A; INGV_Ischia-035B; INGV_Ischia-036; INGV_Ischia-037; INGV_Ischia-038A; INGV_Ischia-038B; INGV_Ischia-039; INGV_Ischia-040; INGV_Ischia-041; INGV_Ischia-042A; INGV_Ischia-042B; INGV_Ischia-043; INGV_Ischia-044; INGV_Ischia-045A; INGV_Ischia-045B; INGV_Ischia-046B; INGV_Ischia-047; INGV_Ischia-048; INGV_Ischia-049; INGV_Ischia-050; INGV_Ischia-051; INGV_Ischia-052; INGV_Ischia-053; INGV_Ischia-054; INGV_Ischia-055A; INGV_Ischia-056A; INGV_Ischia-057; INGV_Ischia-058; INGV_Ischia-059; INGV_Ischia-060A; INGV_Ischia-060B; INGV_Ischia-061; INGV_Ischia-062A; INGV_Ischia-062B; INGV_Ischia-063A; INGV_Ischia-063B; INGV_Ischia-064; INGV_Ischia-065A; INGV_Ischia-066A; INGV_Ischia-067; INGV_Ischia-068A; INGV_Ischia-069; INGV_Ischia-070A; INGV_Ischia-070B; INGV_Ischia-071A; INGV_Ischia-071B; INGV_Ischia-071C; INGV_Ischia-071D; INGV_Ischia-071E; INGV_Ischia-072A; INGV_Ischia-072B; INGV_Ischia-072C; INGV_Ischia-073; INGV_Ischia-074; INGV_Ischia-075A; INGV_Ischia-075B; INGV_Ischia-076A; INGV_Ischia-076B; INGV_Ischia-077A; INGV_Ischia-077B; INGV_Ischia-077C; INGV_Ischia-078A; INGV_Ischia-078B; INGV_Ischia-079; INGV_Ischia-080A; INGV_Ischia-081; INGV_Ischia-082; INGV_Ischia-083A; INGV_Ischia-083B; INGV_Ischia-084; INGV_Ischia-085B; INGV_Ischia-086B; INGV_Ischia-087; INGV_Ischia-088; INGV_Ischia-089; INGV_Ischia-090; INGV_Ischia-091; INGV_Ischia-092; INGV_Ischia-093; INGV_Ischia-094A; INGV_Ischia-094B; INGV_Ischia-095; INGV_Ischia-096A; INGV_Ischia-096B; INGV_Ischia-097A; INGV_Ischia-097B; INGV_Ischia-098A; INGV_Ischia-098B; INGV_Ischia-099A; INGV_Ischia-099B; INGV_Ischia-100A; INGV_Ischia-100B; INGV_Ischia-100C; INGV_Ischia-101A; INGV_Ischia-101B; INGV_Ischia-102; INGV_Ischia-103; INGV_Ischia-103N; INGV_Ischia-104; INGV_Ischia-105; INGV_Ischia-106; INGV_Ischia-107; INGV_Ischia-108; INGV_Ischia-109; INGV_Ischia-110; INGV_Ischia-111; INGV_Ischia-112; INGV_Ischia-113; INGV_Ischia-114; INGV_Ischia-115; INGV_Ischia-116; INGV_Ischia-117; INGV_Ischia-118; INGV_Ischia-119; INGV_Ischia-120; INGV_Ischia-121; INGV_Ischia-122; INGV_Ischia-123; INGV_Ischia-124; INGV_Ischia-125; INGV_Ischia-126; INGV_Ischia-127; INGV_Ischia-128; INGV_Ischia-129; INGV_Ischia-130A; INGV_Ischia-130B; INGV_Ischia-131A; INGV_Ischia-132; INGV_Ischia-133; INGV_Ischia-134; INGV_Ischia-135; INGV_Ischia-136; INGV_Ischia-137; INGV_Ischia-138; INGV_Ischia-139A; INGV_Ischia-139B; INGV_Ischia-140; INGV_Ischia-141; INGV_Ischia-142; INGV_Ischia-143; INGV_Ischia-144; INGV_Ischia-145; INGV_Ischia-146; INGV_Ischia-147; INGV_Ischia-148; INGV_Ischia-149; INGV_Ischia-150A; INGV_Ischia-150B; INGV_Ischia-151; INGV_Ischia-152; INGV_Ischia-153; INGV_Ischia-154; INGV_Ischia-155; INGV_Ischia-156; INGV_Ischia-157; INGV_Ischia-158; INGV_Ischia-159; INGV_Ischia-160; INGV_Ischia-161; INGV_Ischia-162; INGV_Ischia-163; INGV_Ischia-164; INGV_Ischia-165; INGV_Ischia-166; INGV_Ischia-167; INGV_Ischia-168; INGV_Ischia-169; INGV_Ischia-170; INGV_Ischia-171; INGV_Ischia-172; INGV_Ischia-173; INGV_Ischia-174; INGV_Ischia-175; INGV_Ischia-176; INGV_Ischia-177; INGV_Ischia-178; INGV_Ischia-179; INGV_Ischia-180; INGV_Ischia-181; INGV_Ischia-182; INGV_Ischia-183; INGV_Ischia-184; INGV_Ischia-185; INGV_Ischia-186; INGV_Ischia-187; INGV_Ischia-188; INGV_Ischia-189; INGV_Ischia-190; INGV_Ischia-191; INGV_Ischia-192; INGV_Ischia-193; Ischia, Italy; Ischia volcano; LATITUDE; levelling; LONGITUDE; Surveying benchmark; UTM Easting, Universal Transverse Mercator; UTM Northing, Universal Transverse Mercator; UTM Zone, Universal Transverse Mercator
