EGU2021 Late-Breaking session: “The Dec. 2020 earthquake sequence in Petrinja, Croatia, and its seismotectonic and geodynamic environments”

Following the 2020-12-29 magnitude 6.4 earthquake in Croatia, a late breaking session was accepted by EGU. The session The Dec. 2020 earthquake sequence in Petrinja, Croatia, and its seismotectonic and geodynamic environments will be convened by Stéphane Baize, Sara Amoroso, Lucilla Benedetti, Petra Jamšek Rupnik, Branko Kordić, Snjezana Markušić, and Bruno Pace. The deadline for abstracts is 28 February, 2021. Abstracts need to be send to the conveners by email. You’ll find the email addresses on the session website.

Session overview

On 29/12/2020, a major earthquake (Mw 6.4) occurred in Croatia, close to Petrinja, 45 km south of Zagreb. This earthquake is the strongest event in continental Europe since the Norcia sequence (Italy) in 2016. The mainshock occurred on a NW-SE dextral strike-slip fault at the boundary between the Dinarides and the Pannonian basin ; it was preceded by two strong foreshocks (M~5) the day before. Seismic shaking was widely felt across Europe, and caused extensive damage to buildings and infrastructures in the epicentral region. The earthquake resulted in liquefaction over large areas, and many cracks and a surface rupture have been observed in the field.

This late-breaking session aims at gathering contributions to discuss the 2020 Petrinja earthquake sequence, its surface effects on human and natural environment in terms of shaking and faulting. We encourage presentations of the seismological, geodetical or geological observations related to this earthquake and the ongoing seismic sequence, as well as insights on the regional faults, their historical seismicity or recent geological activity. All this together can help in understanding the geodynamics of this seismically active but poorly characterized region.

For any abstracts, which EGU organizing committee shall upload, the following information is needed:

• Please make sure that the first author has a paid EGU membership 2021 before you send the abstract to the conveners;
• The abstract title;
• All authors, including full first names (no initials) and last names;
• All email addresses of authors (i.e. email address of each individual author);
• All affiliations of authors (i.e. university and/or institute, country);
• The abstract text;
• The billing address for invoice of the abstract processing charges.

Abstracts need to be send to the conveners by email.

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