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Monitoring crustal stress state frOm 4D sEismic iMaging

Project description

Open-source software for volcano monitoring

Tectonically active regions, such as volcanic regions, undergo changing stress conditions that can be monitored through isotropic and anisotropic elastic properties. The ERC StG NEWTON team is developing a 4D seismic imaging technique to automatically detect crustal changes linked to stress states. Tests using data from the Etna volcanic field have shown that this technique can identify variations in seismic anisotropy before eruptions and earthquakes. In this context, the ERC-funded MODEM project will develop open-source software for volcano observatories to monitor crustal structures and stress states in volcanic fields. The software will be validated at Mount Etna before being distributed to other observatories. Additionally, the project aims to commercialise the technology, targeting oil and geothermal companies.

Objective

Tectonically active crustal settings such as volcanic fields and seismogenic fault systems are characterized by evolving stress critical conditions that can be detected by continuously measuring isotropic and, more importantly, anisotropic elastic properties. This is because these observables are strongly sensitive to the opening of fractures and to the infiltration and migration of magma and crustal fluids, which are more prominent before major volcanic eruptions and earthquakes. With this respect, the team members of the ERC StG 758199 NEWTON are currently finalizing a novel 4D seismic imaging technique that allows the automatic detection of relevant changes in the crustal isotropic and anisotropic structural patterns and, by inference, of the crustal stress state. The new seismic inversion strategy has been tested with synthetic and real seismic datasets from the Etna volcanic field, with results indicating that it can detect robust changes in seismic anisotropy related to variations in the crustal stress state preceding volcanic eruptions and local earthquakes.
Given the current limited capacity to determine the evolving plumbing system dynamics (which, in turn, hampers the forecasting of major paroxysmal events), the activities of MODEM will focus on the development and distribution to volcano observatories of an open-source software which will include the novel methodology for monitoring the crustal structure and stress state evolution in volcanic fields. The software will be firstly validated and integrated with the monitoring apparatus of the Etna volcano, and subsequently disseminated over other European and international volcano observatories.
As the monitoring system can be applied to any crustal setting, our future goal is to commercialize the software providing a service to oil and geothermal companies interested in characterizing time-dependent fracturing patterns and fluid/brine/oil distribution in economically sensitive fields.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC-POC - HORIZON ERC Proof of Concept Grants

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Call for proposal

(opens in new window) ERC-2024-POC

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Host institution

UNIVERSITA DEGLI STUDI DI PADOVA
Net EU contribution
€ 150 000,00
Address
VIA 8 FEBBRAIO 2
35122 Padova
Italy
Region
Nord-Est Veneto Padova
Activity type
Higher or Secondary Education Establishments
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Total cost
No data

Beneficiaries (1)