    Type: Dataset
    Format: text/tab-separated-values, 2405 data points
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  • 2
    Publication Date: 2020-09-21
    Description: Recent strontium isotope (87Sr/86Sr) analyses of bones and teeth have provided useful archeological results for reconstructing past human migration and diet. We report 87Sr/86Sr ratios and DNA analyses of tooth enamel from individuals buried in some necropolises in Nola town, near Napoli (Campania, South Italy). These individuals lived in the period between the Avellino (1925 years BCE) and CE 472 Pollena Vesuvian eruptions and are dated on archeological basis to the time span between the sixth and second century BCE. Tooth enamel 87Sr/86Sr ratios (0.70788–0.70864) are higher than baseline values in the necropolises (0.70756–0.70792): this can be explained by assuming either that all the analyzed individuals are not local—an unlikely possibility—or that they ate both local and foreign food (within about 50 km), including 87Sr-rich seafood. An explanation for such a varied diet might be that the individuals from Nola were living near the Ancient Appia and Popilia ways and not far from the coastline. Whatever its origin, the 87Sr/86Sr ratios represent the isotopic signature of the local community living on the slopes of Mt. Somma-Vesuvius between the sixth and second centuries BCE. This knowledge will support future isotope studies on volcanic eruptions as possible causes of human migration.
    Description: Published
    Description: id 157
    Description: 1V. Storia eruttiva
    Description: 3V. Proprietà chimico-fisiche dei magmi e dei prodotti vulcanici
    Description: 6V. Pericolosità vulcanica e contributi alla stima del rischio
    Description: JCR Journal
    Keywords: Tooth enamel Sr isotopes ; Human migration . ; Mt. Somma-Vesuvius ; Buried individuals ; Necropolises of Nola
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 3
    Publication Date: 2020-10-16
    Description: Questa nota descrive i diversi luoghi d’Italia attraversati da Giuseppe Mercalli ripercorrendo il percorso scientifico di questo famoso studioso, che, attraverso la meticolosa descrizione dei più disparati fenomeni naturali, era alla continua ricerca della loro spiegazione, classificazione e quantificazione. Questa sua continua ricerca lo portò ad approfondire, tra l’altro, tematiche vulcanologiche e sismologiche e ad inserirsi brillantemente nel dibattito scientifico dell’epoca. Di notevole rilievo furono anche la sua attività come insegnante e la sua produzione scientifica e “didattica”. Infatti egli non abbandonò mai l’insegnamento delle Scienze Naturali, che lo portò ad attraversare l’Italia e a dotare i propri allievi di libri di testo di notevole valore e accuratezza [Mercalli, 1883a; Mercalli, 1883b; Mercalli, 1883c; Mercalli, 1883d; Mercalli, 1883e; Mercalli, 1907]. Giuseppe Mercalli nacque a Milano il 20 Maggio del 1850, da Carlo e da Carolina De Simone, artigiani tessili della seta. Terzogenito di cinque figli, iniziò privatamente i suoi studi, proseguendo quelli liceali nel Seminario di Monza per la cultura letteraria e scientifica, e quelli teologici nel Seminario Maggiore di Milano, dove ricevette l’ordinazione sacerdotale il 20 dicembre 1872 (Fig. 1). Nella Sezione Normale del Politecnico milanese, Mercalli frequentò le lezioni del corso di Scienze Naturali tenute dal geologo abate Antonio Stoppani. Qui ottenne nel 1874 il diploma di insegnante di Scienze Naturali.
