Articles | Volume 43
https://doi.org/10.5194/adgeo-43-31-2016
https://doi.org/10.5194/adgeo-43-31-2016
09 Nov 2016
 | 09 Nov 2016

The Italian National Seismic Network and the earthquake and tsunami monitoring and surveillance systems

Alberto Michelini, Lucia Margheriti, Marco Cattaneo, Gianpaolo Cecere, Giuseppe D'Anna, Alberto Delladio, Milena Moretti, Stefano Pintore, Alessandro Amato, Alberto Basili, Andrea Bono, Paolo Casale, Peter Danecek, Martina Demartin, Licia Faenza, Valentino Lauciani, Alfonso Giovanni Mandiello, Alessandro Marchetti, Carlo Marcocci, Salvatore Mazza, Francesco Mariano Mele, Anna Nardi, Concetta Nostro, Maurizio Pignone, Matteo Quintiliani, Sandro Rao, Laura Scognamiglio, and Giulio Selvaggi

Abstract. The Istituto Nazionale di Geofisica e Vulcanologia (INGV) is an Italian research institution, with focus on Earth Sciences. INGV runs the Italian National Seismic Network (Rete Sismica Nazionale, RSN) and other networks at national scale for monitoring earthquakes and tsunami as a part of the National Civil Protection System coordinated by the Italian Department of Civil Protection (Dipartimento di Protezione Civile, DPC).

RSN is composed of about 400 stations, mainly broadband, installed in the Country and in the surrounding regions; about 110 stations feature also co-located strong motion instruments, and about 180 have GPS receivers and belong to the National GPS network (Rete Integrata Nazionale GPS, RING).

The data acquisition system was designed to accomplish, in near-real-time, automatic earthquake detection, hypocenter and magnitude determination, moment tensors, shake maps and other products of interest for DPC. Database archiving of all parametric results are closely linked to the existing procedures of the INGV seismic monitoring environment and surveillance procedures. INGV is one of the primary nodes of ORFEUS (Observatories & Research Facilities for European Seismology) EIDA (European Integrated Data Archive) for the archiving and distribution of continuous, quality checked seismic data. The strong motion network data are archived and distributed both in EIDA and in event based archives; GPS data, from the RING network are also archived, analyzed and distributed at INGV.

Overall, the Italian earthquake surveillance service provides, in quasi real-time, hypocenter parameters to the DPC. These are then revised routinely by the analysts of the Italian Seismic Bulletin (Bollettino Sismico Italiano, BSI). The results are published on the web, these are available to both the scientific community and the general public. The INGV surveillance includes a pre-operational tsunami alert service since INGV is one of the Tsunami Service providers of the North-eastern Atlantic and Mediterranean Tsunami warning System (NEAMTWS).

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Short summary
The Istituto Nazionale di Geofisica e Vulcanologia runs the Italian National Seismic Network (about 400 stations, seismometers, accelerometers and GPS antennas) and other networks at national scale for monitoring earthquakes and tsunami as a part of the National Civil Protection System coordinated by the Italian Department of Civil Protection. This work summarises the acquisition and the distribution of the data and the analysis that are carried out for seismic surveillance and tsunami alert.