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  • 1
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    Using advanced accelerators to understand the lower mantle and beyond (2006)
    Elsevier
    Details
    Publication Date: 2006-08-01
    Print ISSN: 0016-7037
    Electronic ISSN: 1872-9533
    Topics: Chemistry and Pharmacology , Geosciences
    Published by Elsevier
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    PAPER CURRENT
  • 2
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    The local site response of historic centre of Camerino by MEMS accelerometers Urban Seismic Network (2023)
    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Details
    Publication Date: 2023-07-13
    Description: In the framework H2020-ARCH project, an Urban Seismic Network (USN) based on MEMS accelerometers was implemented in and around the historic centre of Camerino. These sensors lend themselves to being installed in dense configurations in urban environments due to their low cost, moreover their lower performance is acceptable also given the high environmental noise generally recorded . The technology used to reduce costs and dimensions is MEMS, with the support of ARM processors for data storage operations locally and in remote servers. These accelerometer stations can be easily installed into the buildings or on footings in roadside cabinets. The innovation that we want to show with this work is the opportunity to use these systems to carry out measurable information for the characterization of the local site response. The historic centre of Camerino is located along a natural hill and has a high density of buildings of historical-cultural value, which suffered widespread damage during the 2016-2017 sequence of Central Italy. The accelerometric network allowed to record the Mw5.5 earthquake event of the sequence along the Unbro-Marche coast and other local events of lower intensity. These recordings, also combined with previous measurements of environment noise, made it possible to obtain information about local effects on different parts of the town centre.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 3
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    The marine activities performed within the TOMO-ETNA experiment (2017)
    Details
    Publication Date: 2021-04-07
    Description: The TOMO-ETNA experiment was planned in order to obtain a detailed geological and structural model of the continental and oceanic crust beneath Mt. Etna volcano and northeastern Sicily up to the Aeolian Islands (southern Italy), by integrating data from active and passive refraction and reflection seismic methodologies, magnetic and gravity surveys. This paper focuses on the marine activities performed within the experiment, which have been carried out in the Ionian and Tyrrhenian Seas, during three multidisciplinary oceanographic cruises, involving three research vessels (“Sarmiento de Gamboa”, “Galatea” and “Aegaeo”) belonging to different countries and institutions. During the offshore surveys about 9700 air-gun shots were produced to achieve a high-resolution seismic tomography through the wide-angle seismic refraction method, covering a total of nearly 2650 km of shooting tracks. To register ground motion, 27 ocean bottom seismometers were deployed, extending the inland seismic permanent network of the Istituto Nazionale di Geofisica e Vulcanologia (INGV) and a temporary network installed for the experiment. A total of 1410 km of multi-channel seismic reflection profiles were acquired to image the subsurface of the area and to achieve a 2D velocity model for each profile. Multibeam sonar and sub bottom profiler data were also collected. Moreover, a total of 2020 km of magnetic and 680 km of gravity track lines were acquired to compile magnetic and gravity anomaly maps offshore Mt. Etna volcano. Here, high-resolution images of the seafloor, as well as sediment and rock samples, were also collected using a remotely operated vehicle.
