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Stefano Parolai, 52, director of the Trieste Ogs seismological research center, the National Institute of Oceanography and Experimental Geophysics. What’s going on? Meanwhile, the 6.4 magnitude earthquake in Croatia occurred in an area recognized as seismic that has also produced important events in the past ”. In the last year: Albania, Greece, Turkey. “We are much further north here. The connection is undoubtedly the tectonic structure of the Mediterranean area, nothing more can be said. They are all events that take place …
Stefano Parolai, 52, director of the Trieste Ogs seismological research center, the National Institute of Oceanography and Experimental Geophysics. What’s going on?
“Meanwhile the earthquake in Croatia of magnitude 6.4 it happened in an area recognized as seismic that also gave rise to important events in the past ”.
In the last year: Albania, Greece, Turkey.
“We are much further north here. The connection is undoubtedly the tectonic structure of the Mediterranean area, we cannot say anything more. They are all events that take place in contact areas between the plates. But we cannot affirm that there is a causal relationship. and effect “.
But can we say that the earthquake in Croatia caused the one in Veronese?
“It is premature to come to a conclusion. This area is also seismic. We know that there have been strong events in the past. At this time we cannot say that there is a direct correlation.”
Perform seismic monitoring in Northeast Italy and collaborate with Croatia and Slovenia. The Balkans keep dancing. You cannot ask a seismologist what to expect, but certainly what it means.
“Throughout the area there is a continuous movement of tectonic plates. Stress builds up and then is released over time even through earthquakes.”
Geologically, Croatia and Veronese are two different structures?
Surely they are located in different areas also from the tectonic point of view, and the mechanism that determines the rupture of the earthquake is not exactly the same ”.
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Does the Adriatic plate also affect the Veronese area?
“He is concerned about its interaction with the Eurasian plate in the Alpine zone. The system is however very complex. Let’s say that the entire Mediterranean area is made up of different plates with complicated dynamics, the interaction generates seismicity.”
There are many open fronts.
“We are in a very complex tectonic situation, which passes from the Apennines, to the Alpine and to the Balkan. They are all connected to each other.
Looking at the Italian past: Assisi and Colfiorito in 1997, L’Aquila in 2009, Amatrice and Norcia were missing in the middle, which arrived in 2016. So the gaps are always filled, sooner or later?
“Just look at the maps of the seismic hazard, which are also built taking into account the knowledge of the past.”
We need a long-term study.
“For the Balkans we think of Zagreb 1880, of magnitude 6.3. We cannot say exactly when and where earthquakes occur. But we know that these events can repeat themselves.”
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