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Antonio Pio Rinaldi


Last Name

Rinaldi

First Name

Antonio Pio

ORCID

0000-0001-7052-8618

Organisational unit

02818 - Schweiz. Erdbebendienst (SED) / Swiss Seismological Service (SED)

Filters

2010 - 2019582020 - 202569
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Publications 1 - 10 of 127
  • The Global DAS Month of February 2023
    Item type: Journal Article
    Wuestefeld, Andreas; Spica, Zack J.; Aderhold, Kasey; et al. (2024)
    Seismological Research Letters
    During February 2023, a total of 32 individual distributed acoustic sensing (DAS) systems acted jointly as a global seismic monitoring network. The aim of this Global DAS Month campaign was to coordinate a diverse network of organizations, instruments, and file formats to gain knowledge and move toward the next generation of earthquake monitoring networks. During this campaign, 156 earthquakes of magnitude 5 or larger were reported by the U.S. Geological Survey and contributors shared data for 60 min after each event’s origin time. Participating systems represent a variety of manufacturers, a range of recording parameters, and varying cable emplacement settings (e.g., shallow burial, borehole, subaqueous, and dark fiber). Monitored cable lengths vary between 152 and 120,129 m, with channel spacing between 1 and 49 m. The data has a total size of 6.8 TB, and are available for free download. Organizing and executing the Global DAS Month has produced a unique dataset for further exploration and highlighted areas of further development for the seismological community to address.
  • Modeling fault activation and seismicity in geologic carbon storage and shale-gas fracturing: Under what conditions could a felt seismic event be induced?
    Item type: Other Conference Item
    Rutqvist, Jonny; Rinaldi, Antonio Pio; Cappa, Frederic (2017)
    SEG Technical Program Expanded Abstracts
  • Effects of in situ stress measurement uncertainties on assessment of predicted seismic activity and risk associated with a hypothetical industrial-scale geologic CO2 sequestration operation
    Item type: Journal Article
    Jeanne, Pierre; Rutqvist, Jonny; Wainwright, Haruko M.; et al. (2016)
    Journal of Rock Mechanics and Geotechnical Engineering
    Carbon capture and storage (CCS) in geologic formations has been recognized as a promising option for reducing carbon dioxide (CO2) emissions from large stationary sources. However, the pressure buildup inside the storage formation can potentially induce slip along preexisting faults, which could lead to felt seismic ground motion and also provide pathways for brine/CO2 leakage into shallow drinking water aquifers. To assess the geomechanical stability of faults, it is of crucial importance to know the in situ state of stress. In situ stress measurements can provide some information on the stresses acting on faults but with considerable uncertainties. In this paper, we investigate how such uncertainties, as defined by the variation of stress measurements obtained within the study area, could influence the assessment of the geomechanical stability of faults and the characteristics of potential injection-induced seismic events. Our modeling study is based on a hypothetical industrial-scale carbon sequestration project assumed to be located in the Southern San Joaquin Basin in California, USA. We assess the stability on the major (25 km long) fault that bounds the sequestration site and is subjected to significant reservoir pressure changes as a result of 50 years of CO2 injection. We present a series of geomechanical simulations in which the resolved stresses on the fault were varied over ranges of values corresponding to various stress measurements performed around the study area. The simulation results are analyzed by a statistical approach. Our main results are that the variations in resolved stresses as defined by the range of stress measurements had a negligible effect on the prediction of the seismic risk (maximum magnitude), but an important effect on the timing, the seismicity rate (number of seismic events) and the location of seismic activity.
  • Modeling earthquake effects on groundwater levels: Evidences from the 2012 Emilia earthquake (Italy)
    Item type: Journal Article
    Nespoli, Massimo; Todesco, Micol; Serpelloni, Enrico; et al. (2016)
    Geofluids
  • Fault hydromechanical characterization and CO2-saturated water injection at the CS-D experiment (Mont Terri Rock Laboratory)
    Item type: Other Conference Item
    Wenning, Quinn; Rinaldi, Antonio Pio; Zappone, Alba; et al. (2020)
    EGUsphere
  • Integrating DAS into Seismic Monitoring Systems: Insights from SED and the BedrettoLab
    Item type: Other Conference Item
    Massin, Frédérick; Edme, Pascal; Clinton, John Francis; et al. (2025)
    EGUsphere
