Journal cover Journal topic
Annales Geophysicae Sun, Earth, planets, and planetary systems An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/angeo-2018-11
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Regular paper
16 Feb 2018
Monitoring potential ionosphere changes caused by Van earthquake (Mw 7.2) using GNSS measurements
Selcuk Peker1, Samed Inyurt2, and Cetin Mekik2 1General Command of Mapping, Ankara, Turkey
2Bulent Ecevit University, Geomatics Engineering Department, Zonguldak
Abstract. Several scientists from different disciplines have studied earthquakes for many years. As a result of these studies, it has been proposed that some changes take place in the ionosphere layer before, during or after earthquakes, and the ionosphere should be monitored in earthquake prediction studies. This study investigates the changes in the ionosphere created by the earthquake with magnitude of Mw=7.2 in the northwest of the Lake Erçek which is located to the north of the province of Van in Turkey on 23 October 2011 and at 1.41 pm local time (−3 UT) with the epicenter of 38.758° N, 43.360° E using the TEC values obtained by the Global Ionosphere Models (GIM) created by IONOLAB-TEC and CODE. In order to see whether the ionospheric changes obtained by the study in question were caused by the earthquake or not, the ionospheric conditions were studied by utilizing indices providing information on solar and geomagnetic activities (F10.7 cm, Kp, Dst). As a result of the statistical test on the TEC values obtained from the both models, positive and negative anomalies were obtained for the times before, on the day of and after the earthquake, and the reasons for these anomalies are discussed in detail in the last section of the study. As the ionospheric conditions in the analyzed days were highly vibrant, it was thought that the anomalies were caused by geomagnetic effects, solar activity and the earthquake. The authors believe that interdisciplinary studies are needed to distinguish the earthquake-related part of the anomalies in question.
The discussion paper was formally withdrawn.

Citation: Peker, S., Inyurt, S., and Mekik, C.: Monitoring potential ionosphere changes caused by Van earthquake (Mw 7.2) using GNSS measurements, Ann. Geophys. Discuss., https://doi.org/10.5194/angeo-2018-11, 2018.
Selcuk Peker et al.
Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version      Supplement - Supplement
 
RC1: 'seismo-ionospheric phenomena', Anonymous Referee #1, 20 Mar 2018 Printer-friendly Version 
AC1: 'ANSWER TO REFEREE COMMENTS', Samed İnyurt, 20 Mar 2018 Printer-friendly Version Supplement 
 
RC2: 'Interactive Comment', Anonymous Referee #2, 26 Mar 2018 Printer-friendly Version 
AC2: 'ANSWER TO REFEREE 2 COMMENTS', Samed İnyurt, 26 Mar 2018 Printer-friendly Version 
Selcuk Peker et al.
Selcuk Peker et al.

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