    Description: Published
    Description: 40-49
    Description: 2TM. Divulgazione Scientifica
    Description: N/A or not JCR
    Keywords: Giuseppe Mercalli ; percorso scientifico ; Italia
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 4
    Publication Date: 2020-10-16
    Description: La valorizzazione del territorio passa necessariamente attraverso la possibilità di mettere in luce le eccellenze che lo rendono un patrimonio unico attraverso l'integrazione tra di esse.....
    Description: Published
    Description: 1-16
    Description: 2TM. Divulgazione Scientifica
    Keywords: Reale Osservatorio Vesuviano ; il Parco Nazionale del Vesuvio ; valorizzazione del territorio
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: book chapter
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  • 5
    Publication Date: 2020-11-18
    Description: The Pomici di Avellino eruption is the Plinian event of Vesuvius with the highest territorial impact. It affected an area densely inhabited by Early Bronze Age human communities and resulted in the long- term abandonment of an extensive zone surrounding the volcano. Traces of human life beneath the eruption products are very common throughout the Campania Region. A systematic review of the available archaeological data, the study of geological and archaeological sequences exposed in excava- tions, and the reconstruction of the volcanic phenomena affecting single sites has yielded an under- standing of local effects and their duration. The archaeological and volcanological analyses have shown that the territory was rapidly abandoned before and during the eruption, with rare post-eruption at- tempts at resettlement of the same sites inhabited previously. The definition of the distribution and stratigraphy of alluvial deposits in many of the studied sequences leads us to hypothesise that the scarce presence of humans during phases 1 and 2 of the Middle Bronze Age in the wide area affected by the eruption was due to diffuse phenomena of remobilisation of the eruption products, generating long- lasting alluvial processes. These were favoured by the deposition of loose fine pyroclastic material on the slopes of the volcano and the Apennines, and by climatic conditions. A significant resettlement of the territory occurred only hundreds of years after the Pomici di Avellino eruption, during phase 3 of the Middle Bronze Age. This study show the role of volcanic and related phenomena from a Plinian event in the settlement dynamics of a complex territory like Campania.
    Description: Published
    Description: 231-244
    Description: 1V. Storia eruttiva
    Description: 5V. Dinamica dei processi eruttivi e post-eruttivi
    Description: 6V. Pericolosità vulcanica e contributi alla stima del rischio
    Description: JCR Journal
    Keywords: Plinian eruption Eruption impact ; Volcanoclastic mass flow ; Vesuvius ; Bronze Age ; Eruption impact
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 6
    Publication Date: 2020-11-12
    Description: The purpose of this work is to study the subsoil structure of the Campi Flegrei area using both spectral ratios and array techniques applied to seismic noise. We have estimated the dispersion curves of Rayleigh waves by applying the Frequency–Wavenumber (f–k hereinafter) and Modified Spatial Autocorrelation (MSPAC) techniques to the seismic noise recorded by the underground short period seismic Array “ARF”, by the broadband stations of the UNREST experiment and by the broadband stations of the seismic monitoring network of INGV – Osservatorio Vesuviano. We have performed the inversion of a dispersion curve (obtained averaging the f–k and MSPAC dispersion curves of seismic noise and single phase velocity values of coherent transient signals) jointly with the H∕V spectral ratio of the broadband station CELG, to obtain a shear wave velocity model up to 2000 m depth. The best-fit model obtained is in a good agreement with the stratigraphic information available in the area coming from shallow boreholes and deep wells drilled for geothermal exploration. In active volcanic areas, such as Campi Flegrei, the definition of the velocity model is a crucial issue to characterize the physical parameters of the medium. Generally, a high quality characterization of the medium properties helps to separate the contributions of the volcanic source, path and site in the geophysical observables. Therefore, monitoring possible variations in time of such properties in general can help to recognize anomalies due to the volcano dynamics, i.e. fluid migration connected to the volcanic activity.
    Description: Published
    Description: 75–85
    Description: 2V. Struttura e sistema di alimentazione dei vulcani
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 7
    Publication Date: 2020-12-03
    Description: Small landslides to large debris flows and debris avalanches affected the Neapolitan territory surrounding the active volcanoes of the area: Vesuvius, Campi Flegrei and Ischia. Their variable intensity explosive eruptions produced significant quantities of loose pyroclastic material on the slopes of the volcanoes and of the surrounding reliefs. Remobilization processes of this material occurred during and soon after large explosive eruptions, although their intensity and frequency decreased during inter-eruptive periods. The intensity of these processes varies with the different eruptions and is strongly dependent on availability of fine ash in proximal and distal areas. The areas involved varies from hundreds to millions square meters. The syn-eruptive debris flows of the Vesuvius 472 AD eruption are described in detail. Huge ground uplift of the central part of the Ischia resurgent caldera generated debris/rock avalanches, which likely caused tsunamis. Archaeological sites affected by syn-eruptive debris flows have been selected to show the effects of their deposition. Hydraulic risk and risk mitigation actions, emergency management and preparedness measures will be discussed in one of the areas mostly affected by recent debris flows. At Ischia the characteristics of debris/rock avalanches and lahars related to the resurgence and to the reactivation of volcanism will be discussed.
