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Minimum horizontal stress (Shmin) orientations

Layers
DATA QUALITY
A B C D E
Borehole Iconbreakout help icon
Focal Mechanism Icon focal mechanism help icon
Inversion Icon inversion help icon
Fault Icon fault help icon
Overcoring Icon overcoring help icon

TECTONIC REGIME help icon
normal faulting normal/strike
strike slip faulting
thrust faulting thrust/strike
unknown

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ABOUT IPSI

IPSI database, "Italian Present-day Stress Indicators", is a georeferenced repository of information on the crustal present-day stress field maintained at INGV. It consists of horizontal stress orientations analysed and compiled in a standardized format and quality-ranked for reliability and comparability on a global scale. Nowadays the database contains 855 data records updated to December 2015. The next update will be until December 2017 and is scheduled to be released within the first months of 2018.

IPSI collects information of the Italian contemporary stress within the upper 40 km of the Earth's crust, from different stress indicators grouped in the following main categories:

. Borehole breakouts
. Earthquake focal mechanisms
. Active fault-slip data

The dataset can be downloaded in different format.

Italian data are part of the World Stress Map

- Mariucci M.T., Montone P., 2017. IPSI 1.0, Database of Italian Present-day Stress Indicators, Istituto Nazionale di Geofisica e Vulcanologia (INGV).
doi:http://doi.org/10.6092/INGV.IT-IPSI

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CITATION

Data downloaded from IPSI 1.0 must be cited as:

- Mariucci M.T., Montone P., 2017. IPSI 1.0, Database of Italian Present-day Stress Indicators, Istituto Nazionale di Geofisica e Vulcanologia (INGV).
doi:http://doi.org/10.6092/INGV.IT-IPSI

and

- Montone P., Mariucci M.T., 2016. The new release of the Italian contemporary stress map, Geophysical Journal International, 205, 1525–1531.
doi:http://doi.org/10.1093/gji/ggw100.

The use of specific subset of data should include also the related references cited in the data tables and in the References.
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DISCLAIMER

The database IPSI provides data on the contemporary stress in Italy and it is based on the available scientific knowledge; however, due to the complex natural phenomena covered, Istituto Nazionale di Geofisica e Vulcanologia (INGV) cannot be made responsible for any incomplete or unreliable data provided or for future events that may be inferred by users on the basis of the data provided.

INGV and the IPSI authors are not responsible for the use that might be made of the data provided, nor they are responsible for any damage to third-parties caused by conclusions based on the data provided.
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ABOUT US

IPSI authors are:
Maria Teresa MariucciORCID icon and Paola MontoneORCID icon

Web application database and website development: Gabriele TarabusiORCID icon
Website design: Daniela Riposati and Gabriele TarabusiORCID icon

Our Address:
Istituto Nazionale di Geofisica e Vulcanologia
Via di Vigna Murata, 605 - 00143 Roma, Italy

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CREDITS

ENI S.p.A., ENEL S.p.A., Enterprise Oil Italiana S.p.A., are thanked for supplying well log data.

Part of data analysis has been carried out within the projects: EC project GeoModAp (contract EV5V-CT94-0464); FIRB project ‘Research and Development of New Technologies for Protection and Defense of Territory from Natural Risks’, funded by Italian Ministry of University and Research.
Part of data analysis has benefited from funding provided by the Italian Presidenza del Consiglio dei Ministri - Dipartimento della Protezione Civile (DPC). Scientific papers funded by DPC do not represent its official opinion and policies.

Italian data contribute to World Stress Map

A special thank to all people, colleagues, researchers and students that in different way helped in developing the study of contemporary stress in Italy. In particular (in alphabetic order): A. Amato, L. Amicucci, M. Cesaro, O. Heidbach, B. Müller, S. Pierdominici, S. Pondrelli, M.D. Zoback and M.L. Zoback.

IPSI logo: Daniela Riposati INGV-Laboratorio Grafica e Immagini.

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