    We present our efforts to integrate Distributed Acoustic Sensing (DAS) data into the real-time seismic monitoring workflows of the Swiss Seismological Service (SED) and the Bedretto Underground Laboratory for Geosciences and Geoenergies (BedrettoLab). Spanning from regional national monitoring to fluid injection experiments at the BedrettoLab, we show how DAS can be used effectively across many orders of magnitude in temporal, spatial and amplitude resolution. Using temporary DAS deployments across Switzerland, we have incorporated DAS data into SeisComP, the existing monitoring infrastructure, to improve the accuracy and efficiency of seismic analyses. Our workflow involves spatial and temporal decimation, converting native DAS data into strain and velocity timeseries, and preparing it for seamless integration with traditional seismic data using MiniSEED and FDSN StationXML metadata. We will share examples of manual earthquake analyses, demonstrating how DAS data complements traditional seismic datasets for picking, locating, and magnitude estimation. These examples highlight how DAS can enhance event detection and characterization. In real-time, we demonstrate how DAS is combined with traditional seismic data for automated monitoring. The examples also include a case study using a 42-meter borehole section at the BedrettoLab during hydraulic stimulation for the FEAR project: a single-mode loose fibre-optic cable was interrogated and sampled at 80 cm intervals with gauge length of 4 m and 4000 samples per second, enhancing the real-time monitoring of induced microseismicity. In addition, we are investigating the instrumental noise levels in DAS strain-rate data and studying earthquake amplitude decay models to better understand DAS performance in different seismic scenarios across different scales. We discuss the challenges faced during DAS integration, the lessons learned, and future directions, including improving DAS-based workflows for real-time monitoring and exploring its potential for early earthquake warning systems.
  • Steam caps in geothermal reservoirs can be monitored using seismic noise interferometry
    Item type: Journal Article
    Sánchez Sánchez-Pastor, Maria Del Pilar; Wu, Sin-Mei; Hokstad, Ketil; et al. (2023)
    Communications Earth & Environment
    Harvesting geothermal energy often leads to a pressure drop in reservoirs, decreasing their profitability and promoting the formation of steam caps. While steam caps are valuable energy resources, they also alter the reservoir thermodynamics. Accurately measuring the steam fraction in reservoirs is essential for both operational and economic perspectives. However, steam content estimations are very limited both in space and time since current methods rely on direct measurements within production wells. Besides, these estimations normally present large uncertainties. Here, we present a pioneering method for indirectly sampling the steam content in the subsurface using the ever-present seismic background noise. We observe a consistent annual velocity drop in the Hengill geothermal field (Iceland) and establish a correlation between the velocity drop and steam buildup using in-situ borehole data. This application opens new avenues to track the evolution of any gas reservoir in the crust with a surface-based and cost-effective method.
  • Current challenges in monitoring, discrimination, and management of induced seismicity related to underground industrial activities: A European perspective
    Item type: Review Article
    Grigoli, Francesco; Cesca, Simone; Priolo, Enrico; et al. (2017)
    Reviews of Geophysics
    Due to the deep socioeconomic implications, induced seismicity is a timely and increasingly relevant topic of interest for the general public. Cases of induced seismicity have a global distribution and involve a large number of industrial operations, with many documented cases from as far back to the beginning of the twentieth century. However, the sparse and fragmented documentation available makes it difficult to have a clear picture on our understanding of the physical phenomenon and consequently in our ability to mitigate the risk associated with induced seismicity. This review presents a unified and concise summary of the still open questions related to monitoring, discrimination, and management of induced seismicity in the European context and, when possible, provides potential answers. We further discuss selected critical European cases of induced seismicity, which led to the suspension or reduction of the related industrial activities.
  • Source Characterization with DAS in Multiple-Borehole Settings: an Application from the BedrettoLab
    Item type: Other Conference Item
    Tuinstra, Katinka Barbara; Lanza, Federica; Fichtner, Andreas; et al. (2023)
    AGU Fall Meeting Abstracts
  • In-situ experiment reveals CO2 enriched fluid migration in faulted caprock
    Item type: Journal Article
    Weber, Ulrich Wolfgang; Rinaldi, Antonio Pio; Roques, Clément; et al. (2023)
    Scientific Reports
    The sealing characteristics of the geological formation located above a CO2 storage reservoir, the so-called caprock, are essential to ensure efficient geological carbon storage. If CO2 were to leak through the caprock, temporal changes in fluid geochemistry can reveal fundamental information on migration mechanisms and induced fluid–rock interactions. Here, we present the results from a unique in-situ injection experiment, where CO2-enriched fluid was continuously injected in a faulted caprock analogue. Our results show that the CO2 migration follows complex pathways within the fault structure. The joint analysis of noble gases, ion concentrations and carbon isotopes allow us to quantify mixing between injected CO2-enriched fluid and resident formation water and to describe the temporal evolution of water–rock interaction processes. The results presented here are a crucial complement to the geophysical monitoring at the fracture scale highlighting a unique migration of CO2 in fault zones.
Publications 1 - 10 of 127