    Description: Published
    Description: S0428
    Description: 3A. Ambiente Marino
    Description: JCR Journal
    Description: open
    Keywords: Scientific cruise report ; Marine geophysical data acquisition ; Etna offshore ; Ionian and Tyrrhenian Seas ; 04. Solid Earth::04.04. Geology::04.04.04. Marine geology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 4
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    The Stromboli geophysical experiment. Preliminary report on wide angle refraction seismics and morphobathymetry of Stromboli Island (Southern Tyrrhenian Sea, Italy) based on integrated offshore-onshore data acquisition (Cruise STR06 R/V URANIA) (2007)
    Details
    Publication Date: 2021-07-14
    Description: Cruise STR06 on R/V Urania was performed in the framework of the ”INGV - DPC V2 - Monitoring and research activity at Stromboli and Panarea - Unit V2/03”, and resulted as a joint initiative between CNR (IAMC, Napoli and ISMAR, Bologna), INGV (Roma2, Osservatorio Vesuviano, Catania, Gibilmanna-CNT), University of Firenze and DPC, aiming to produce a seismic tomography of the Stromboli volcano, South Eastern Tyrrhenian Sea [Fig.1], and have insights into its 2-D structure and magma chambers. Cruise work plan was designed to extend at sea the existing Seismographic Network, complemented by several mobile stations, and to generate seismic shots by air-gun tuned array. 10 OBS were deployed around Stromboli, along the NE, SE and SW flanks of the volcano, according to (a) morphobathymetric analysis of available and newly produced DTMs, (b) modeling and (c) optimal lineaments with on-land recording stations. Seismic shots along radial and circle lines were obtained by a 4 GI-GUN 105+105 C.I. tuned array, while the absolute shot time was recorded at the resolution of ms. A request for ship time of R/V Uraniawas presented by IAMC, and a period of 7 days, including 2 day of transit was assigned to the project by CNR and scheduled for late November 2006. Cruise STR06 started in Naples 2006-11-27 and ended in Naples 2006-12-06. This paper reports the shipboard activities during the cruise STR06 on R/V Urania and some preliminary results regarding also the onshore activities carried out in order to perform the Stromboli geophysical experiment. A description of the ship, equipment and their usage is given thereinafter, along with details of the general settings, performances and some scientific and technical results.
    Description: Istituto di Scienze Marine, ISMAR-CNR, Bologna
    Description: Published
    Description: 3.6. Fisica del vulcanismo
    Description: 1.4. TTC - Sorveglianza sismologica delle aree vulcaniche attive
    Description: open
    Keywords: tomography ; Stromboli ; air-gun ; wide angle ; 04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropy
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: report
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  • 5
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    Il primo OBS/H italiano per il monitoraggio e lo studio di faglie e vulcani sottomarini (2008)
    Details
    Publication Date: 2017-04-04
    Description: L’Istituto Nazionale di Geofisica e Vulcanologia (INGV) ha testato con successo, nel luglio 2006, il primo Ocean Bottom Seismometer with Hydrophone (OBS/H) italiano (Fig. 1). Lo strumento, interamente progettato e realizzato all’Osservatorio di Gibilmanna del Centro Nazionale Terremoti, dopo aver superato i test in laboratorio, in camera iperbarica a 600 bar ed in mare a 3412 m di profondità, è stato deposto per 9 giorni (12-21/07/’06) sulla spianata sommitale del vulcano sottomarino Marsili a 790 m di profondità (Fig. 2) ed ha registrato 835 eventi tra cui un telesisma, 8 eventi regionali e circa 800 eventi vulcanici.La realizzazione dell’OBS/H si colloca nell’ambito dei progetti finanziati dalla convenzione tra l’INGV e il Dipartimento Nazionale della Protezione Civile (DPC), che ha avuto come obiettivo la costituzione di un primo pool strumentale, costituito da 7 OBS/H, da impiegare come rete mobile sottomarina in occasione di forti eventi sismici che dovessero interessare le coste e i mari italiani. Tale progetto si inquadra in uno scenario di ben più ampio respiro che vedrà nei prossimi anni l’estensione a mare della rete sismica nazionale, obiettivo strategico inserito nel piano triennale dell’INGV che porterà entro il 2008 alla realizzazione della prima stazione italiana real-time collegata a terra via radio, che verrà posizionata a circa 30 miglia a sud-est di Ustica, luogo in cui è stato localizzato il terremoto di Palermo del 6 settembre 2002. Il prototipo di OBS/H utilizzato nel test sul Marsili è stato equipaggiato con un sensore sismico Trillium 40s della Nanometrics ed un idrofono OAS E-2PD con banda di risposta piatta tra 0 e 5 kHz. I segnali