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The use of geomagnetic measurements to study local tectonics : case for the NE part of the Adria-Eurasia collisional zone
Pavlovčič Prešeren, Polona (Avtor), Čop, Rudi (Avtor), Kuhar, Miran (Avtor)

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Izvleček
Determination of the correlation between the energy-density changes in geomagnetic field and seismic events is a challenging scientific topic that al-lows the study of local tectonics using magnetometers. The magnetised prop-erties of the crustal field of the Earth change due to natural sources and/or human activities that affect the environment. The latter can be avoided by setting up observatories in geomagnetically-quiet locations, while the natu-ral sources, which describe the combined effects due to changes in the core, lithosphere, external or electromagnetically induced field, cannot be easily eliminated. This research focused on the investigation of local changes in the geomagnetic field in relation to evidently significant local tectonics in the vi-cinity of the PIA (Piran, Slovenia) geomagnetic observatory. It is obvious that geomagnetic measurements from PIA contain much higher levels of noise compared to the surrounding magnetometers in Italy and Croatia. According to previous geodynamic studies, the position of the PIA observatory is specif-ic, since it is located at an Adriatic microplate that collides under the Eurasian plate. At this point it can be assumed that the reason for high-level noise in geomagnetic observations is due to the still ongoing Adria-Eurasia collisional process. Furthermore, the study of the earthquake on 1 November 2015 with a magnitude of 4.2 and its epicentre 150 km from PIA showed the correlation between higher energy density of the Earths magnetic field and the earth-quake occurrence. From the results acquired by the computational strategy described in the research, it is obvious that, as expected, a few days prior and after the earthquake higher Earths magnetic field indicated some significant changes in the local geomagnetic field that might occur due to the increased stress in the Earths crust in the north-eastern part of the Adria-Eurasia colli-sional zone.

Jezik:Angleški jezik
Ključne besede:geomagnetic field, Adria-Eurasia collisional zone, PIA observatory, earthquake
Vrsta gradiva:Znanstveno delo (r2)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FGG - Fakulteta za gradbeništvo in geodezijo
Leto izida:2020
Št. strani:Str. 83-99
Številčenje:Letn. 9, št. 2
UDK:528:55
ISSN pri članku:2169-9631
DOI:10.4236/ojer.2020.92006 Povezava se odpre v novem oknu
COBISS.SI-ID:9110625 Povezava se odpre v novem oknu
Število ogledov:205
Število prenosov:125
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
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Gradivo je del revije

Naslov:Open journal of earthquake research
Skrajšan naslov:Open j. earthq. res.
Založnik:Scientific Research Publishing
ISSN:2169-9631
COBISS.SI-ID:522756121 Povezava se odpre v novem oknu

Licence

Licenca:CC BY-NC-ND 4.0, Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by-nc-nd/4.0/deed.sl
Opis:Najbolj omejujoča licenca Creative Commons. Uporabniki lahko prenesejo in delijo delo v nekomercialne namene in ga ne smejo uporabiti za nobene druge namene.
Začetek licenciranja:08.04.2020

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:geomagnetno polje, Jadransko-Evroazijska kolizijska cona, observatorij PIA, potres

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