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Ionospheric disturbances before and after the january 14, 2018 earthquake in Peru

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dc.contributor.author Sotomayor Beltran, Carlos
dc.date.accessioned 2019-08-01T02:54:21Z
dc.date.available 2019-08-01T02:54:21Z
dc.date.issued 2019
dc.identifier.citation Sotomayor Beltran, C. (2019). Ionospheric disturbances before and after the january 14, 2018 earthquake in Peru. Acta Geodynamica et Geromaterialia, 16(1), 5-10. en_PE
dc.identifier.issn 1214-9705
dc.identifier.uri http://repositorio.uch.edu.pe/handle/uch/293
dc.identifier.uri http://doi.org/10.13168/AGG.2019.0001
dc.identifier.uri https://www.irsm.cas.cz/index_en.php?page=acta_detail_doi&id=280
dc.description.abstract An earthquake of Mw 7.1 occurred on January 14, 2018 in the southern coast of Peru. In this study, public available Global Ionospheric Maps (GIMs) provided by the Center for Orbit Determination in Europe (CODE) were used to look for ionospheric disturbances pre- and postearthquake. Twelve days before the seismic event, a positive anomaly was detected at low latitudes in the northern hemisphere in differential vertical total electron content maps. Moreover, given the low-latitude nature of this incident, changes in the shape of the Equatorial Ionization Anomaly (EIA) were analyzed as well. A significant amplification of the northern crest in the EIA of 33.3 % was also observed 12 days before the earthquake. Because the geomagnetic and solar conditions for January 2, 2018 were very quiet and also knowing that natural ground radioactivity produced by the earthquake's preparation can increase the total electron density in the EIA, it is considered that this ionospheric disturbance is product of the earthquake's preparation. Additionally, the detection of a negative ionospheric anomaly 2 days after the incident is reported. An association to the earthquake of this negative disturbance is hinted at, due to the also the rather quiet geomagnetic and solar conditions after the seismic occurrence. en
dc.format application/pdf
dc.language.iso eng
dc.publisher Academy of Sciences of the Czech Republic en_PE
dc.relation info:eu-repo/semantics/article
dc.relation.isPartOf Acta Geodynamica et Geomaterialia
dc.rights info:eu-repo/semantics/openAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/3.0/deed.en
dc.source Repositorio Institucional - UCH en_PE
dc.source Universidad de Ciencias y Humanidades en_PE
dc.subject Earthquakes en
dc.subject Ionosphere en
dc.subject Ionospheric anomalies en
dc.title Ionospheric disturbances before and after the january 14, 2018 earthquake in Peru en_PE
dc.type info:eu-repo/semantics/article
dc.identifier.doi 10.13168/AGG.2019.0001 en_PE
dc.identifier.journal Acta Geodynamica et Geomaterialia en_PE
dc.identifier.scopus 2-s2.0-85065779784


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