emessi da questi strumenti sono stati registrati da un digitalizzatore a 21 bit a basso consumo (Geolon MLS della SEND) che ha acquisito i dati ad una frequenza di campionamento di 200 campioni al secondo, per sfruttare il più possibile l’ampia banda di risposta dell’idrofono, al fine di mettere in evidenza l’attività idrotermale del vulcano. Il sensore sismico è posto all’interno di una bentosfera di 17 pollici (sfera di vetro certificata per operazioni sino a 6000 m di profondità), installato su una base autolivellante controllata elettronicamente. Il digitalizzatore e le batterie sono poste all’interno di un contenitore in ERGAL 7075. Per il recupero dello strumento a fine esperimento, è stato utilizzato uno sganciatore acustico IXSEA AR816S-MR opportunamente modificato dal personale dell’osservatorio di Gibilmanna per attivare, una volta ricevuto il segnale di “release”, un sistema di sgancio elettrolitico (burn-wire). Per deposizioni di lungo periodo, sino ad uno o due anni in relazione al tipo di sismometro a bordo, l’OBS/H sarà dotato della strumentazione indicata nella Tab. 1 Attualmente è in fase di progettazione un’evoluzione dello strumento che mira a dotarlo di un digitalizzatore a 24 bit, di un sistema di comunicazione basato su modem acustico e di un PC industriale con processore ARM grazie al quale, nell’eventualità di interventi della rete mobile sottomarina, sarà possibile estrarre tracce degli eventi verificatisi per una più accurata localizzazione dell’epicentro senza che si renda necessario il recupero dello strumento. Inoltre, mediante l’implementazione di algoritmi di trigger, sarà possibile l’utilizzo dell’OBS/H all’interno di un sistema di allerta tsunami in comunicazione con una boa di superficie collegata al centro di controllo via satellite.
    Description: Published
    Description: Rome
    Description: 2.5. Laboratorio per lo sviluppo di sistemi di rilevamento sottomarini
    Description: open
    Keywords: OBS ; OBS/H ; Ocean Bottom Seismometer ; Marsili ; 04. Solid Earth::04.06. Seismology::04.06.10. Instruments and techniques
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Poster session
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  • 6
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    First long time OBS campaign in the Ionian Sea (2008)
    Details
    Publication Date: 2017-04-04
    Description: The INGV started its interest to extend the seismic monitoring network to the sea in 1995 with GEOSTAR (Geophysical and Oceanographic Station for Abyssal Research) project, coming out with the realization of the first multidisclipinary observatory for deep-sea monitoring [Favali et al. 2002]. At the end of 2004, the National Earthquake Center (CNT) of INGV decided to provide a pool of Ocean Bottom Seismometers to be employed as a submarine mobile network and to study submarine faults and volcanoes. This was possible thanks to an agreement between the INGV and the Italian National Civil Protection Department (DPC). On July 2006, the Gibilmanna OBS Lab, tested the first OBS prototype for nine days on the flat top of the Marsili submarine volcano [D’Anna et al. 2007] and in early 2007 other seven OBS’s were ready to be deployed on the seafloor. In May 2007, within the European project NERIES (activity NA6), the Gibilmanna OBS Lab of the INGV has deployed three Broad Band Ocean Bottom Seismometers (BBOBS) in the southern Ionian Sea at 3500-4000 meters of depth. This area has been chosen during the NERIES – “NA6-BBOBS net” meeting in Rome, on the 11th of September 2006 because at first, there are at the moment few seismological data [Scrocca et al., 2003] to construct a reliable model for the Ionian lithosphere and also the rate and features of the seismicity in the area between the Hyblean-Malta fault system and the accretionary prism of the Calabrian Arc are largely unknown [Catalano et al. 2002]. The Ionian Sea is indeed one of the most seismically active area in the Mediterranean region with several destructive earthquakes sometimes followed by tsunamis [Tinti et al. 2004]. The seismicity occurring in the Ionian basin is characterized by large location uncertainties due to the lack of seafloor seismic stations. In 2002, the quality of the seismic sensing and the location of earthquakes have been improved by the deployment of the real-time submarine observatory SN-1, about 25 km offshore Eastern Sicily [Sgroi et al, 2007]. However, the SN-1 location only allows to characterize the seismicity in the area offshore the eastern Sicily. Two of the three OBS’s were successfully recovered on the 2nd of February 2008; the last one was recovered on the 15th of March 2008 and another OBS was deployed on the same location to accomplish the continuous long-term seismic monitoring task (until May 2010) as planned in NERIES project.
