Earthquake Atlas of Greece being created by scientists of the NRCS

Seismotectonic aims to correlate earthquakes, active cracks and deformation of the Earth’s crust, thereby contributing to the assessment of seismic hazard and consequently seismic hazard. The first “Seismotectonic Map of Greece” was published by the Institute of Geological and Mining Research (IGME) in 1989, combining tectonic geology and seismicity on a scale of 1: 500,000.

“But ever since,” as stated by the Athens and Macedonian News Agency, the project coordinator John Kassaras, assistant professor of the Department of Geophysics and Geothermal, Department of Geology and Geophysics, has nationally, given the development of digital technology, satellite applications, the most sophisticated methodologies, a multitude of computing tools, and the availability of high volume and high resolution EIAs instrumental observations. “

In addition, he said, various natural phenomena, such as the earthquakes of Kozani (1995), Athens (1999) and Andravida (2008), as well as further research into seemingly earthquake-prone areas (eg Evros), “highlighted areas increased seismic hazards, which were not known in the recent past, while new critical infrastructure has been constructed and others are under construction or planned based on general seismic hazard estimates of the past 15 years. “

The “Seismotectonic Atlas of Greece” is a spatial mapping application of the potential of soil deformation in Greece, incorporating state-of-the-art methodologies, up-to-date and reliable geospatial data. For the construction of the Atlas, the most recent geological, tectonic, seismological, geophysical and geodetic elements are combined, which are projected on backgrounds, including satellite imagery, political maps, and critical infrastructure maps.

Geospatial data comes from the personal archives of members of the research team, international organizations and databases, scientific agencies and publications in valid scientific journals. “The main focus of the effort is the homogenization and rigorous evaluation of these data. All of the above is the innovation of the venture, “says Kassaras.

The mapping of data is done through free software (QGIS, GMT) and subscription (ArcGIS, WebGIS). MATLAB and ObsPy software are used to process large volumes of vector data. The overall scale of Atlanta is 1: 500,000, with the possibility of focusing on sub-regions based on the detail provided by geospatial data, which are projected as separate thematic levels. “The new Atlas will be of practical use to geoscientists, civil engineers and government agencies responsible for infrastructure security and the management and management of earthquake disasters and crises,” Kassaras said.

The future goal of scientists is to create simplified educational publications accessible to upper secondary students, higher education students and ordinary citizens. Atlas is a dynamic scientific activity, meaning that the research team is constantly updating and revising the database.

The implementer of the project is the Department of Geophysics-Geothermal of the Department of Geology and Geoenvironment of the National Environmental Protection Agency. The first edition of Atlanta (v1.0) will be presented at the European Geophysical Union (EGU) Conference in May 2020.

Source –  kathimerini.gr

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