    Description: Published
    Description: 1-53
    Description: 1V. Storia eruttiva
    Description: 5V. Processi eruttivi e post-eruttivi
    Description: JCR Journal
    Keywords: volcanism ; landslides ; debris flows ; debris avalanches ; hydraulic risk ; risk mitigation ; 04.08. Volcanology ; 04.04. Geology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 8
    Publication Date: 2020-12-14
    Description: We reconstructed the late Holocene relative sea-level (RSL) evolution of the ancient harbour of Naples, one of the largest coastal conurbations in the Mediterranean. We carried out multiproxy investigations, coupling archaeological evidence with biological indicators. Our data robustly constrain 2000 yr of non-monotonic changes in sea level, chiefly controlled by the complex volcano-tectonic processes that characterize the area. Between ∼200 BC and AD ∼0, a subsidence rate of more than ∼1.5 mm/yr enhanced the postglacial RSL rise, while negligible or moderate land uplift 〈 ∼0.5 mm/yr triggered a RSL stabilization during the Roman period (first five centuries AD). This stabilization was followed by a post-Roman enhancement of the sea-level rise when ground motion was negative, attested by a subsidence rate of ∼0.5 to ∼1 mm/yr. Our analysis seems to indicate very minor impacts of this nonmonotonic RSL evolution on the activities of the ancient harbour of Naples, which peaked from the third century BC to the second century AD. After this period, the progressive silting of the harbour basin made it impossible to safely navigate within the basin, leading to the progressive decline of the harbour.
    Description: Published
    Description: 284-298
    Description: 1V. Storia eruttiva
    Description: JCR Journal
    Keywords: Geo-archeology ; Sea-level changes ; Ancient harbours ; Naples ; Volcano-tectonics ; Mediterranean Sea ; Parthenope-Neapolis
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 9
    Publication Date: 2020-10-16
    Description: The Reale Osservatorio Vesuviano (ROV), historic home of the Istituto Nazionale di Geofisica e Vulcanologia (INGV), is the oldest volcanological observatory in the world. It was founded in 1841 by the Bourbon king of Naples. The building is located on the western slope of Mount Vesuvius, one of the most famous and dangerous volcanoes in the world. ...
    Description: Published
    Description: Vienna | Austria | 12 – 17 April 2015
    Description: 2TM. Divulgazione Scientifica
    Keywords: Reale Osservatorio Vesuviano
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Abstract
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  • 10
    Publication Date: 2020-10-16
    Description: The Vesuvius Observatory is the first volcanological observatory in the world. Since its foundation in 1841 and thanks to the approval of King Ferdinand II of Bourbon, in this site began the systematic study of Vesuvius and its eruptive activity. The Observatory site must be considered among the most representative geosites of the Vesuvius surroundings, due to the geological setting of the area and its historical and scientific value. In the XIX century volcanologists based much of their research on the direct observation of the volcanoes, so it was decided to found the Observatory not far from the Vesuvius crater. The choice could seem hazardous, but actually it never was. In fact at that time the Vesuvius activity was only characterized by effusive or low-energy explosive eruptions, and the site was always only lapped by lava flows, as reported in the first volcanological map of Vesuvius, by Johnston Lavis (1888). Names of distinguished scientists, who have dedicated their entire lives to the study of the volcano, are the flagship of the Vesuvius Observatory since its foundation. Many of them have directed it, thus linking their name to this site as well as to important discoveries in both volcanological and seismological fields. At present the historical site of the Vesuvius Observatory hosts a permanent exhibition, in which collections of great scientific, artistic and cultural value – unique for their abundance and variety – tells the story of this institution. The exhibition also introduces the visitors to volcanism and related hazards, the forecasting of volcanic eruptions and the monitoring systems of active volcanoes, proposing itself as an invaluable instrument of risk mitigation, by increasing the population awareness about the threat posed by these volcanoes and generating the conditions for a correct land-planning and management, and a sustainable development of the territory.
    Description: INGV - Istituto Nazionale di Geofisica e Vulcanologia ; Parco Nazionale del Vesuvio
    Description: Unpublished
    Description: Napoli 2 →7 Settember 2018, Italy.
    Description: 2TM. Divulgazione Scientifica
    Keywords: Vesuvius Observatory
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Poster session
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