    Description: Istituto Nazionale di Geofisica e Vulcanologia - Centro Nazionale Terremoti
    Description: Published
    Description: 2.5. Laboratorio per lo sviluppo di sistemi di rilevamento sottomarini
    Description: open
    Keywords: OBS ; Ionian Sea ; NERIES ; BBOBS ; 04. Solid Earth::04.06. Seismology::04.06.10. Instruments and techniques
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: report
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  • 7
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    Il primo OBS/H italiano per il monitoraggio e lo studio di faglie e vulcani sottomarini (2007)
    Details
    Publication Date: 2017-04-04
    Description: L’Istituto Nazionale di Geofisica e Vulcanologia (INGV) ha testato con successo, nel luglio 2006, il primo Ocean Bottom Seismometer with Hydrophone (OBS/H) italiano (Fig. 1). Lo strumento, interamente progettato e realizzato all’Osservatorio di Gibilmanna del Centro Nazionale Terremoti, dopo aver superato i test in laboratorio, in camera iperbarica a 600 bar ed in mare a 3412 m di profondità, è stato deposto per 9 giorni (12-21/07/’06) sulla spianata sommitale del vulcano sottomarino Marsili a 790 m di profondità (Fig. 2) ed ha registrato 835 eventi tra cui un telesisma, 8 eventi regionali e circa 800 eventi vulcanici.
    Description: L’Istituto Nazionale di Geofisica e Vulcanologia (INGV) ha testato con successo, nel luglio 2006, il primo Ocean Bottom Seismometer with Hydrophone (OBS/H) italiano (Fig. 1). Lo strumento, interamente progettato e realizzato all’Osservatorio di Gibilmanna del Centro Nazionale Terremoti, dopo aver superato i test in laboratorio, in camera iperbarica a 600 bar ed in mare a 3412 m di profondità, è stato deposto per 9 giorni (12-21/07/’06) sulla spianata sommitale del vulcano sottomarino Marsili a 790 m di profondità (Fig. 2) ed ha registrato 835 eventi tra cui un telesisma, 8 eventi regionali e circa 800 eventi vulcanici.
    Description: Published
    Description: 1.1. TTC - Monitoraggio sismico del territorio nazionale
    Description: open
    Keywords: monitoraggio ; vulcani ; sottomarini ; 03. Hydrosphere::03.01. General::03.01.02. Equatorial and regional oceanography
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: report
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  • 8
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    Il nuovo OBS/H dell’INGV (2009)
    Istituto Nazionale di Geofisica e Vulcanologia
    Details
    Publication Date: 2020-02-24
    Description: In 2005, thanks to the 3-year agreement between Dipartimento Nazionale della Protezione Civile (DPC) and Istituto Nazionale di Geofisica e Vulcanologia (INGV) - Centro Nazionale Terremoti (CNT), the project of the first Italian “Ocean Bottom Seismometer with Hydrophone” (OBS/H) for long-term deployment was developed at the OBS Lab of the Gibilmanna Observatory (Sicily). The drawing of the instrument started in January 2005 and, after 18 months, the prototype was ready for test in laboratory, in shallow and deep water. Afterwards, the first OBS/H was tested during an oceanographic campaign on the Marsili submarine volcano, from the 10th to the 21st of July 2006.More than 1000 events of several kinds were recorded: 817 VTB (Volcano Tectonic events, B-type), 159 HF (High Frequency events), 53 SDE (Short Duration Event), 8 regional events localized by INGV land network, 10 not localized events, 1 teleseismic event an 2 rockfall events. The INGV OBS/H are equipped with: - Nanometrics Trillium 120p seismometers (theoretical flat response between 120s and 175 Hz) installed in a 17 inches glass sphere on a Nautilus gimbal for the leveling or Guralp CMG40T-OBS (flat response between 60s and 100 Hz); - Cox-Webb Differential Pressure Gauge (bandwidth 500s-2Hz) or OAS E-2PD hydrophone (0-5kHz); - 21 bits, 4 channels SEND Geolon-MLS digitizer with sampling frequency up to 200 Hz.
    Description: Published
    Description: 2.5. Laboratorio per lo sviluppo di sistemi di rilevamento sottomarini
    Description: open
    Keywords: OBS OBS/H Marsili Ocean Bottom Seismometer ; 04. Solid Earth::04.06. Seismology::04.06.10. Instruments and techniques
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: book
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  • 9
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    Report on the gravimetric, magnetometric, bathymetric activities during Cruise PANSTR10 with R/V Urania: Panarea and Stromboli, Aeolian Islands, 2010-02-05 - 2010-02-15. (2011)
    Details
    Publication Date: 2017-04-04
    Description: We present the shipboard activities and preliminary results of Cruise PANSTR10((2010-02-05 2010-02-15)) with R/V Urania. The cruise was scheduled to acquire high resolution magnetometric and gravimetric data on the Panarea and Stromboli volcanic edifices. In addition to this, swath bathymetry and CTD casts were obtained, and five OBS were launched N of Alicudi and on the lineament Stromboli-Marsili, aiming at collecting active and passive seismological data in the Aeolian and Calabrian Arcs.
    Description: CNR-ISMAR Bologna
    Description: Published
    Description: 2.6. TTC - Laboratorio di gravimetria, magnetismo ed elettromagnetismo in aree attive
    Description: restricted
    Keywords: Gravity ; Magnetometry ; Tectonics ; Volcanism ; Aeolian Islands ; Tyrrhenian Sea ; 04. Solid Earth::04.02. Exploration geophysics::04.02.02. Gravity methods ; 04. Solid Earth::04.03. Geodesy::04.03.04. Gravity anomalies ; 04. Solid Earth::04.04. Geology::04.04.04. Marine geology ; 04. Solid Earth::04.05. Geomagnetism::04.05.04. Magnetic anomalies ; 04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: report
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  • 10
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    “Messina 1908-2008”: Progetto di ricerca integrato per l’area Calabro - Peloritana. L’esperimento di sismica passiva (2010)
    Details
    Publication Date: 2017-04-04
    Description: Il 28 dicembre 1908 un forte terremoto colpì duramente le città di Messina e di Regg io Calabria e molteplici centri abitati limitrofi. L’evento sismico di Mw=7.1 generò un maremoto e causò circa 100.000 morti. Durante il 2008 numerose sono state le iniziative per rievocare tale importante terremoto che è ricordato nella storia come il più forte avvenuto in Italia. Tra le iniziative promosse dall’Istituto Nazionale di Geofisica e Vulcanologia vi è il progetto di ricerca “Messina 1908-2008” le cui finalità sono far convergere i dati sismici e geodetici g ià a disposizione dei singoli gruppi di ricerca in un’unica banca dati e nel contempo promuoverne l’acquisizione di nuovi. In questo rapporto è descritto l’esperimento di sismica passiva integrato mare-terra iniziato ad ottobre 2007 e ter minato nel gennaio 2010 avente l’obiettivo di acquisire nuovi dati di alta qualità e dettaglio per ottenere una migliore definizione della microsismicità locale. Ciò consentirà di raggiungere una migliore comprensione di come inter ag iscano il processo di subduzione e le dinamiche superficiali nell’area dell’arco Calabro Peloritano ed in particolare nello stretto di Messina.
    Description: Istituto Nazionale di Geofisica e Vulcanologia
    Description: Published
    Description: 1.1. TTC - Monitoraggio sismico del territorio nazionale
    Description: open
    Keywords: Seismic monitoring ; Waveform archive ; Messina Strait ; 04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: report
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